From 99827d10a825d94b93619988a9b0b25a4ed01d95 Mon Sep 17 00:00:00 2001
From: Alexander Udalov <Alexander.Udalov@jetbrains.com>
Date: Tue, 22 Jan 2013 21:22:06 +0400
Subject: [PATCH] Rename *.jet -> *.kt in codegen tests

---
 .../jet/compiler/android/SpecialFiles.java    | 44 +++++------
 .../testData/codegen/{PSVM.jet => PSVM.kt}    |  0
 .../codegen/{assign.jet => assign.kt}         |  0
 .../codegen/{bottles.jet => bottles.kt}       |  0
 .../codegen/{bottles2.jet => bottles2.kt}     |  0
 .../codegen/{bridge.jet => bridge.kt}         |  0
 .../codegen/{checkCast.jet => checkCast.kt}   |  0
 .../{classObject.jet => classObject.kt}       |  0
 ...bjectInTrait.jet => classObjectInTrait.kt} |  0
 ...tInterface.jet => classObjectInterface.kt} |  0
 ...sObjectMethod.jet => classObjectMethod.kt} |  0
 ...hParameter.jet => closureWithParameter.kt} |  0
 ...g.jet => closureWithParameterAndBoxing.kt} |  0
 ...dInheritance.jet => diamondInheritance.kt} |  0
 ...ble.jet => doubleEnclosedLocalVariable.kt} |  0
 ...Variable.jet => enclosingLocalVariable.kt} |  0
 .../{enclosingThis.jet => enclosingThis.kt}   |  0
 ...onstructor.jet => exceptionConstructor.kt} |  0
 ...tensionClosure.jet => extensionClosure.kt} |  0
 .../{funDelegation.jet => funDelegation.kt}   |  0
 .../{inheritance.jet => inheritance.kt}       |  0
 ...dInnerClass.jet => inheritedInnerClass.kt} |  0
 ...inheritedMethod.jet => inheritedMethod.kt} |  0
 ...rayList.jet => inheritingFromArrayList.kt} |  0
 ...itializerBlock.jet => initializerBlock.kt} |  0
 ...lockDImpl.jet => initializerBlockDImpl.kt} |  0
 .../classes/{innerClass.jet => innerClass.kt} |  0
 ...r.jet => newInstanceDefaultConstructor.kt} |  0
 .../{nonnullarray.jet => nonnullarray.kt}     |  0
 .../classes/{outerThis.jet => outerThis.kt}   |  0
 ...Operator.jet => overloadBinaryOperator.kt} |  0
 ...adPlusAssign.jet => overloadPlusAssign.kt} |  0
 ...Assign.jet => overloadPlusAssignReturn.kt} |  0
 ...Return.jet => overloadPlusToPlusAssign.kt} |  0
 ...yOperator.jet => overloadUnaryOperator.kt} |  0
 ...tyDelegation.jet => propertyDelegation.kt} |  0
 ...itializer.jet => propertyInInitializer.kt} |  0
 .../{resolveOrder.jet => resolveOrder.kt}     |  0
 ...tHandOverride.jet => rightHandOverride.kt} |  0
 .../classes/{simpleBox.jet => simpleBox.kt}   |  0
 .../{simpleClass.jet => simpleClass.kt}       |  0
 ...simplestClosure.jet => simplestClosure.kt} |  0
 ...Boxing.jet => simplestClosureAndBoxing.kt} |  0
 .../controlStructures/{break.jet => break.kt} |  0
 .../{continue.jet => continue.kt}             |  0
 .../{doWhile.jet => doWhile.kt}               |  0
 .../controlStructures/{for.jet => for.kt}     |  0
 .../{forInArray.jet => forInArray.kt}         |  0
 .../{forIntArray.jet => forIntArray.kt}       |  0
 .../{forIntRange.jet => forIntRange.kt}       |  0
 ...bleIntArray.jet => forNullableIntArray.kt} |  0
 ...veIntArray.jet => forPrimitiveIntArray.kt} |  0
 .../{forUserType.jet => forUserType.kt}       |  0
 .../controlStructures/{if.jet => if.kt}       |  0
 .../{ifBlock.jet => ifBlock.kt}               |  0
 .../{ifInWhile.jet => ifInWhile.kt}           |  0
 .../{ifNoElse.jet => ifNoElse.kt}             |  0
 ...sInWhen.jet => inRangeConditionsInWhen.kt} |  0
 .../{longRange.jet => longRange.kt}           |  0
 .../{quicksort.jet => quicksort.kt}           |  0
 .../{singleBranchIf.jet => singleBranchIf.kt} |  0
 .../controlStructures/{sync.jet => sync.kt}   |  0
 .../{tryCatch.jet => tryCatch.kt}             |  0
 .../{tryFinally.jet => tryFinally.kt}         |  0
 .../controlStructures/{while.jet => while.kt} |  0
 .../{generic.jet => generic.kt}               |  0
 .../{simple.jet => simple.kt}                 |  0
 .../{virtual.jet => virtual.kt}               |  0
 .../{whenFail.jet => whenFail.kt}             |  0
 .../{functionCall.jet => functionCall.kt}     |  0
 .../{defaultargs.jet => defaultargs.kt}       |  0
 .../{defaultargs1.jet => defaultargs1.kt}     |  0
 .../{defaultargs2.jet => defaultargs2.kt}     |  0
 .../{defaultargs3.jet => defaultargs3.kt}     |  0
 .../{defaultargs4.jet => defaultargs4.kt}     |  0
 .../{defaultargs5.jet => defaultargs5.kt}     |  0
 ...onExpression.jet => functionExpression.kt} |  0
 .../functions/{namedargs.jet => namedargs.kt} |  0
 ...nothisnoclosure.jet => nothisnoclosure.kt} |  0
 .../{withtypeparams.jet => withtypeparams.kt} |  0
 .../codegen/{helloWorld.jet => helloWorld.kt} |  0
 ...ementProperty.jet => incrementProperty.kt} |  0
 .../{localProperty.jet => localProperty.kt}   |  0
 ...s.jet => multilineStringsWithTemplates.kt} |  0
 ...Method.jet => namespaceQualifiedMethod.kt} |  0
 ....jet => newInstanceExplicitConstructor.kt} |  0
 ...assObject.jet => importFromClassObject.kt} |  0
 .../{methodOnObject.jet => methodOnObject.kt} |  0
 .../{objectLiteral.jet => objectLiteral.kt}   |  0
 ...nClosure.jet => objectLiteralInClosure.kt} |  0
 .../{simpleObject.jet => simpleObject.kt}     |  0
 .../{callProperty.jet => callProperty.kt}     |  0
 .../{constant.jet => constant.kt}             |  0
 ...ionOnNoMatch.jet => exceptionOnNoMatch.kt} |  0
 .../{inrange.jet => inrange.kt}               |  0
 .../codegen/patternMatching/{is.jet => is.kt} |  0
 .../{longInRange.jet => longInRange.kt}       |  0
 .../{pattern.jet => pattern.kt}               |  0
 .../patternMatching/{range.jet => range.kt}   |  0
 .../{rangeChar.jet => rangeChar.kt}           |  0
 ...pertyAccess.jet => fieldPropertyAccess.kt} |  0
 .../{fieldSetter.jet => fieldSetter.kt}       |  0
 ...dSetterPlusEq.jet => fieldSetterPlusEq.kt} |  0
 .../{privateVal.jet => privateVal.kt}         |  0
 .../{privateVar.jet => privateVar.kt}         |  0
 ...OnStack.jet => propertyReceiverOnStack.kt} |  0
 .../codegen/{rawStrings.jet => rawStrings.kt} |  0
 .../regressions/{ea35963.jet => ea35963.kt}   |  0
 .../regressions/{kt1572.jet => kt1572.kt}     |  0
 .../regressions/{kt232.jet => kt232.kt}       |  0
 .../regressions/{kt237.jet => kt237.kt}       |  0
 .../regressions/{kt238.jet => kt238.kt}       |  0
 .../regressions/{kt239.jet => kt239.kt}       |  0
 .../regressions/{kt242.jet => kt242.kt}       |  0
 .../regressions/{kt243.jet => kt243.kt}       |  0
 .../regressions/{kt245.jet => kt245.kt}       |  0
 .../regressions/{kt247.jet => kt247.kt}       |  0
 .../regressions/{kt248.jet => kt248.kt}       |  0
 .../regressions/{kt249.jet => kt249.kt}       |  0
 .../regressions/{kt257.jet => kt257.kt}       |  0
 .../regressions/{kt259.jet => kt259.kt}       |  0
 .../regressions/{kt285.jet => kt285.kt}       |  0
 .../regressions/{kt297.jet => kt297.kt}       |  0
 .../regressions/{kt299.jet => kt299.kt}       |  0
 .../regressions/{kt326.jet => kt326.kt}       |  0
 .../codegen/regressions/{kt33.jet => kt33.kt} |  0
 .../regressions/{kt343.jet => kt343.kt}       |  0
 .../regressions/{kt344.jet => kt344.kt}       |  0
 .../regressions/{kt395.jet => kt395.kt}       |  0
 .../regressions/{kt416.jet => kt416.kt}       |  0
 .../regressions/{kt434.jet => kt434.kt}       |  0
 .../regressions/{kt446.jet => kt446.kt}       |  0
 .../regressions/{kt475.jet => kt475.kt}       |  0
 .../codegen/regressions/{kt48.jet => kt48.kt} |  0
 .../regressions/{kt496.jet => kt496.kt}       |  0
 .../regressions/{kt500.jet => kt500.kt}       |  0
 .../regressions/{kt501.jet => kt501.kt}       |  0
 .../regressions/{kt503.jet => kt503.kt}       |  0
 .../regressions/{kt504.jet => kt504.kt}       |  0
 .../regressions/{kt508.jet => kt508.kt}       |  0
 .../regressions/{kt511.jet => kt511.kt}       |  0
 .../regressions/{kt513.jet => kt513.kt}       |  0
 .../regressions/{kt518.jet => kt518.kt}       |  0
 .../regressions/{kt535.jet => kt535.kt}       |  0
 .../regressions/{kt560.jet => kt560.kt}       |  0
 .../regressions/{kt581.jet => kt581.kt}       |  0
 .../regressions/{kt594.jet => kt594.kt}       |  0
 .../regressions/{kt602.jet => kt602.kt}       |  0
 .../regressions/{kt613.jet => kt613.kt}       |  0
 .../regressions/{kt640.jet => kt640.kt}       |  0
 .../regressions/{kt684.jet => kt684.kt}       |  0
 .../regressions/{kt707.jet => kt707.kt}       |  0
 .../regressions/{kt752.jet => kt752.kt}       |  0
 .../regressions/{kt753.jet => kt753.kt}       |  0
 .../regressions/{kt756.jet => kt756.kt}       |  0
 .../regressions/{kt757.jet => kt757.kt}       |  0
 .../regressions/{kt769.jet => kt769.kt}       |  0
 .../regressions/{kt773.jet => kt772.kt}       |  0
 .../regressions/{kt772.jet => kt773.kt}       |  0
 .../regressions/{kt779.jet => kt779.kt}       |  0
 .../regressions/{kt785.jet => kt785.kt}       |  0
 .../regressions/{kt789.jet => kt789.kt}       |  0
 .../{kt796_797.jet => kt796_797.kt}           |  0
 .../regressions/{kt799.jet => kt799.kt}       |  0
 .../regressions/{kt864.jet => kt864.kt}       |  0
 .../regressions/{kt865.jet => kt865.kt}       |  0
 .../regressions/{kt870.jet => kt870.kt}       |  0
 .../regressions/{kt877.jet => kt877.kt}       |  0
 .../regressions/{kt881.jet => kt881.kt}       |  0
 .../regressions/{kt882.jet => kt882.kt}       |  0
 .../regressions/{kt887.jet => kt887.kt}       |  0
 .../regressions/{kt889.jet => kt889.kt}       |  0
 .../regressions/{kt894.jet => kt894.kt}       |  0
 .../regressions/{kt903.jet => kt903.kt}       |  0
 .../regressions/{kt945.jet => kt945.kt}       |  0
 .../regressions/{kt950.jet => kt950.kt}       |  0
 .../regressions/{kt958.jet => kt958.kt}       |  0
 ...uperClass.jet => basicmethodSuperClass.kt} |  0
 ...uperTrait.jet => basicmethodSuperTrait.kt} |  0
 .../{basicproperty.jet => basicproperty.kt}   |  0
 .../super/{enclosedFun.jet => enclosedFun.kt} |  0
 .../super/{enclosedVar.jet => enclosedVar.kt} |  0
 .../{traitproperty.jet => traitproperty.kt}   |  0
 .../codegen/{systemOut.jet => systemOut.kt}   |  0
 .../{finalMethod.jet => finalMethod.kt}       |  0
 .../{inheritedFun.jet => inheritedFun.kt}     |  0
 .../{inheritedVar.jet => inheritedVar.kt}     |  0
 .../traits/{multiple.jet => multiple.kt}      |  0
 .../codegen/traits/{simple.jet => simple.kt}  |  0
 .../codegen/traits/{stdlib.jet => stdlib.kt}  |  0
 .../{withRequired.jet => withRequired.kt}     |  0
 ...CastException.jet => typeCastException.kt} |  0
 .../typeInfo/{asInLoop.jet => asInLoop.kt}    |  0
 ...WithGenerics.jet => asSafeWithGenerics.kt} |  0
 ...nTypeInfo.jet => classObjectInTypeInfo.kt} |  0
 ...eParameter.jet => forwardTypeParameter.kt} |  0
 ...genericFunction.jet => genericFunction.kt} |  0
 .../{getTypeInfo.jet => getTypeInfo.kt}       |  0
 .../{inheritance.jet => inheritance.kt}       |  0
 .../codegen/typeInfo/{inner.jet => inner.kt}  |  0
 ...isTypeParameter.jet => isTypeParameter.kt} |  0
 ...ameters.jet => isWithGenericParameters.kt} |  0
 .../{isWithGenerics.jet => isWithGenerics.kt} |  0
 .../{nullability.jet => nullability.kt}       |  0
 .../{oneArgTypeinfo.jet => oneArgTypeinfo.kt} |  0
 ...itiveTypeInfo.jet => primitiveTypeInfo.kt} |  0
 .../jetbrains/jet/codegen/ArrayGenTest.java   | 18 ++---
 .../jet/codegen/BridgeMethodGenTest.java      |  2 +-
 .../jetbrains/jet/codegen/ClassGenTest.java   | 76 +++++++++----------
 .../jet/codegen/ClosuresGenTest.java          | 16 ++--
 .../jet/codegen/CodegenTestCase.java          |  2 +-
 .../jet/codegen/ControlStructuresTest.java    | 46 +++++------
 .../jet/codegen/ExtensionFunctionsTest.java   |  6 +-
 .../jet/codegen/FunctionGenTest.java          | 20 ++---
 .../jet/codegen/NamespaceGenTest.java         | 22 +++---
 .../jetbrains/jet/codegen/ObjectGenTest.java  | 14 ++--
 .../jet/codegen/PatternMatchingTest.java      |  6 +-
 .../jet/codegen/PrimitiveTypesTest.java       | 34 ++++-----
 .../jet/codegen/PropertyGenTest.java          |  6 +-
 .../jetbrains/jet/codegen/SafeRefTest.java    |  8 +-
 .../org/jetbrains/jet/codegen/StdlibTest.java |  8 +-
 .../jetbrains/jet/codegen/StringsTest.java    | 10 +--
 .../jetbrains/jet/codegen/SuperGenTest.java   | 12 +--
 .../org/jetbrains/jet/codegen/TraitsTest.java | 14 ++--
 .../jetbrains/jet/codegen/TypeInfoTest.java   | 18 ++---
 .../org/jetbrains/jet/codegen/VarArgTest.java |  4 +-
 226 files changed, 193 insertions(+), 193 deletions(-)
 rename compiler/testData/codegen/{PSVM.jet => PSVM.kt} (100%)
 rename compiler/testData/codegen/{assign.jet => assign.kt} (100%)
 rename compiler/testData/codegen/{bottles.jet => bottles.kt} (100%)
 rename compiler/testData/codegen/{bottles2.jet => bottles2.kt} (100%)
 rename compiler/testData/codegen/{bridge.jet => bridge.kt} (100%)
 rename compiler/testData/codegen/{checkCast.jet => checkCast.kt} (100%)
 rename compiler/testData/codegen/classes/{classObject.jet => classObject.kt} (100%)
 rename compiler/testData/codegen/classes/{classObjectInTrait.jet => classObjectInTrait.kt} (100%)
 rename compiler/testData/codegen/classes/{classObjectInterface.jet => classObjectInterface.kt} (100%)
 rename compiler/testData/codegen/classes/{classObjectMethod.jet => classObjectMethod.kt} (100%)
 rename compiler/testData/codegen/classes/{closureWithParameter.jet => closureWithParameter.kt} (100%)
 rename compiler/testData/codegen/classes/{closureWithParameterAndBoxing.jet => closureWithParameterAndBoxing.kt} (100%)
 rename compiler/testData/codegen/classes/{diamondInheritance.jet => diamondInheritance.kt} (100%)
 rename compiler/testData/codegen/classes/{doubleEnclosedLocalVariable.jet => doubleEnclosedLocalVariable.kt} (100%)
 rename compiler/testData/codegen/classes/{enclosingLocalVariable.jet => enclosingLocalVariable.kt} (100%)
 rename compiler/testData/codegen/classes/{enclosingThis.jet => enclosingThis.kt} (100%)
 rename compiler/testData/codegen/classes/{exceptionConstructor.jet => exceptionConstructor.kt} (100%)
 rename compiler/testData/codegen/classes/{extensionClosure.jet => extensionClosure.kt} (100%)
 rename compiler/testData/codegen/classes/{funDelegation.jet => funDelegation.kt} (100%)
 rename compiler/testData/codegen/classes/{inheritance.jet => inheritance.kt} (100%)
 rename compiler/testData/codegen/classes/{inheritedInnerClass.jet => inheritedInnerClass.kt} (100%)
 rename compiler/testData/codegen/classes/{inheritedMethod.jet => inheritedMethod.kt} (100%)
 rename compiler/testData/codegen/classes/{inheritingFromArrayList.jet => inheritingFromArrayList.kt} (100%)
 rename compiler/testData/codegen/classes/{initializerBlock.jet => initializerBlock.kt} (100%)
 rename compiler/testData/codegen/classes/{initializerBlockDImpl.jet => initializerBlockDImpl.kt} (100%)
 rename compiler/testData/codegen/classes/{innerClass.jet => innerClass.kt} (100%)
 rename compiler/testData/codegen/classes/{newInstanceDefaultConstructor.jet => newInstanceDefaultConstructor.kt} (100%)
 rename compiler/testData/codegen/classes/{nonnullarray.jet => nonnullarray.kt} (100%)
 rename compiler/testData/codegen/classes/{outerThis.jet => outerThis.kt} (100%)
 rename compiler/testData/codegen/classes/{overloadBinaryOperator.jet => overloadBinaryOperator.kt} (100%)
 rename compiler/testData/codegen/classes/{overloadPlusAssign.jet => overloadPlusAssign.kt} (100%)
 rename compiler/testData/codegen/classes/{overloadPlusToPlusAssign.jet => overloadPlusAssignReturn.kt} (100%)
 rename compiler/testData/codegen/classes/{overloadPlusAssignReturn.jet => overloadPlusToPlusAssign.kt} (100%)
 rename compiler/testData/codegen/classes/{overloadUnaryOperator.jet => overloadUnaryOperator.kt} (100%)
 rename compiler/testData/codegen/classes/{propertyDelegation.jet => propertyDelegation.kt} (100%)
 rename compiler/testData/codegen/classes/{propertyInInitializer.jet => propertyInInitializer.kt} (100%)
 rename compiler/testData/codegen/classes/{resolveOrder.jet => resolveOrder.kt} (100%)
 rename compiler/testData/codegen/classes/{rightHandOverride.jet => rightHandOverride.kt} (100%)
 rename compiler/testData/codegen/classes/{simpleBox.jet => simpleBox.kt} (100%)
 rename compiler/testData/codegen/classes/{simpleClass.jet => simpleClass.kt} (100%)
 rename compiler/testData/codegen/classes/{simplestClosure.jet => simplestClosure.kt} (100%)
 rename compiler/testData/codegen/classes/{simplestClosureAndBoxing.jet => simplestClosureAndBoxing.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{break.jet => break.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{continue.jet => continue.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{doWhile.jet => doWhile.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{for.jet => for.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{forInArray.jet => forInArray.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{forIntArray.jet => forIntArray.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{forIntRange.jet => forIntRange.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{forNullableIntArray.jet => forNullableIntArray.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{forPrimitiveIntArray.jet => forPrimitiveIntArray.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{forUserType.jet => forUserType.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{if.jet => if.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{ifBlock.jet => ifBlock.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{ifInWhile.jet => ifInWhile.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{ifNoElse.jet => ifNoElse.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{inRangeConditionsInWhen.jet => inRangeConditionsInWhen.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{longRange.jet => longRange.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{quicksort.jet => quicksort.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{singleBranchIf.jet => singleBranchIf.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{sync.jet => sync.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{tryCatch.jet => tryCatch.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{tryFinally.jet => tryFinally.kt} (100%)
 rename compiler/testData/codegen/controlStructures/{while.jet => while.kt} (100%)
 rename compiler/testData/codegen/extensionFunctions/{generic.jet => generic.kt} (100%)
 rename compiler/testData/codegen/extensionFunctions/{simple.jet => simple.kt} (100%)
 rename compiler/testData/codegen/extensionFunctions/{virtual.jet => virtual.kt} (100%)
 rename compiler/testData/codegen/extensionFunctions/{whenFail.jet => whenFail.kt} (100%)
 rename compiler/testData/codegen/{functionCall.jet => functionCall.kt} (100%)
 rename compiler/testData/codegen/functions/{defaultargs.jet => defaultargs.kt} (100%)
 rename compiler/testData/codegen/functions/{defaultargs1.jet => defaultargs1.kt} (100%)
 rename compiler/testData/codegen/functions/{defaultargs2.jet => defaultargs2.kt} (100%)
 rename compiler/testData/codegen/functions/{defaultargs3.jet => defaultargs3.kt} (100%)
 rename compiler/testData/codegen/functions/{defaultargs4.jet => defaultargs4.kt} (100%)
 rename compiler/testData/codegen/functions/{defaultargs5.jet => defaultargs5.kt} (100%)
 rename compiler/testData/codegen/functions/{functionExpression.jet => functionExpression.kt} (100%)
 rename compiler/testData/codegen/functions/{namedargs.jet => namedargs.kt} (100%)
 rename compiler/testData/codegen/functions/{nothisnoclosure.jet => nothisnoclosure.kt} (100%)
 rename compiler/testData/codegen/functions/{withtypeparams.jet => withtypeparams.kt} (100%)
 rename compiler/testData/codegen/{helloWorld.jet => helloWorld.kt} (100%)
 rename compiler/testData/codegen/{incrementProperty.jet => incrementProperty.kt} (100%)
 rename compiler/testData/codegen/{localProperty.jet => localProperty.kt} (100%)
 rename compiler/testData/codegen/{multilineStringsWithTemplates.jet => multilineStringsWithTemplates.kt} (100%)
 rename compiler/testData/codegen/{namespaceQualifiedMethod.jet => namespaceQualifiedMethod.kt} (100%)
 rename compiler/testData/codegen/{newInstanceExplicitConstructor.jet => newInstanceExplicitConstructor.kt} (100%)
 rename compiler/testData/codegen/objects/{importFromClassObject.jet => importFromClassObject.kt} (100%)
 rename compiler/testData/codegen/objects/{methodOnObject.jet => methodOnObject.kt} (100%)
 rename compiler/testData/codegen/objects/{objectLiteral.jet => objectLiteral.kt} (100%)
 rename compiler/testData/codegen/objects/{objectLiteralInClosure.jet => objectLiteralInClosure.kt} (100%)
 rename compiler/testData/codegen/objects/{simpleObject.jet => simpleObject.kt} (100%)
 rename compiler/testData/codegen/patternMatching/{callProperty.jet => callProperty.kt} (100%)
 rename compiler/testData/codegen/patternMatching/{constant.jet => constant.kt} (100%)
 rename compiler/testData/codegen/patternMatching/{exceptionOnNoMatch.jet => exceptionOnNoMatch.kt} (100%)
 rename compiler/testData/codegen/patternMatching/{inrange.jet => inrange.kt} (100%)
 rename compiler/testData/codegen/patternMatching/{is.jet => is.kt} (100%)
 rename compiler/testData/codegen/patternMatching/{longInRange.jet => longInRange.kt} (100%)
 rename compiler/testData/codegen/patternMatching/{pattern.jet => pattern.kt} (100%)
 rename compiler/testData/codegen/patternMatching/{range.jet => range.kt} (100%)
 rename compiler/testData/codegen/patternMatching/{rangeChar.jet => rangeChar.kt} (100%)
 rename compiler/testData/codegen/properties/{fieldPropertyAccess.jet => fieldPropertyAccess.kt} (100%)
 rename compiler/testData/codegen/properties/{fieldSetter.jet => fieldSetter.kt} (100%)
 rename compiler/testData/codegen/properties/{fieldSetterPlusEq.jet => fieldSetterPlusEq.kt} (100%)
 rename compiler/testData/codegen/properties/{privateVal.jet => privateVal.kt} (100%)
 rename compiler/testData/codegen/properties/{privateVar.jet => privateVar.kt} (100%)
 rename compiler/testData/codegen/properties/{propertyReceiverOnStack.jet => propertyReceiverOnStack.kt} (100%)
 rename compiler/testData/codegen/{rawStrings.jet => rawStrings.kt} (100%)
 rename compiler/testData/codegen/regressions/{ea35963.jet => ea35963.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt1572.jet => kt1572.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt232.jet => kt232.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt237.jet => kt237.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt238.jet => kt238.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt239.jet => kt239.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt242.jet => kt242.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt243.jet => kt243.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt245.jet => kt245.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt247.jet => kt247.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt248.jet => kt248.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt249.jet => kt249.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt257.jet => kt257.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt259.jet => kt259.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt285.jet => kt285.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt297.jet => kt297.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt299.jet => kt299.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt326.jet => kt326.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt33.jet => kt33.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt343.jet => kt343.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt344.jet => kt344.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt395.jet => kt395.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt416.jet => kt416.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt434.jet => kt434.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt446.jet => kt446.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt475.jet => kt475.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt48.jet => kt48.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt496.jet => kt496.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt500.jet => kt500.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt501.jet => kt501.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt503.jet => kt503.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt504.jet => kt504.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt508.jet => kt508.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt511.jet => kt511.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt513.jet => kt513.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt518.jet => kt518.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt535.jet => kt535.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt560.jet => kt560.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt581.jet => kt581.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt594.jet => kt594.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt602.jet => kt602.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt613.jet => kt613.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt640.jet => kt640.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt684.jet => kt684.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt707.jet => kt707.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt752.jet => kt752.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt753.jet => kt753.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt756.jet => kt756.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt757.jet => kt757.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt769.jet => kt769.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt773.jet => kt772.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt772.jet => kt773.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt779.jet => kt779.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt785.jet => kt785.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt789.jet => kt789.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt796_797.jet => kt796_797.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt799.jet => kt799.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt864.jet => kt864.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt865.jet => kt865.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt870.jet => kt870.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt877.jet => kt877.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt881.jet => kt881.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt882.jet => kt882.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt887.jet => kt887.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt889.jet => kt889.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt894.jet => kt894.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt903.jet => kt903.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt945.jet => kt945.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt950.jet => kt950.kt} (100%)
 rename compiler/testData/codegen/regressions/{kt958.jet => kt958.kt} (100%)
 rename compiler/testData/codegen/super/{basicmethodSuperClass.jet => basicmethodSuperClass.kt} (100%)
 rename compiler/testData/codegen/super/{basicmethodSuperTrait.jet => basicmethodSuperTrait.kt} (100%)
 rename compiler/testData/codegen/super/{basicproperty.jet => basicproperty.kt} (100%)
 rename compiler/testData/codegen/super/{enclosedFun.jet => enclosedFun.kt} (100%)
 rename compiler/testData/codegen/super/{enclosedVar.jet => enclosedVar.kt} (100%)
 rename compiler/testData/codegen/super/{traitproperty.jet => traitproperty.kt} (100%)
 rename compiler/testData/codegen/{systemOut.jet => systemOut.kt} (100%)
 rename compiler/testData/codegen/traits/{finalMethod.jet => finalMethod.kt} (100%)
 rename compiler/testData/codegen/traits/{inheritedFun.jet => inheritedFun.kt} (100%)
 rename compiler/testData/codegen/traits/{inheritedVar.jet => inheritedVar.kt} (100%)
 rename compiler/testData/codegen/traits/{multiple.jet => multiple.kt} (100%)
 rename compiler/testData/codegen/traits/{simple.jet => simple.kt} (100%)
 rename compiler/testData/codegen/traits/{stdlib.jet => stdlib.kt} (100%)
 rename compiler/testData/codegen/traits/{withRequired.jet => withRequired.kt} (100%)
 rename compiler/testData/codegen/{typeCastException.jet => typeCastException.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{asInLoop.jet => asInLoop.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{asSafeWithGenerics.jet => asSafeWithGenerics.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{classObjectInTypeInfo.jet => classObjectInTypeInfo.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{forwardTypeParameter.jet => forwardTypeParameter.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{genericFunction.jet => genericFunction.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{getTypeInfo.jet => getTypeInfo.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{inheritance.jet => inheritance.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{inner.jet => inner.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{isTypeParameter.jet => isTypeParameter.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{isWithGenericParameters.jet => isWithGenericParameters.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{isWithGenerics.jet => isWithGenerics.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{nullability.jet => nullability.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{oneArgTypeinfo.jet => oneArgTypeinfo.kt} (100%)
 rename compiler/testData/codegen/typeInfo/{primitiveTypeInfo.jet => primitiveTypeInfo.kt} (100%)

diff --git a/compiler/android-tests/tests/org/jetbrains/jet/compiler/android/SpecialFiles.java b/compiler/android-tests/tests/org/jetbrains/jet/compiler/android/SpecialFiles.java
index 38785b4056b..5f91659d132 100644
--- a/compiler/android-tests/tests/org/jetbrains/jet/compiler/android/SpecialFiles.java
+++ b/compiler/android-tests/tests/org/jetbrains/jet/compiler/android/SpecialFiles.java
@@ -64,13 +64,13 @@ public class SpecialFiles {
     private static void fillFilesCompiledWithoutStdLib() {
         filesCompiledWithoutStdLib.add("kt1980.kt");
         filesCompiledWithoutStdLib.add("kt1953_class.kt"); // Exception in code
-        filesCompiledWithoutStdLib.add("basicmethodSuperClass.jet"); // Exception in code
-        filesCompiledWithoutStdLib.add("kt503.jet"); // OVERLOAD_RESOLUTION_AMBIGUITY
-        filesCompiledWithoutStdLib.add("kt504.jet"); // OVERLOAD_RESOLUTION_AMBIGUITY
-        filesCompiledWithoutStdLib.add("kt772.jet"); // OVERLOAD_RESOLUTION_AMBIGUITY
-        filesCompiledWithoutStdLib.add("kt773.jet"); // OVERLOAD_RESOLUTION_AMBIGUITY
-        filesCompiledWithoutStdLib.add("kt796_797.jet"); // OVERLOAD_RESOLUTION_AMBIGUITY
-        filesCompiledWithoutStdLib.add("kt950.jet"); // OVERLOAD_RESOLUTION_AMBIGUITY
+        filesCompiledWithoutStdLib.add("basicmethodSuperClass.kt"); // Exception in code
+        filesCompiledWithoutStdLib.add("kt503.kt"); // OVERLOAD_RESOLUTION_AMBIGUITY
+        filesCompiledWithoutStdLib.add("kt504.kt"); // OVERLOAD_RESOLUTION_AMBIGUITY
+        filesCompiledWithoutStdLib.add("kt772.kt"); // OVERLOAD_RESOLUTION_AMBIGUITY
+        filesCompiledWithoutStdLib.add("kt773.kt"); // OVERLOAD_RESOLUTION_AMBIGUITY
+        filesCompiledWithoutStdLib.add("kt796_797.kt"); // OVERLOAD_RESOLUTION_AMBIGUITY
+        filesCompiledWithoutStdLib.add("kt950.kt"); // OVERLOAD_RESOLUTION_AMBIGUITY
         filesCompiledWithoutStdLib.add("kt2395.kt"); // With MOCK_JDK
     }
 
@@ -84,26 +84,25 @@ public class SpecialFiles {
         excludedFiles.add("simpleJavaEnumWithStaticImport.kt"); // Must compile Java files before
         excludedFiles.add("removeInIterator.kt"); // Must compile Java files before
         excludedFiles.add("kt3238.kt"); // Reflection
-        excludedFiles.add("namespaceQualifiedMethod.jet"); // Cannot change package name
+        excludedFiles.add("namespaceQualifiedMethod.kt"); // Cannot change package name
         excludedFiles.add("kt1482_2279.kt"); // Cannot change package name
         excludedFiles.add("kt1482.kt"); // Cannot change package name
-        excludedFiles.add("importFromClassObject.jet"); // Cannot find usages in Codegen tests
-        excludedFiles.add("withtypeparams.jet"); // Cannot find usages in Codegen tests
+        excludedFiles.add("importFromClassObject.kt"); // Cannot find usages in Codegen tests
+        excludedFiles.add("withtypeparams.kt"); // Cannot find usages in Codegen tests
         excludedFiles.add("kt1113.kt"); // Commented
-        excludedFiles.add("kt326.jet"); // Commented
+        excludedFiles.add("kt326.kt"); // Commented
         excludedFiles.add("kt1213.kt"); // Commented
-        excludedFiles.add("kt882.jet"); // Commented
-        excludedFiles.add("kt789.jet"); // Commented
+        excludedFiles.add("kt882.kt"); // Commented
+        excludedFiles.add("kt789.kt"); // Commented
         excludedFiles.add("enum.kt"); // Commented
         excludedFiles.add("withclosure.kt"); // Commented
-        excludedFiles.add("isTypeParameter.jet"); // Commented
-        excludedFiles.add("nullability.jet"); // Commented
-        excludedFiles.add("genericFunction.jet"); // Commented
-        excludedFiles.add("forwardTypeParameter.jet"); // Commented
-        excludedFiles.add("kt259.jet"); // Commented
-        excludedFiles.add("classObjectMethod.jet"); // Commented
+        excludedFiles.add("isTypeParameter.kt"); // Commented
+        excludedFiles.add("nullability.kt"); // Commented
+        excludedFiles.add("genericFunction.kt"); // Commented
+        excludedFiles.add("forwardTypeParameter.kt"); // Commented
+        excludedFiles.add("classObjectMethod.kt"); // Commented
 
-        excludedFiles.add("inRangeConditionsInWhen.jet"); // Commented
+        excludedFiles.add("inRangeConditionsInWhen.kt"); // Commented
         excludedFiles.add("kt1592.kt"); // Codegen don't execute blackBoxFile() on it
 
         excludedFiles.add("box.kt");      // MultiFileTest not supported yet
@@ -112,9 +111,10 @@ public class SpecialFiles {
         excludedFiles.add("kt1528_1.kt"); // MultiFileTest not supported yet
         excludedFiles.add("thisPackage.kt"); // MultiFileTest not supported yet
 
-        excludedFiles.add("kt684.jet"); // StackOverflow with StringBuilder (escape())
+        excludedFiles.add("kt684.kt"); // StackOverflow with StringBuilder (escape())
 
-        excludedFiles.add("kt344.jet"); // Bug KT-2251
+        excludedFiles.add("kt344.kt"); // Bug KT-2251
+        excludedFiles.add("kt529.kt");  // Bug
 
         excludedFiles.add("noClassObjectForJavaClass.kt");
 
diff --git a/compiler/testData/codegen/PSVM.jet b/compiler/testData/codegen/PSVM.kt
similarity index 100%
rename from compiler/testData/codegen/PSVM.jet
rename to compiler/testData/codegen/PSVM.kt
diff --git a/compiler/testData/codegen/assign.jet b/compiler/testData/codegen/assign.kt
similarity index 100%
rename from compiler/testData/codegen/assign.jet
rename to compiler/testData/codegen/assign.kt
diff --git a/compiler/testData/codegen/bottles.jet b/compiler/testData/codegen/bottles.kt
similarity index 100%
rename from compiler/testData/codegen/bottles.jet
rename to compiler/testData/codegen/bottles.kt
diff --git a/compiler/testData/codegen/bottles2.jet b/compiler/testData/codegen/bottles2.kt
similarity index 100%
rename from compiler/testData/codegen/bottles2.jet
rename to compiler/testData/codegen/bottles2.kt
diff --git a/compiler/testData/codegen/bridge.jet b/compiler/testData/codegen/bridge.kt
similarity index 100%
rename from compiler/testData/codegen/bridge.jet
rename to compiler/testData/codegen/bridge.kt
diff --git a/compiler/testData/codegen/checkCast.jet b/compiler/testData/codegen/checkCast.kt
similarity index 100%
rename from compiler/testData/codegen/checkCast.jet
rename to compiler/testData/codegen/checkCast.kt
diff --git a/compiler/testData/codegen/classes/classObject.jet b/compiler/testData/codegen/classes/classObject.kt
similarity index 100%
rename from compiler/testData/codegen/classes/classObject.jet
rename to compiler/testData/codegen/classes/classObject.kt
diff --git a/compiler/testData/codegen/classes/classObjectInTrait.jet b/compiler/testData/codegen/classes/classObjectInTrait.kt
similarity index 100%
rename from compiler/testData/codegen/classes/classObjectInTrait.jet
rename to compiler/testData/codegen/classes/classObjectInTrait.kt
diff --git a/compiler/testData/codegen/classes/classObjectInterface.jet b/compiler/testData/codegen/classes/classObjectInterface.kt
similarity index 100%
rename from compiler/testData/codegen/classes/classObjectInterface.jet
rename to compiler/testData/codegen/classes/classObjectInterface.kt
diff --git a/compiler/testData/codegen/classes/classObjectMethod.jet b/compiler/testData/codegen/classes/classObjectMethod.kt
similarity index 100%
rename from compiler/testData/codegen/classes/classObjectMethod.jet
rename to compiler/testData/codegen/classes/classObjectMethod.kt
diff --git a/compiler/testData/codegen/classes/closureWithParameter.jet b/compiler/testData/codegen/classes/closureWithParameter.kt
similarity index 100%
rename from compiler/testData/codegen/classes/closureWithParameter.jet
rename to compiler/testData/codegen/classes/closureWithParameter.kt
diff --git a/compiler/testData/codegen/classes/closureWithParameterAndBoxing.jet b/compiler/testData/codegen/classes/closureWithParameterAndBoxing.kt
similarity index 100%
rename from compiler/testData/codegen/classes/closureWithParameterAndBoxing.jet
rename to compiler/testData/codegen/classes/closureWithParameterAndBoxing.kt
diff --git a/compiler/testData/codegen/classes/diamondInheritance.jet b/compiler/testData/codegen/classes/diamondInheritance.kt
similarity index 100%
rename from compiler/testData/codegen/classes/diamondInheritance.jet
rename to compiler/testData/codegen/classes/diamondInheritance.kt
diff --git a/compiler/testData/codegen/classes/doubleEnclosedLocalVariable.jet b/compiler/testData/codegen/classes/doubleEnclosedLocalVariable.kt
similarity index 100%
rename from compiler/testData/codegen/classes/doubleEnclosedLocalVariable.jet
rename to compiler/testData/codegen/classes/doubleEnclosedLocalVariable.kt
diff --git a/compiler/testData/codegen/classes/enclosingLocalVariable.jet b/compiler/testData/codegen/classes/enclosingLocalVariable.kt
similarity index 100%
rename from compiler/testData/codegen/classes/enclosingLocalVariable.jet
rename to compiler/testData/codegen/classes/enclosingLocalVariable.kt
diff --git a/compiler/testData/codegen/classes/enclosingThis.jet b/compiler/testData/codegen/classes/enclosingThis.kt
similarity index 100%
rename from compiler/testData/codegen/classes/enclosingThis.jet
rename to compiler/testData/codegen/classes/enclosingThis.kt
diff --git a/compiler/testData/codegen/classes/exceptionConstructor.jet b/compiler/testData/codegen/classes/exceptionConstructor.kt
similarity index 100%
rename from compiler/testData/codegen/classes/exceptionConstructor.jet
rename to compiler/testData/codegen/classes/exceptionConstructor.kt
diff --git a/compiler/testData/codegen/classes/extensionClosure.jet b/compiler/testData/codegen/classes/extensionClosure.kt
similarity index 100%
rename from compiler/testData/codegen/classes/extensionClosure.jet
rename to compiler/testData/codegen/classes/extensionClosure.kt
diff --git a/compiler/testData/codegen/classes/funDelegation.jet b/compiler/testData/codegen/classes/funDelegation.kt
similarity index 100%
rename from compiler/testData/codegen/classes/funDelegation.jet
rename to compiler/testData/codegen/classes/funDelegation.kt
diff --git a/compiler/testData/codegen/classes/inheritance.jet b/compiler/testData/codegen/classes/inheritance.kt
similarity index 100%
rename from compiler/testData/codegen/classes/inheritance.jet
rename to compiler/testData/codegen/classes/inheritance.kt
diff --git a/compiler/testData/codegen/classes/inheritedInnerClass.jet b/compiler/testData/codegen/classes/inheritedInnerClass.kt
similarity index 100%
rename from compiler/testData/codegen/classes/inheritedInnerClass.jet
rename to compiler/testData/codegen/classes/inheritedInnerClass.kt
diff --git a/compiler/testData/codegen/classes/inheritedMethod.jet b/compiler/testData/codegen/classes/inheritedMethod.kt
similarity index 100%
rename from compiler/testData/codegen/classes/inheritedMethod.jet
rename to compiler/testData/codegen/classes/inheritedMethod.kt
diff --git a/compiler/testData/codegen/classes/inheritingFromArrayList.jet b/compiler/testData/codegen/classes/inheritingFromArrayList.kt
similarity index 100%
rename from compiler/testData/codegen/classes/inheritingFromArrayList.jet
rename to compiler/testData/codegen/classes/inheritingFromArrayList.kt
diff --git a/compiler/testData/codegen/classes/initializerBlock.jet b/compiler/testData/codegen/classes/initializerBlock.kt
similarity index 100%
rename from compiler/testData/codegen/classes/initializerBlock.jet
rename to compiler/testData/codegen/classes/initializerBlock.kt
diff --git a/compiler/testData/codegen/classes/initializerBlockDImpl.jet b/compiler/testData/codegen/classes/initializerBlockDImpl.kt
similarity index 100%
rename from compiler/testData/codegen/classes/initializerBlockDImpl.jet
rename to compiler/testData/codegen/classes/initializerBlockDImpl.kt
diff --git a/compiler/testData/codegen/classes/innerClass.jet b/compiler/testData/codegen/classes/innerClass.kt
similarity index 100%
rename from compiler/testData/codegen/classes/innerClass.jet
rename to compiler/testData/codegen/classes/innerClass.kt
diff --git a/compiler/testData/codegen/classes/newInstanceDefaultConstructor.jet b/compiler/testData/codegen/classes/newInstanceDefaultConstructor.kt
similarity index 100%
rename from compiler/testData/codegen/classes/newInstanceDefaultConstructor.jet
rename to compiler/testData/codegen/classes/newInstanceDefaultConstructor.kt
diff --git a/compiler/testData/codegen/classes/nonnullarray.jet b/compiler/testData/codegen/classes/nonnullarray.kt
similarity index 100%
rename from compiler/testData/codegen/classes/nonnullarray.jet
rename to compiler/testData/codegen/classes/nonnullarray.kt
diff --git a/compiler/testData/codegen/classes/outerThis.jet b/compiler/testData/codegen/classes/outerThis.kt
similarity index 100%
rename from compiler/testData/codegen/classes/outerThis.jet
rename to compiler/testData/codegen/classes/outerThis.kt
diff --git a/compiler/testData/codegen/classes/overloadBinaryOperator.jet b/compiler/testData/codegen/classes/overloadBinaryOperator.kt
similarity index 100%
rename from compiler/testData/codegen/classes/overloadBinaryOperator.jet
rename to compiler/testData/codegen/classes/overloadBinaryOperator.kt
diff --git a/compiler/testData/codegen/classes/overloadPlusAssign.jet b/compiler/testData/codegen/classes/overloadPlusAssign.kt
similarity index 100%
rename from compiler/testData/codegen/classes/overloadPlusAssign.jet
rename to compiler/testData/codegen/classes/overloadPlusAssign.kt
diff --git a/compiler/testData/codegen/classes/overloadPlusToPlusAssign.jet b/compiler/testData/codegen/classes/overloadPlusAssignReturn.kt
similarity index 100%
rename from compiler/testData/codegen/classes/overloadPlusToPlusAssign.jet
rename to compiler/testData/codegen/classes/overloadPlusAssignReturn.kt
diff --git a/compiler/testData/codegen/classes/overloadPlusAssignReturn.jet b/compiler/testData/codegen/classes/overloadPlusToPlusAssign.kt
similarity index 100%
rename from compiler/testData/codegen/classes/overloadPlusAssignReturn.jet
rename to compiler/testData/codegen/classes/overloadPlusToPlusAssign.kt
diff --git a/compiler/testData/codegen/classes/overloadUnaryOperator.jet b/compiler/testData/codegen/classes/overloadUnaryOperator.kt
similarity index 100%
rename from compiler/testData/codegen/classes/overloadUnaryOperator.jet
rename to compiler/testData/codegen/classes/overloadUnaryOperator.kt
diff --git a/compiler/testData/codegen/classes/propertyDelegation.jet b/compiler/testData/codegen/classes/propertyDelegation.kt
similarity index 100%
rename from compiler/testData/codegen/classes/propertyDelegation.jet
rename to compiler/testData/codegen/classes/propertyDelegation.kt
diff --git a/compiler/testData/codegen/classes/propertyInInitializer.jet b/compiler/testData/codegen/classes/propertyInInitializer.kt
similarity index 100%
rename from compiler/testData/codegen/classes/propertyInInitializer.jet
rename to compiler/testData/codegen/classes/propertyInInitializer.kt
diff --git a/compiler/testData/codegen/classes/resolveOrder.jet b/compiler/testData/codegen/classes/resolveOrder.kt
similarity index 100%
rename from compiler/testData/codegen/classes/resolveOrder.jet
rename to compiler/testData/codegen/classes/resolveOrder.kt
diff --git a/compiler/testData/codegen/classes/rightHandOverride.jet b/compiler/testData/codegen/classes/rightHandOverride.kt
similarity index 100%
rename from compiler/testData/codegen/classes/rightHandOverride.jet
rename to compiler/testData/codegen/classes/rightHandOverride.kt
diff --git a/compiler/testData/codegen/classes/simpleBox.jet b/compiler/testData/codegen/classes/simpleBox.kt
similarity index 100%
rename from compiler/testData/codegen/classes/simpleBox.jet
rename to compiler/testData/codegen/classes/simpleBox.kt
diff --git a/compiler/testData/codegen/classes/simpleClass.jet b/compiler/testData/codegen/classes/simpleClass.kt
similarity index 100%
rename from compiler/testData/codegen/classes/simpleClass.jet
rename to compiler/testData/codegen/classes/simpleClass.kt
diff --git a/compiler/testData/codegen/classes/simplestClosure.jet b/compiler/testData/codegen/classes/simplestClosure.kt
similarity index 100%
rename from compiler/testData/codegen/classes/simplestClosure.jet
rename to compiler/testData/codegen/classes/simplestClosure.kt
diff --git a/compiler/testData/codegen/classes/simplestClosureAndBoxing.jet b/compiler/testData/codegen/classes/simplestClosureAndBoxing.kt
similarity index 100%
rename from compiler/testData/codegen/classes/simplestClosureAndBoxing.jet
rename to compiler/testData/codegen/classes/simplestClosureAndBoxing.kt
diff --git a/compiler/testData/codegen/controlStructures/break.jet b/compiler/testData/codegen/controlStructures/break.kt
similarity index 100%
rename from compiler/testData/codegen/controlStructures/break.jet
rename to compiler/testData/codegen/controlStructures/break.kt
diff --git a/compiler/testData/codegen/controlStructures/continue.jet b/compiler/testData/codegen/controlStructures/continue.kt
similarity index 100%
rename from compiler/testData/codegen/controlStructures/continue.jet
rename to compiler/testData/codegen/controlStructures/continue.kt
diff --git a/compiler/testData/codegen/controlStructures/doWhile.jet b/compiler/testData/codegen/controlStructures/doWhile.kt
similarity index 100%
rename from compiler/testData/codegen/controlStructures/doWhile.jet
rename to compiler/testData/codegen/controlStructures/doWhile.kt
diff --git a/compiler/testData/codegen/controlStructures/for.jet b/compiler/testData/codegen/controlStructures/for.kt
similarity index 100%
rename from compiler/testData/codegen/controlStructures/for.jet
rename to compiler/testData/codegen/controlStructures/for.kt
diff --git a/compiler/testData/codegen/controlStructures/forInArray.jet b/compiler/testData/codegen/controlStructures/forInArray.kt
similarity index 100%
rename from compiler/testData/codegen/controlStructures/forInArray.jet
rename to compiler/testData/codegen/controlStructures/forInArray.kt
diff --git a/compiler/testData/codegen/controlStructures/forIntArray.jet b/compiler/testData/codegen/controlStructures/forIntArray.kt
similarity index 100%
rename from compiler/testData/codegen/controlStructures/forIntArray.jet
rename to compiler/testData/codegen/controlStructures/forIntArray.kt
diff --git a/compiler/testData/codegen/controlStructures/forIntRange.jet b/compiler/testData/codegen/controlStructures/forIntRange.kt
similarity index 100%
rename from compiler/testData/codegen/controlStructures/forIntRange.jet
rename to compiler/testData/codegen/controlStructures/forIntRange.kt
diff --git a/compiler/testData/codegen/controlStructures/forNullableIntArray.jet b/compiler/testData/codegen/controlStructures/forNullableIntArray.kt
similarity index 100%
rename from compiler/testData/codegen/controlStructures/forNullableIntArray.jet
rename to compiler/testData/codegen/controlStructures/forNullableIntArray.kt
diff --git a/compiler/testData/codegen/controlStructures/forPrimitiveIntArray.jet b/compiler/testData/codegen/controlStructures/forPrimitiveIntArray.kt
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diff --git a/compiler/testData/codegen/regressions/kt581.jet b/compiler/testData/codegen/regressions/kt581.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt581.jet
rename to compiler/testData/codegen/regressions/kt581.kt
diff --git a/compiler/testData/codegen/regressions/kt594.jet b/compiler/testData/codegen/regressions/kt594.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt594.jet
rename to compiler/testData/codegen/regressions/kt594.kt
diff --git a/compiler/testData/codegen/regressions/kt602.jet b/compiler/testData/codegen/regressions/kt602.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt602.jet
rename to compiler/testData/codegen/regressions/kt602.kt
diff --git a/compiler/testData/codegen/regressions/kt613.jet b/compiler/testData/codegen/regressions/kt613.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt613.jet
rename to compiler/testData/codegen/regressions/kt613.kt
diff --git a/compiler/testData/codegen/regressions/kt640.jet b/compiler/testData/codegen/regressions/kt640.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt640.jet
rename to compiler/testData/codegen/regressions/kt640.kt
diff --git a/compiler/testData/codegen/regressions/kt684.jet b/compiler/testData/codegen/regressions/kt684.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt684.jet
rename to compiler/testData/codegen/regressions/kt684.kt
diff --git a/compiler/testData/codegen/regressions/kt707.jet b/compiler/testData/codegen/regressions/kt707.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt707.jet
rename to compiler/testData/codegen/regressions/kt707.kt
diff --git a/compiler/testData/codegen/regressions/kt752.jet b/compiler/testData/codegen/regressions/kt752.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt752.jet
rename to compiler/testData/codegen/regressions/kt752.kt
diff --git a/compiler/testData/codegen/regressions/kt753.jet b/compiler/testData/codegen/regressions/kt753.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt753.jet
rename to compiler/testData/codegen/regressions/kt753.kt
diff --git a/compiler/testData/codegen/regressions/kt756.jet b/compiler/testData/codegen/regressions/kt756.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt756.jet
rename to compiler/testData/codegen/regressions/kt756.kt
diff --git a/compiler/testData/codegen/regressions/kt757.jet b/compiler/testData/codegen/regressions/kt757.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt757.jet
rename to compiler/testData/codegen/regressions/kt757.kt
diff --git a/compiler/testData/codegen/regressions/kt769.jet b/compiler/testData/codegen/regressions/kt769.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt769.jet
rename to compiler/testData/codegen/regressions/kt769.kt
diff --git a/compiler/testData/codegen/regressions/kt773.jet b/compiler/testData/codegen/regressions/kt772.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt773.jet
rename to compiler/testData/codegen/regressions/kt772.kt
diff --git a/compiler/testData/codegen/regressions/kt772.jet b/compiler/testData/codegen/regressions/kt773.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt772.jet
rename to compiler/testData/codegen/regressions/kt773.kt
diff --git a/compiler/testData/codegen/regressions/kt779.jet b/compiler/testData/codegen/regressions/kt779.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt779.jet
rename to compiler/testData/codegen/regressions/kt779.kt
diff --git a/compiler/testData/codegen/regressions/kt785.jet b/compiler/testData/codegen/regressions/kt785.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt785.jet
rename to compiler/testData/codegen/regressions/kt785.kt
diff --git a/compiler/testData/codegen/regressions/kt789.jet b/compiler/testData/codegen/regressions/kt789.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt789.jet
rename to compiler/testData/codegen/regressions/kt789.kt
diff --git a/compiler/testData/codegen/regressions/kt796_797.jet b/compiler/testData/codegen/regressions/kt796_797.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt796_797.jet
rename to compiler/testData/codegen/regressions/kt796_797.kt
diff --git a/compiler/testData/codegen/regressions/kt799.jet b/compiler/testData/codegen/regressions/kt799.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt799.jet
rename to compiler/testData/codegen/regressions/kt799.kt
diff --git a/compiler/testData/codegen/regressions/kt864.jet b/compiler/testData/codegen/regressions/kt864.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt864.jet
rename to compiler/testData/codegen/regressions/kt864.kt
diff --git a/compiler/testData/codegen/regressions/kt865.jet b/compiler/testData/codegen/regressions/kt865.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt865.jet
rename to compiler/testData/codegen/regressions/kt865.kt
diff --git a/compiler/testData/codegen/regressions/kt870.jet b/compiler/testData/codegen/regressions/kt870.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt870.jet
rename to compiler/testData/codegen/regressions/kt870.kt
diff --git a/compiler/testData/codegen/regressions/kt877.jet b/compiler/testData/codegen/regressions/kt877.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt877.jet
rename to compiler/testData/codegen/regressions/kt877.kt
diff --git a/compiler/testData/codegen/regressions/kt881.jet b/compiler/testData/codegen/regressions/kt881.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt881.jet
rename to compiler/testData/codegen/regressions/kt881.kt
diff --git a/compiler/testData/codegen/regressions/kt882.jet b/compiler/testData/codegen/regressions/kt882.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt882.jet
rename to compiler/testData/codegen/regressions/kt882.kt
diff --git a/compiler/testData/codegen/regressions/kt887.jet b/compiler/testData/codegen/regressions/kt887.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt887.jet
rename to compiler/testData/codegen/regressions/kt887.kt
diff --git a/compiler/testData/codegen/regressions/kt889.jet b/compiler/testData/codegen/regressions/kt889.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt889.jet
rename to compiler/testData/codegen/regressions/kt889.kt
diff --git a/compiler/testData/codegen/regressions/kt894.jet b/compiler/testData/codegen/regressions/kt894.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt894.jet
rename to compiler/testData/codegen/regressions/kt894.kt
diff --git a/compiler/testData/codegen/regressions/kt903.jet b/compiler/testData/codegen/regressions/kt903.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt903.jet
rename to compiler/testData/codegen/regressions/kt903.kt
diff --git a/compiler/testData/codegen/regressions/kt945.jet b/compiler/testData/codegen/regressions/kt945.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt945.jet
rename to compiler/testData/codegen/regressions/kt945.kt
diff --git a/compiler/testData/codegen/regressions/kt950.jet b/compiler/testData/codegen/regressions/kt950.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt950.jet
rename to compiler/testData/codegen/regressions/kt950.kt
diff --git a/compiler/testData/codegen/regressions/kt958.jet b/compiler/testData/codegen/regressions/kt958.kt
similarity index 100%
rename from compiler/testData/codegen/regressions/kt958.jet
rename to compiler/testData/codegen/regressions/kt958.kt
diff --git a/compiler/testData/codegen/super/basicmethodSuperClass.jet b/compiler/testData/codegen/super/basicmethodSuperClass.kt
similarity index 100%
rename from compiler/testData/codegen/super/basicmethodSuperClass.jet
rename to compiler/testData/codegen/super/basicmethodSuperClass.kt
diff --git a/compiler/testData/codegen/super/basicmethodSuperTrait.jet b/compiler/testData/codegen/super/basicmethodSuperTrait.kt
similarity index 100%
rename from compiler/testData/codegen/super/basicmethodSuperTrait.jet
rename to compiler/testData/codegen/super/basicmethodSuperTrait.kt
diff --git a/compiler/testData/codegen/super/basicproperty.jet b/compiler/testData/codegen/super/basicproperty.kt
similarity index 100%
rename from compiler/testData/codegen/super/basicproperty.jet
rename to compiler/testData/codegen/super/basicproperty.kt
diff --git a/compiler/testData/codegen/super/enclosedFun.jet b/compiler/testData/codegen/super/enclosedFun.kt
similarity index 100%
rename from compiler/testData/codegen/super/enclosedFun.jet
rename to compiler/testData/codegen/super/enclosedFun.kt
diff --git a/compiler/testData/codegen/super/enclosedVar.jet b/compiler/testData/codegen/super/enclosedVar.kt
similarity index 100%
rename from compiler/testData/codegen/super/enclosedVar.jet
rename to compiler/testData/codegen/super/enclosedVar.kt
diff --git a/compiler/testData/codegen/super/traitproperty.jet b/compiler/testData/codegen/super/traitproperty.kt
similarity index 100%
rename from compiler/testData/codegen/super/traitproperty.jet
rename to compiler/testData/codegen/super/traitproperty.kt
diff --git a/compiler/testData/codegen/systemOut.jet b/compiler/testData/codegen/systemOut.kt
similarity index 100%
rename from compiler/testData/codegen/systemOut.jet
rename to compiler/testData/codegen/systemOut.kt
diff --git a/compiler/testData/codegen/traits/finalMethod.jet b/compiler/testData/codegen/traits/finalMethod.kt
similarity index 100%
rename from compiler/testData/codegen/traits/finalMethod.jet
rename to compiler/testData/codegen/traits/finalMethod.kt
diff --git a/compiler/testData/codegen/traits/inheritedFun.jet b/compiler/testData/codegen/traits/inheritedFun.kt
similarity index 100%
rename from compiler/testData/codegen/traits/inheritedFun.jet
rename to compiler/testData/codegen/traits/inheritedFun.kt
diff --git a/compiler/testData/codegen/traits/inheritedVar.jet b/compiler/testData/codegen/traits/inheritedVar.kt
similarity index 100%
rename from compiler/testData/codegen/traits/inheritedVar.jet
rename to compiler/testData/codegen/traits/inheritedVar.kt
diff --git a/compiler/testData/codegen/traits/multiple.jet b/compiler/testData/codegen/traits/multiple.kt
similarity index 100%
rename from compiler/testData/codegen/traits/multiple.jet
rename to compiler/testData/codegen/traits/multiple.kt
diff --git a/compiler/testData/codegen/traits/simple.jet b/compiler/testData/codegen/traits/simple.kt
similarity index 100%
rename from compiler/testData/codegen/traits/simple.jet
rename to compiler/testData/codegen/traits/simple.kt
diff --git a/compiler/testData/codegen/traits/stdlib.jet b/compiler/testData/codegen/traits/stdlib.kt
similarity index 100%
rename from compiler/testData/codegen/traits/stdlib.jet
rename to compiler/testData/codegen/traits/stdlib.kt
diff --git a/compiler/testData/codegen/traits/withRequired.jet b/compiler/testData/codegen/traits/withRequired.kt
similarity index 100%
rename from compiler/testData/codegen/traits/withRequired.jet
rename to compiler/testData/codegen/traits/withRequired.kt
diff --git a/compiler/testData/codegen/typeCastException.jet b/compiler/testData/codegen/typeCastException.kt
similarity index 100%
rename from compiler/testData/codegen/typeCastException.jet
rename to compiler/testData/codegen/typeCastException.kt
diff --git a/compiler/testData/codegen/typeInfo/asInLoop.jet b/compiler/testData/codegen/typeInfo/asInLoop.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/asInLoop.jet
rename to compiler/testData/codegen/typeInfo/asInLoop.kt
diff --git a/compiler/testData/codegen/typeInfo/asSafeWithGenerics.jet b/compiler/testData/codegen/typeInfo/asSafeWithGenerics.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/asSafeWithGenerics.jet
rename to compiler/testData/codegen/typeInfo/asSafeWithGenerics.kt
diff --git a/compiler/testData/codegen/typeInfo/classObjectInTypeInfo.jet b/compiler/testData/codegen/typeInfo/classObjectInTypeInfo.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/classObjectInTypeInfo.jet
rename to compiler/testData/codegen/typeInfo/classObjectInTypeInfo.kt
diff --git a/compiler/testData/codegen/typeInfo/forwardTypeParameter.jet b/compiler/testData/codegen/typeInfo/forwardTypeParameter.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/forwardTypeParameter.jet
rename to compiler/testData/codegen/typeInfo/forwardTypeParameter.kt
diff --git a/compiler/testData/codegen/typeInfo/genericFunction.jet b/compiler/testData/codegen/typeInfo/genericFunction.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/genericFunction.jet
rename to compiler/testData/codegen/typeInfo/genericFunction.kt
diff --git a/compiler/testData/codegen/typeInfo/getTypeInfo.jet b/compiler/testData/codegen/typeInfo/getTypeInfo.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/getTypeInfo.jet
rename to compiler/testData/codegen/typeInfo/getTypeInfo.kt
diff --git a/compiler/testData/codegen/typeInfo/inheritance.jet b/compiler/testData/codegen/typeInfo/inheritance.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/inheritance.jet
rename to compiler/testData/codegen/typeInfo/inheritance.kt
diff --git a/compiler/testData/codegen/typeInfo/inner.jet b/compiler/testData/codegen/typeInfo/inner.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/inner.jet
rename to compiler/testData/codegen/typeInfo/inner.kt
diff --git a/compiler/testData/codegen/typeInfo/isTypeParameter.jet b/compiler/testData/codegen/typeInfo/isTypeParameter.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/isTypeParameter.jet
rename to compiler/testData/codegen/typeInfo/isTypeParameter.kt
diff --git a/compiler/testData/codegen/typeInfo/isWithGenericParameters.jet b/compiler/testData/codegen/typeInfo/isWithGenericParameters.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/isWithGenericParameters.jet
rename to compiler/testData/codegen/typeInfo/isWithGenericParameters.kt
diff --git a/compiler/testData/codegen/typeInfo/isWithGenerics.jet b/compiler/testData/codegen/typeInfo/isWithGenerics.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/isWithGenerics.jet
rename to compiler/testData/codegen/typeInfo/isWithGenerics.kt
diff --git a/compiler/testData/codegen/typeInfo/nullability.jet b/compiler/testData/codegen/typeInfo/nullability.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/nullability.jet
rename to compiler/testData/codegen/typeInfo/nullability.kt
diff --git a/compiler/testData/codegen/typeInfo/oneArgTypeinfo.jet b/compiler/testData/codegen/typeInfo/oneArgTypeinfo.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/oneArgTypeinfo.jet
rename to compiler/testData/codegen/typeInfo/oneArgTypeinfo.kt
diff --git a/compiler/testData/codegen/typeInfo/primitiveTypeInfo.jet b/compiler/testData/codegen/typeInfo/primitiveTypeInfo.kt
similarity index 100%
rename from compiler/testData/codegen/typeInfo/primitiveTypeInfo.jet
rename to compiler/testData/codegen/typeInfo/primitiveTypeInfo.kt
diff --git a/compiler/tests/org/jetbrains/jet/codegen/ArrayGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/ArrayGenTest.java
index cdc2bf150a9..dc81238015d 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/ArrayGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/ArrayGenTest.java
@@ -29,16 +29,16 @@ public class ArrayGenTest extends CodegenTestCase {
     }
 
     public void testKt238() throws Exception {
-        blackBoxFile("regressions/kt238.jet");
+        blackBoxFile("regressions/kt238.kt");
     }
 
     public void testKt326() throws Exception {
-        //        blackBoxFile("regressions/kt326.jet");
+        //        blackBoxFile("regressions/kt326.kt");
         //        System.out.println(generateToText());
     }
 
     public void testKt779() throws Exception {
-        blackBoxFile("regressions/kt779.jet");
+        blackBoxFile("regressions/kt779.kt");
         //        System.out.println(generateToText());
     }
 
@@ -240,7 +240,7 @@ public class ArrayGenTest extends CodegenTestCase {
     }
 
     public void testCollectionPlusAssign() throws Exception {
-        blackBoxFile("regressions/kt33.jet");
+        blackBoxFile("regressions/kt33.kt");
     }
 
     public void testArrayPlusAssign() throws Exception {
@@ -310,26 +310,26 @@ public class ArrayGenTest extends CodegenTestCase {
     }
 
     public void testKt503() {
-        blackBoxFile("regressions/kt503.jet");
+        blackBoxFile("regressions/kt503.kt");
     }
 
     public void testKt602() {
-        blackBoxFile("regressions/kt602.jet");
+        blackBoxFile("regressions/kt602.kt");
         //        System.out.println(generateToText());
     }
 
     public void testKt950() {
-        blackBoxFile("regressions/kt950.jet");
+        blackBoxFile("regressions/kt950.kt");
     }
 
     public void testKt594() throws Exception {
-        loadFile("regressions/kt594.jet");
+        loadFile("regressions/kt594.kt");
         //        System.out.println(generateToText());
         blackBox();
     }
 
     public void testNonNullArray() throws Exception {
-        blackBoxFile("classes/nonnullarray.jet");
+        blackBoxFile("classes/nonnullarray.kt");
         //        System.out.println(generateToText());
     }
 
diff --git a/compiler/tests/org/jetbrains/jet/codegen/BridgeMethodGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/BridgeMethodGenTest.java
index 465fdf2bc4c..245dfdf588f 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/BridgeMethodGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/BridgeMethodGenTest.java
@@ -22,7 +22,7 @@ public class BridgeMethodGenTest extends CodegenTestCase {
 
     public void testBridgeMethod () throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("bridge.jet");
+        blackBoxFile("bridge.kt");
     }
 
     public void testKt1959() {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/ClassGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/ClassGenTest.java
index cc1119deaf3..b23300f782e 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/ClassGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/ClassGenTest.java
@@ -34,7 +34,7 @@ public class ClassGenTest extends CodegenTestCase {
     }
 
     public void testPSVMClass() {
-        loadFile("classes/simpleClass.jet");
+        loadFile("classes/simpleClass.kt");
 
         final Class aClass = loadClass("SimpleClass", generateClassesInFile());
         final Method[] methods = aClass.getDeclaredMethods();
@@ -44,7 +44,7 @@ public class ClassGenTest extends CodegenTestCase {
     }
 
     public void testArrayListInheritance() throws Exception {
-        loadFile("classes/inheritingFromArrayList.jet");
+        loadFile("classes/inheritingFromArrayList.kt");
         final Class aClass = loadClass("Foo", generateClassesInFile());
         assertInstanceOf(aClass.newInstance(), List.class);
     }
@@ -84,7 +84,7 @@ public class ClassGenTest extends CodegenTestCase {
     }
 
     public void testInheritanceAndDelegation_DelegatingDefaultConstructorProperties() {
-        blackBoxFile("classes/inheritance.jet");
+        blackBoxFile("classes/inheritance.kt");
     }
 
     public void testInheritanceAndDelegation2() {
@@ -120,34 +120,34 @@ public class ClassGenTest extends CodegenTestCase {
     }
 
     public void testFunDelegation() {
-        blackBoxFile("classes/funDelegation.jet");
+        blackBoxFile("classes/funDelegation.kt");
     }
 
     public void testPropertyDelegation() {
-        blackBoxFile("classes/propertyDelegation.jet");
+        blackBoxFile("classes/propertyDelegation.kt");
     }
 
     public void testDiamondInheritance() {
-        blackBoxFile("classes/diamondInheritance.jet");
+        blackBoxFile("classes/diamondInheritance.kt");
     }
 
     public void testRightHandOverride() {
-        blackBoxFile("classes/rightHandOverride.jet");
+        blackBoxFile("classes/rightHandOverride.kt");
     }
 
     public void testNewInstanceExplicitConstructor() throws Exception {
-        loadFile("classes/newInstanceDefaultConstructor.jet");
+        loadFile("classes/newInstanceDefaultConstructor.kt");
         final Method method = generateFunction("test");
         final Integer returnValue = (Integer) method.invoke(null);
         assertEquals(610, returnValue.intValue());
     }
 
     public void testInnerClass() {
-        blackBoxFile("classes/innerClass.jet");
+        blackBoxFile("classes/innerClass.kt");
     }
 
     public void testInheritedInnerClass() {
-        blackBoxFile("classes/inheritedInnerClass.jet");
+        blackBoxFile("classes/inheritedInnerClass.kt");
     }
 
     public void testKt2532() {
@@ -155,7 +155,7 @@ public class ClassGenTest extends CodegenTestCase {
     }
 
     public void testInitializerBlock() {
-        blackBoxFile("classes/initializerBlock.jet");
+        blackBoxFile("classes/initializerBlock.kt");
     }
 
     public void testAbstractMethod() throws Exception {
@@ -167,27 +167,27 @@ public class ClassGenTest extends CodegenTestCase {
     }
 
     public void testInheritedMethod() {
-        blackBoxFile("classes/inheritedMethod.jet");
+        blackBoxFile("classes/inheritedMethod.kt");
     }
 
     public void testInitializerBlockDImpl() {
-        blackBoxFile("classes/initializerBlockDImpl.jet");
+        blackBoxFile("classes/initializerBlockDImpl.kt");
     }
 
     public void testPropertyInInitializer() {
-        blackBoxFile("classes/propertyInInitializer.jet");
+        blackBoxFile("classes/propertyInInitializer.kt");
     }
 
     public void testOuterThis() {
-        blackBoxFile("classes/outerThis.jet");
+        blackBoxFile("classes/outerThis.kt");
     }
 
     public void testExceptionConstructor() {
-        blackBoxFile("classes/exceptionConstructor.jet");
+        blackBoxFile("classes/exceptionConstructor.kt");
     }
 
     public void testSimpleBox() {
-        blackBoxFile("classes/simpleBox.jet");
+        blackBoxFile("classes/simpleBox.kt");
     }
 
     public void testAbstractClass() throws Exception {
@@ -197,45 +197,45 @@ public class ClassGenTest extends CodegenTestCase {
     }
 
     public void testClassObject() {
-        blackBoxFile("classes/classObject.jet");
+        blackBoxFile("classes/classObject.kt");
     }
 
     public void testClassObjectInTrait() {
-        blackBoxFile("classes/classObjectInTrait.jet");
+        blackBoxFile("classes/classObjectInTrait.kt");
     }
 
     /*
     public void testClassObjectMethod() {
         // todo to be implemented after removal of type info
-        //        blackBoxFile("classes/classObjectMethod.jet");
+        //        blackBoxFile("classes/classObjectMethod.kt");
     }
     */
 
     public void testClassObjectInterface() throws Exception {
-        loadFile("classes/classObjectInterface.jet");
+        loadFile("classes/classObjectInterface.kt");
         final Method method = generateFunction();
         Object result = method.invoke(null);
         assertInstanceOf(result, Runnable.class);
     }
 
     public void testOverloadBinaryOperator() {
-        blackBoxFile("classes/overloadBinaryOperator.jet");
+        blackBoxFile("classes/overloadBinaryOperator.kt");
     }
 
     public void testOverloadUnaryOperator() {
-        blackBoxFile("classes/overloadUnaryOperator.jet");
+        blackBoxFile("classes/overloadUnaryOperator.kt");
     }
 
     public void testOverloadPlusAssign() {
-        blackBoxFile("classes/overloadPlusAssign.jet");
+        blackBoxFile("classes/overloadPlusAssign.kt");
     }
 
     public void testOverloadPlusAssignReturn() {
-        blackBoxFile("classes/overloadPlusAssignReturn.jet");
+        blackBoxFile("classes/overloadPlusAssignReturn.kt");
     }
 
     public void testOverloadPlusToPlusAssign() {
-        blackBoxFile("classes/overloadPlusToPlusAssign.jet");
+        blackBoxFile("classes/overloadPlusToPlusAssign.kt");
     }
 
     public void testEnumClass() throws Exception {
@@ -270,11 +270,11 @@ public class ClassGenTest extends CodegenTestCase {
     }
 
     public void testKt249() {
-        blackBoxFile("regressions/kt249.jet");
+        blackBoxFile("regressions/kt249.kt");
     }
 
     public void testKt48() {
-        blackBoxFile("regressions/kt48.jet");
+        blackBoxFile("regressions/kt48.kt");
     }
 
     public void testKt309() {
@@ -284,39 +284,39 @@ public class ClassGenTest extends CodegenTestCase {
     }
 
     public void testKt343() {
-        blackBoxFile("regressions/kt343.jet");
+        blackBoxFile("regressions/kt343.kt");
     }
 
     public void testKt508() {
-        blackBoxFile("regressions/kt508.jet");
+        blackBoxFile("regressions/kt508.kt");
     }
 
     public void testKt504() {
-        blackBoxFile("regressions/kt504.jet");
+        blackBoxFile("regressions/kt504.kt");
     }
 
     public void testKt501() {
-        blackBoxFile("regressions/kt501.jet");
+        blackBoxFile("regressions/kt501.kt");
     }
 
     public void testKt496() {
-        blackBoxFile("regressions/kt496.jet");
+        blackBoxFile("regressions/kt496.kt");
     }
 
     public void testKt500() {
-        blackBoxFile("regressions/kt500.jet");
+        blackBoxFile("regressions/kt500.kt");
     }
 
     public void testKt285() {
-        blackBoxFile("regressions/kt285.jet");
+        blackBoxFile("regressions/kt285.kt");
     }
 
     public void testKt707() {
-        blackBoxFile("regressions/kt707.jet");
+        blackBoxFile("regressions/kt707.kt");
     }
 
     public void testKt903() {
-        blackBoxFile("regressions/kt903.jet");
+        blackBoxFile("regressions/kt903.kt");
     }
 
     public void testKt940() {
@@ -378,7 +378,7 @@ public class ClassGenTest extends CodegenTestCase {
     }
 
     public void testResolveOrder() {
-        blackBoxFile("classes/resolveOrder.jet");
+        blackBoxFile("classes/resolveOrder.kt");
     }
 
     public void testKt1918() {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/ClosuresGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/ClosuresGenTest.java
index fe50d12f6f4..22404d84ec9 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/ClosuresGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/ClosuresGenTest.java
@@ -27,37 +27,37 @@ public class ClosuresGenTest extends CodegenTestCase {
     }
 
     public void testSimplestClosure() throws Exception {
-        blackBoxFile("classes/simplestClosure.jet");
+        blackBoxFile("classes/simplestClosure.kt");
 //        System.out.println(generateToText());
     }
 
     public void testSimplestClosureAndBoxing() throws Exception {
-        blackBoxFile("classes/simplestClosureAndBoxing.jet");
+        blackBoxFile("classes/simplestClosureAndBoxing.kt");
     }
 
     public void testClosureWithParameter() throws Exception {
-        blackBoxFile("classes/closureWithParameter.jet");
+        blackBoxFile("classes/closureWithParameter.kt");
     }
 
     public void testClosureWithParameterAndBoxing() throws Exception {
-        blackBoxFile("classes/closureWithParameterAndBoxing.jet");
+        blackBoxFile("classes/closureWithParameterAndBoxing.kt");
     }
 
     public void testExtensionClosure() throws Exception {
-        blackBoxFile("classes/extensionClosure.jet");
+        blackBoxFile("classes/extensionClosure.kt");
     }
 
     public void testEnclosingLocalVariable() throws Exception {
-        blackBoxFile("classes/enclosingLocalVariable.jet");
+        blackBoxFile("classes/enclosingLocalVariable.kt");
 //        System.out.println(generateToText());
     }
 
     public void testDoubleEnclosedLocalVariable() throws Exception {
-        blackBoxFile("classes/doubleEnclosedLocalVariable.jet");
+        blackBoxFile("classes/doubleEnclosedLocalVariable.kt");
     }
 
     public void testEnclosingThis() throws Exception {
-        blackBoxFile("classes/enclosingThis.jet");
+        blackBoxFile("classes/enclosingThis.kt");
     }
 
     public void testKt2151() {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/CodegenTestCase.java b/compiler/tests/org/jetbrains/jet/codegen/CodegenTestCase.java
index f9626e6ffd9..82681d8d751 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/CodegenTestCase.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/CodegenTestCase.java
@@ -144,7 +144,7 @@ public abstract class CodegenTestCase extends UsefulTestCase {
     }
 
     protected void loadFile() {
-        loadFile(getPrefix() + "/" + getTestName(true) + ".jet");
+        loadFile(getPrefix() + "/" + getTestName(true) + ".kt");
     }
 
     protected String getPrefix() {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/ControlStructuresTest.java b/compiler/tests/org/jetbrains/jet/codegen/ControlStructuresTest.java
index 5730bde3a30..41bb96957fe 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/ControlStructuresTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/ControlStructuresTest.java
@@ -50,21 +50,21 @@ public class ControlStructuresTest extends CodegenTestCase {
     }
 
     public void testWhile() throws Exception {
-        factorialTest("controlStructures/while.jet");
+        factorialTest("controlStructures/while.kt");
     }
 
     public void testDoWhile() throws Exception {
-        factorialTest("controlStructures/doWhile.jet");
+        factorialTest("controlStructures/doWhile.kt");
     }
 
     public void testBreak() throws Exception {
-        factorialTest("controlStructures/break.jet");
+        factorialTest("controlStructures/break.kt");
     }
 
     /*
     public void testInRangeConditionsInWhen() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("controlStructures/inRangeConditionsInWhen.jet");
+        blackBoxFile("controlStructures/inRangeConditionsInWhen.kt");
     }
     */
 
@@ -188,7 +188,7 @@ public class ControlStructuresTest extends CodegenTestCase {
 
     public void testForUserType() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("controlStructures/forUserType.jet");
+        blackBoxFile("controlStructures/forUserType.kt");
     }
 
     public void testForLoopMemberExtensionNext() throws Exception {
@@ -208,27 +208,27 @@ public class ControlStructuresTest extends CodegenTestCase {
 
     public void testForIntArray() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("controlStructures/forIntArray.jet");
+        blackBoxFile("controlStructures/forIntArray.kt");
     }
 
     public void testForPrimitiveIntArray() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("controlStructures/forPrimitiveIntArray.jet");
+        blackBoxFile("controlStructures/forPrimitiveIntArray.kt");
     }
 
     public void testForNullableIntArray() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("controlStructures/forNullableIntArray.jet");
+        blackBoxFile("controlStructures/forNullableIntArray.kt");
     }
 
     public void testForIntRange() {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("controlStructures/forIntRange.jet");
+        blackBoxFile("controlStructures/forIntRange.kt");
     }
 
     public void testKt237() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt237.jet");
+        blackBoxFile("regressions/kt237.kt");
     }
 
     public void testCompareToZero() throws Exception {
@@ -285,70 +285,70 @@ public class ControlStructuresTest extends CodegenTestCase {
 
     public void testKt299() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt299.jet");
+        blackBoxFile("regressions/kt299.kt");
     }
 
     public void testKt416() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt416.jet");
+        blackBoxFile("regressions/kt416.kt");
 //        System.out.println(generateToText());
     }
 
     public void testKt513() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt513.jet");
+        blackBoxFile("regressions/kt513.kt");
     }
 
     public void testKt434() throws Exception {
         createEnvironmentWithFullJdk();
-        blackBoxFile("regressions/kt434.jet");
+        blackBoxFile("regressions/kt434.kt");
     }
 
     public void testKt769() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt769.jet");
+        blackBoxFile("regressions/kt769.kt");
 //        System.out.println(generateToText());
     }
 
     public void testKt773() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt773.jet");
+        blackBoxFile("regressions/kt773.kt");
 //        System.out.println(generateToText());
     }
 
     public void testKt772() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt772.jet");
+        blackBoxFile("regressions/kt772.kt");
 //        System.out.println(generateToText());
     }
 
     public void testKt870() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt870.jet");
+        blackBoxFile("regressions/kt870.kt");
 //        System.out.println(generateToText());
     }
 
     public void testKt958() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt958.jet");
+        blackBoxFile("regressions/kt958.kt");
 //        System.out.println(generateToText());
     }
 
     public void testQuicksort() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("controlStructures/quicksort.jet");
+        blackBoxFile("controlStructures/quicksort.kt");
 //        System.out.println(generateToText());
     }
 
     public void testSynchronized() throws Exception {
         createEnvironmentWithFullJdk();
-        blackBoxFile("controlStructures/sync.jet");
+        blackBoxFile("controlStructures/sync.kt");
 //        System.out.println(generateToText());
     }
 
     public void testIfInWhile() throws Exception {
         createEnvironmentWithFullJdk();
-        blackBoxFile("controlStructures/ifInWhile.jet");
+        blackBoxFile("controlStructures/ifInWhile.kt");
 //        System.out.println(generateToText());
     }
 
@@ -454,7 +454,7 @@ public class ControlStructuresTest extends CodegenTestCase {
 
     public void testLongRange() {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("controlStructures/longRange.jet");
+        blackBoxFile("controlStructures/longRange.kt");
     }
 
     public void testForInSmartCastedToArray() {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/ExtensionFunctionsTest.java b/compiler/tests/org/jetbrains/jet/codegen/ExtensionFunctionsTest.java
index add65877c7b..4156ed0bf6e 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/ExtensionFunctionsTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/ExtensionFunctionsTest.java
@@ -44,7 +44,7 @@ public class ExtensionFunctionsTest extends CodegenTestCase {
 
     public void testVirtual() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("extensionFunctions/virtual.jet");
+        blackBoxFile("extensionFunctions/virtual.kt");
     }
 
     public void testShared() throws Exception {
@@ -55,7 +55,7 @@ public class ExtensionFunctionsTest extends CodegenTestCase {
 
     public void testKt475() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt475.jet");
+        blackBoxFile("regressions/kt475.kt");
     }
 
     public void testKtNested() throws Exception {
@@ -65,7 +65,7 @@ public class ExtensionFunctionsTest extends CodegenTestCase {
 
     public void testKt865() throws Exception {
         createEnvironmentWithFullJdk();
-        blackBoxFile("regressions/kt865.jet");
+        blackBoxFile("regressions/kt865.kt");
     }
 
     public void testKtNested2() throws Exception {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/FunctionGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/FunctionGenTest.java
index 84eea7c8fe5..1d24054bde2 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/FunctionGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/FunctionGenTest.java
@@ -35,32 +35,32 @@ public class FunctionGenTest extends CodegenTestCase {
     }
 
     public void testDefaultArgs() throws Exception {
-        blackBoxFile("functions/defaultargs.jet");
+        blackBoxFile("functions/defaultargs.kt");
         //        System.out.println(generateToText());
     }
 
     public void testDefaultArgs1() throws Exception {
-        blackBoxFile("functions/defaultargs1.jet");
+        blackBoxFile("functions/defaultargs1.kt");
         //        System.out.println(generateToText());
     }
 
     public void testDefaultArgs2() throws Exception {
-        blackBoxFile("functions/defaultargs2.jet");
+        blackBoxFile("functions/defaultargs2.kt");
         //        System.out.println(generateToText());
     }
 
     public void testDefaultArgs3() throws Exception {
-        blackBoxFile("functions/defaultargs3.jet");
+        blackBoxFile("functions/defaultargs3.kt");
         //        System.out.println(generateToText());
     }
 
     public void testDefaultArgs4() throws Exception {
-        blackBoxFile("functions/defaultargs4.jet");
+        blackBoxFile("functions/defaultargs4.kt");
         //        System.out.println(generateToText());
     }
 
     public void testDefaultArgs5() throws Exception {
-        blackBoxFile("functions/defaultargs5.jet");
+        blackBoxFile("functions/defaultargs5.kt");
         //        System.out.println(generateToText());
     }
 
@@ -73,7 +73,7 @@ public class FunctionGenTest extends CodegenTestCase {
     }
 
     public void testNoThisNoClosure() throws Exception {
-        blackBoxFile("functions/nothisnoclosure.jet");
+        blackBoxFile("functions/nothisnoclosure.kt");
         //        System.out.println(generateToText());
     }
 
@@ -107,11 +107,11 @@ public class FunctionGenTest extends CodegenTestCase {
     }
 
     public void testKt395() {
-        blackBoxFile("regressions/kt395.jet");
+        blackBoxFile("regressions/kt395.kt");
     }
 
     public void testKt785() {
-        blackBoxFile("regressions/kt785.jet");
+        blackBoxFile("regressions/kt785.kt");
     }
 
     public void testKt873() {
@@ -128,7 +128,7 @@ public class FunctionGenTest extends CodegenTestCase {
     }
 
     public void testFunction() throws InvocationTargetException, IllegalAccessException {
-        blackBoxFile("functions/functionExpression.jet");
+        blackBoxFile("functions/functionExpression.kt");
     }
 
     public void testLocalFunction() throws InvocationTargetException, IllegalAccessException {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/NamespaceGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/NamespaceGenTest.java
index a188ef67a04..2412c3fc51a 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/NamespaceGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/NamespaceGenTest.java
@@ -33,7 +33,7 @@ public class NamespaceGenTest extends CodegenTestCase {
     }
 
     public void testPSVM() throws Exception {
-        loadFile("PSVM.jet");
+        loadFile("PSVM.kt");
 //        System.out.println(generateToText());
 
         final Method main = generateFunction();
@@ -60,7 +60,7 @@ public class NamespaceGenTest extends CodegenTestCase {
     }
 
     public void testLocalProperty() throws Exception {
-        loadFile("localProperty.jet");
+        loadFile("localProperty.kt");
 //        System.out.println(generateToText());
 
         final Method main = generateFunction();
@@ -86,14 +86,14 @@ public class NamespaceGenTest extends CodegenTestCase {
     }
 
     public void testSystemOut() throws Exception {
-        loadFile("systemOut.jet");
+        loadFile("systemOut.kt");
         final Method main = generateFunction();
         final Object returnValue = main.invoke(null);
         assertEquals(returnValue, System.out);
     }
 
     public void testHelloWorld() throws Exception {
-        loadFile("helloWorld.jet");
+        loadFile("helloWorld.kt");
 
 //        System.out.println(generateToText());
 
@@ -101,7 +101,7 @@ public class NamespaceGenTest extends CodegenTestCase {
     }
 
     public void testAssign() throws Exception {
-        loadFile("assign.jet");
+        loadFile("assign.kt");
 
 //        System.out.println(generateToText());
         final Method main = generateFunction();
@@ -185,7 +185,7 @@ public class NamespaceGenTest extends CodegenTestCase {
     }
 
     public void testBottles2() throws Exception {
-        loadFile("bottles2.jet");
+        loadFile("bottles2.kt");
 //        System.out.println(generateToText());
         final Method main = generateFunction();
         main.invoke(null);  // ensure no exception
@@ -257,7 +257,7 @@ public class NamespaceGenTest extends CodegenTestCase {
     }
 
     public void testFunctionCall() throws Exception {
-        loadFile("functionCall.jet");
+        loadFile("functionCall.kt");
 //        System.out.println(generateToText());
         final Method main = generateFunction("f");
         assertEquals("foo", main.invoke(null));
@@ -467,15 +467,15 @@ public class NamespaceGenTest extends CodegenTestCase {
     }
 
     public void testNamespaceQualifiedMethod() throws Exception {
-        blackBoxFile("namespaceQualifiedMethod.jet");
+        blackBoxFile("namespaceQualifiedMethod.kt");
     }
 
     public void testCheckCast() throws Exception {
-        blackBoxFile("checkCast.jet");
+        blackBoxFile("checkCast.kt");
     }
 
     public void testTypeCastException() throws Exception {
-        blackBoxFile("typeCastException.jet");
+        blackBoxFile("typeCastException.kt");
     }
 
     public void testPutBooleanAsVoid() throws Exception {
@@ -485,7 +485,7 @@ public class NamespaceGenTest extends CodegenTestCase {
     }
 
     public void testIncrementProperty() throws Exception {
-        blackBoxFile("incrementProperty.jet");
+        blackBoxFile("incrementProperty.kt");
     }
 
     public void testJavaInterfaceMethod() throws Exception {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/ObjectGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/ObjectGenTest.java
index e6c634bb283..e7ebb142723 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/ObjectGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/ObjectGenTest.java
@@ -26,34 +26,34 @@ public class ObjectGenTest extends CodegenTestCase {
     }
 
     public void testSimpleObject() {
-        blackBoxFile("objects/simpleObject.jet");
+        blackBoxFile("objects/simpleObject.kt");
 //        System.out.println(generateToText());
     }
 
     public void testObjectLiteral() {
-        blackBoxFile("objects/objectLiteral.jet");
+        blackBoxFile("objects/objectLiteral.kt");
 //        System.out.println(generateToText());
     }
 
     public void testObjectLiteralInClosure() {
-        blackBoxFile("objects/objectLiteralInClosure.jet");
+        blackBoxFile("objects/objectLiteralInClosure.kt");
 //        System.out.println(generateToText());
     }
 
     public void testMethodOnObject() {
-        blackBoxFile("objects/methodOnObject.jet");
+        blackBoxFile("objects/methodOnObject.kt");
     }
 
     public void testKt535() {
-        blackBoxFile("regressions/kt535.jet");
+        blackBoxFile("regressions/kt535.kt");
     }
 
     public void testKt560() {
-        blackBoxFile("regressions/kt560.jet");
+        blackBoxFile("regressions/kt560.kt");
     }
 
     public void testKt640() {
-        blackBoxFile("regressions/kt640.jet");
+        blackBoxFile("regressions/kt640.kt");
     }
 
     public void testKt1136() {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/PatternMatchingTest.java b/compiler/tests/org/jetbrains/jet/codegen/PatternMatchingTest.java
index e559acabbb1..d2e1d20ccb8 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/PatternMatchingTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/PatternMatchingTest.java
@@ -73,11 +73,11 @@ public class PatternMatchingTest extends CodegenTestCase {
     }
 
     public void testRange() throws Exception {
-        blackBoxFile("patternMatching/range.jet");
+        blackBoxFile("patternMatching/range.kt");
     }
 
     public void testLongInRange() throws Exception {
-        blackBoxFile("patternMatching/longInRange.jet");
+        blackBoxFile("patternMatching/longInRange.kt");
     }
 
     public void testWhenArgumentIsEvaluatedOnlyOnce() throws Exception {
@@ -112,7 +112,7 @@ public class PatternMatchingTest extends CodegenTestCase {
     }
 
     public void testCallProperty() throws Exception {
-        blackBoxFile("patternMatching/callProperty.jet");
+        blackBoxFile("patternMatching/callProperty.kt");
     }
 
     public void testMultipleConditions() throws Exception {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/PrimitiveTypesTest.java b/compiler/tests/org/jetbrains/jet/codegen/PrimitiveTypesTest.java
index ebd641a012d..989f692fe0d 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/PrimitiveTypesTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/PrimitiveTypesTest.java
@@ -269,7 +269,7 @@ public class PrimitiveTypesTest extends CodegenTestCase {
     }
 
     public void testDecrementAsStatement() throws Exception {
-        loadFile("bottles.jet");
+        loadFile("bottles.kt");
 //        System.out.println(generateToText());
         final Method main = generateFunction();
         main.invoke(null);  // ensure no exception
@@ -283,31 +283,31 @@ public class PrimitiveTypesTest extends CodegenTestCase {
     }
 
     public void testEa35963() {
-        blackBoxFile("regressions/ea35963.jet");
+        blackBoxFile("regressions/ea35963.kt");
     }
 
     public void testKt242 () throws Exception {
-        blackBoxFile("regressions/kt242.jet");
+        blackBoxFile("regressions/kt242.kt");
     }
 
     public void testKt239 () throws Exception {
-        blackBoxFile("regressions/kt239.jet");
+        blackBoxFile("regressions/kt239.kt");
     }
 
     public void testKt243 () throws Exception {
-        blackBoxFile("regressions/kt243.jet");
+        blackBoxFile("regressions/kt243.kt");
     }
 
     public void testKt248 () throws Exception {
-        blackBoxFile("regressions/kt248.jet");
+        blackBoxFile("regressions/kt248.kt");
     }
 
     public void testKt446 () throws Exception {
-        blackBoxFile("regressions/kt446.jet");
+        blackBoxFile("regressions/kt446.kt");
     }
 
     public void testKt518 () throws Exception {
-        blackBoxFile("regressions/kt518.jet");
+        blackBoxFile("regressions/kt518.kt");
     }
 
     public void testKt711 () throws Exception {
@@ -357,36 +357,36 @@ public class PrimitiveTypesTest extends CodegenTestCase {
     }
 
     public void testKt752 () {
-        blackBoxFile("regressions/kt752.jet");
+        blackBoxFile("regressions/kt752.kt");
     }
 
     public void testKt753 () {
-        blackBoxFile("regressions/kt753.jet");
+        blackBoxFile("regressions/kt753.kt");
     }
 
     public void testKt684 () {
-        blackBoxFile("regressions/kt684.jet");
+        blackBoxFile("regressions/kt684.kt");
     }
 
     public void testKt756 () {
-        blackBoxFile("regressions/kt756.jet");
+        blackBoxFile("regressions/kt756.kt");
         //System.out.println(generateToText());
     }
 
     public void testKt757 () {
-        blackBoxFile("regressions/kt757.jet");
+        blackBoxFile("regressions/kt757.kt");
     }
 
     public void testKt877 () {
-        blackBoxFile("regressions/kt877.jet");
+        blackBoxFile("regressions/kt877.kt");
     }
 
     public void testKt882 () {
-        blackBoxFile("regressions/kt882.jet");
+        blackBoxFile("regressions/kt882.kt");
     }
 
     public void testKt887 () {
-        blackBoxFile("regressions/kt887.jet");
+        blackBoxFile("regressions/kt887.kt");
     }
 
     public void testKt821 () {
@@ -406,7 +406,7 @@ public class PrimitiveTypesTest extends CodegenTestCase {
     }
 
     public void testKt945 () {
-        blackBoxFile("regressions/kt945.jet");
+        blackBoxFile("regressions/kt945.kt");
     }
 
     public void testKt935 () {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/PropertyGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/PropertyGenTest.java
index 423bfa7a65b..edcd064e8d2 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/PropertyGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/PropertyGenTest.java
@@ -82,7 +82,7 @@ public class PropertyGenTest extends CodegenTestCase {
 
     public void testFieldPropertyAccess() throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        loadFile("properties/fieldPropertyAccess.jet");
+        loadFile("properties/fieldPropertyAccess.kt");
 //        System.out.println(generateToText());
         final Method method = generateFunction("increment");
         assertEquals(1, method.invoke(null));
@@ -175,13 +175,13 @@ public class PropertyGenTest extends CodegenTestCase {
 
     public void testKt257 () throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt257.jet");
+        blackBoxFile("regressions/kt257.kt");
 //        System.out.println(generateToText());
     }
 
     public void testKt613 () throws Exception {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt613.jet");
+        blackBoxFile("regressions/kt613.kt");
     }
 
     public void testKt160() throws Exception {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/SafeRefTest.java b/compiler/tests/org/jetbrains/jet/codegen/SafeRefTest.java
index 0d05d8bf10a..f25722d8842 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/SafeRefTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/SafeRefTest.java
@@ -26,18 +26,18 @@ public class SafeRefTest extends CodegenTestCase {
     }
 
     public void test247 () throws Exception {
-        blackBoxFile("regressions/kt247.jet");
+        blackBoxFile("regressions/kt247.kt");
     }
 
     public void test245 () throws Exception {
-        blackBoxFile("regressions/kt245.jet");
+        blackBoxFile("regressions/kt245.kt");
     }
 
     public void test232 () throws Exception {
-        blackBoxFile("regressions/kt232.jet");
+        blackBoxFile("regressions/kt232.kt");
     }
 
     public void test1572 () throws Exception {
-        blackBoxFile("regressions/kt1572.jet");
+        blackBoxFile("regressions/kt1572.kt");
     }
 }
diff --git a/compiler/tests/org/jetbrains/jet/codegen/StdlibTest.java b/compiler/tests/org/jetbrains/jet/codegen/StdlibTest.java
index 087822005c2..fcb226e7dc5 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/StdlibTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/StdlibTest.java
@@ -74,7 +74,7 @@ public class StdlibTest extends CodegenTestCase {
     }
 
     public void testKt789 () {
-        blackBoxFile("regressions/kt789.jet");
+        blackBoxFile("regressions/kt789.kt");
     }
 
     public void testKt828 () {
@@ -86,7 +86,7 @@ public class StdlibTest extends CodegenTestCase {
     }
 
     public void testKt864 () {
-        blackBoxFile("regressions/kt864.jet");
+        blackBoxFile("regressions/kt864.kt");
     }
 
     public void testKt274 () {
@@ -95,14 +95,14 @@ public class StdlibTest extends CodegenTestCase {
 
     //from ClassGenTest
     public void testKt344 () throws Exception {
-        loadFile("regressions/kt344.jet");
+        loadFile("regressions/kt344.kt");
 //        System.out.println(generateToText());
         blackBox();
     }
 
     //from ExtensionFunctionsTest
     public void testGeneric() throws Exception {
-        blackBoxFile("extensionFunctions/generic.jet");
+        blackBoxFile("extensionFunctions/generic.kt");
     }
 
     //from NamespaceGenTest
diff --git a/compiler/tests/org/jetbrains/jet/codegen/StringsTest.java b/compiler/tests/org/jetbrains/jet/codegen/StringsTest.java
index e2f95b305f2..6df980e40d8 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/StringsTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/StringsTest.java
@@ -70,23 +70,23 @@ public class StringsTest extends CodegenTestCase {
     }
 
     public void testRawStrings() throws Exception {
-        blackBoxFile("rawStrings.jet");
+        blackBoxFile("rawStrings.kt");
     }
 
     public void testMultilineStringsWithTemplates() throws Exception {
-        blackBoxFile("multilineStringsWithTemplates.jet");
+        blackBoxFile("multilineStringsWithTemplates.kt");
     }
 
     public void testKt881() throws Exception {
-        blackBoxFile("regressions/kt881.jet");
+        blackBoxFile("regressions/kt881.kt");
     }
 
     public void testKt894() throws Exception {
-        blackBoxFile("regressions/kt894.jet");
+        blackBoxFile("regressions/kt894.kt");
     }
 
     public void testKt889() throws Exception {
-        blackBoxFile("regressions/kt889.jet");
+        blackBoxFile("regressions/kt889.kt");
     }
 
     public void testEa35743() {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/SuperGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/SuperGenTest.java
index 1dd278c3682..8bf1ab881d9 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/SuperGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/SuperGenTest.java
@@ -28,19 +28,19 @@ public class SuperGenTest extends CodegenTestCase {
     }
 
     public void testBasicProperty () {
-        blackBoxFile("/super/basicproperty.jet");
+        blackBoxFile("/super/basicproperty.kt");
     }
 
     public void testTraitProperty () {
-        blackBoxFile("/super/traitproperty.jet");
+        blackBoxFile("/super/traitproperty.kt");
     }
 
     public void testBasicMethodSuperTrait () {
-        blackBoxFile("/super/basicmethodSuperTrait.jet");
+        blackBoxFile("/super/basicmethodSuperTrait.kt");
     }
 
     public void testBasicMethodSuperClass () {
-        blackBoxFile("/super/basicmethodSuperClass.jet");
+        blackBoxFile("/super/basicmethodSuperClass.kt");
     }
 
     public void testInnerClassLabeledSuper() {
@@ -56,11 +56,11 @@ public class SuperGenTest extends CodegenTestCase {
     }
 
     public void testEnclosedFun () {
-        blackBoxFile("/super/enclosedFun.jet");
+        blackBoxFile("/super/enclosedFun.kt");
     }
 
     public void testEnclosedVar () {
-        blackBoxFile("/super/enclosedVar.jet");
+        blackBoxFile("/super/enclosedVar.kt");
     }
 
     public void testKt2887() {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/TraitsTest.java b/compiler/tests/org/jetbrains/jet/codegen/TraitsTest.java
index c1cc1330412..a33df3f0f78 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/TraitsTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/TraitsTest.java
@@ -32,29 +32,29 @@ public class TraitsTest extends CodegenTestCase {
     }
 
     public void testSimple () {
-        blackBoxFile("traits/simple.jet");
+        blackBoxFile("traits/simple.kt");
 //        System.out.println(generateToText());
     }
 
     public void testWithRequired () {
-        blackBoxFile("traits/withRequired.jet");
+        blackBoxFile("traits/withRequired.kt");
 //        System.out.println(generateToText());
     }
 
     public void testMultiple () {
-        blackBoxFile("traits/multiple.jet");
+        blackBoxFile("traits/multiple.kt");
     }
 
     public void testStdlib () {
-        blackBoxFile("traits/stdlib.jet");
+        blackBoxFile("traits/stdlib.kt");
     }
 
     public void testInheritedFun() {
-        blackBoxFile("traits/inheritedFun.jet");
+        blackBoxFile("traits/inheritedFun.kt");
     }
 
     public void testInheritedVar() {
-        blackBoxFile("traits/inheritedVar.jet");
+        blackBoxFile("traits/inheritedVar.kt");
     }
     
     public void testKt2399() {
@@ -74,7 +74,7 @@ public class TraitsTest extends CodegenTestCase {
     }
 
     public void testFinalMethod() throws Exception {
-        blackBoxFile("traits/finalMethod.jet");
+        blackBoxFile("traits/finalMethod.kt");
     }
 
     public void testKt1936_1() throws Exception {
diff --git a/compiler/tests/org/jetbrains/jet/codegen/TypeInfoTest.java b/compiler/tests/org/jetbrains/jet/codegen/TypeInfoTest.java
index 5d30e267dac..27117d3cb74 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/TypeInfoTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/TypeInfoTest.java
@@ -82,7 +82,7 @@ public class TypeInfoTest extends CodegenTestCase {
 
     public void testIsTypeParameter() throws Exception {
 //  todo: obsolete with typeinfo removal
-//        blackBoxFile("typeInfo/isTypeParameter.jet");
+//        blackBoxFile("typeInfo/isTypeParameter.kt");
     }
 
     public void testAsSafeWithGenerics() throws Exception {
@@ -98,22 +98,22 @@ public class TypeInfoTest extends CodegenTestCase {
     }
 
     public void testPrimitiveTypeInfo() throws Exception {
-        blackBoxFile("typeInfo/primitiveTypeInfo.jet");
+        blackBoxFile("typeInfo/primitiveTypeInfo.kt");
     }
 
     public void testNullability() throws Exception {
 //  todo: obsolete with typeinfo removal
-//        blackBoxFile("typeInfo/nullability.jet");
+//        blackBoxFile("typeInfo/nullability.kt");
     }
 
     public void testGenericFunction() throws Exception {
 //  todo: obsolete with typeinfo removal
-//        blackBoxFile("typeInfo/genericFunction.jet");
+//        blackBoxFile("typeInfo/genericFunction.kt");
     }
 
     public void testForwardTypeParameter() throws Exception {
 //  todo: obsolete with typeinfo removal
-//        blackBoxFile("typeInfo/forwardTypeParameter.jet");
+//        blackBoxFile("typeInfo/forwardTypeParameter.kt");
     }
 
     public void testClassObjectInTypeInfo() throws Exception {
@@ -139,17 +139,17 @@ public class TypeInfoTest extends CodegenTestCase {
 
     public void testKt259() throws Exception {
 //  todo: obsolete with typeinfo removal
-//        blackBoxFile("regressions/kt259.jet");
+//        blackBoxFile("regressions/kt259.kt");
 //        System.out.println(generateToText());
     }
 
     public void testKt511() throws Exception {
-        blackBoxFile("regressions/kt511.jet");
+        blackBoxFile("regressions/kt511.kt");
 //        System.out.println(generateToText());
     }
 
     public void testInner() throws Exception {
-        blackBoxFile("typeInfo/inner.jet");
+        blackBoxFile("typeInfo/inner.kt");
 //        System.out.println(generateToText());
     }
 
@@ -158,7 +158,7 @@ public class TypeInfoTest extends CodegenTestCase {
     }
 
     public void testInheritance() throws Exception {
-        blackBoxFile("typeInfo/inheritance.jet");
+        blackBoxFile("typeInfo/inheritance.kt");
 //        System.out.println(generateToText());
     }
 
diff --git a/compiler/tests/org/jetbrains/jet/codegen/VarArgTest.java b/compiler/tests/org/jetbrains/jet/codegen/VarArgTest.java
index 14193f43f8b..26aa7b2c374 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/VarArgTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/VarArgTest.java
@@ -95,12 +95,12 @@ public class VarArgTest extends CodegenTestCase {
 
     public void testKt581() {
         createEnvironmentWithFullJdk();
-        blackBoxFile("regressions/kt581.jet");
+        blackBoxFile("regressions/kt581.kt");
     }
 
     public void testKt797() {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
-        blackBoxFile("regressions/kt796_797.jet");
+        blackBoxFile("regressions/kt796_797.kt");
     }
 
     public void testArrayAsVararg () throws InvocationTargetException, IllegalAccessException {