Add 'mute' concept: move tests with unexpected behaviour to the corresponding folder

2018-09-25 12:16:29 +03:00
parent 84dc28374c
commit ecb3f10e47
48 changed files with 1505 additions and 913 deletions
@@ -0,0 +1,58 @@
+// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
+// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER -UNUSED_VARIABLE
+// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
+// !WITH_FUNCTIONS
+
+/*
+ KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (NEGATIVE)
+
+ SECTION: contracts
+ CATEGORIES: declarations, contractBuilder, common
+ NUMBER: 14
+ DESCRIPTION: Contract is first statement in control flow terms, but not in tokens order terms.
+ UNEXPECTED BEHAVIOUR
+ ISSUES: KT-26153
+ */
+
+import kotlin.contracts.*
+
+internal inline fun case_1(block: () -> Unit) {
+    return contract {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    }
+}
+
+fun case_2() = contract { }
+
+inline fun case_3(block: () -> Unit) {
+    val value_1 = contract {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    }
+    block()
+}
+
+inline fun case_4(block: () -> Unit) {
+    (contract {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    })
+    return block()
+}
+
+inline fun case_5(block: () -> Unit) {
+    <!REDUNDANT_LABEL_WARNING!>test@<!> contract {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    }
+    return block()
+}
+
+inline fun case_6(block: () -> Unit) {
+    throw Exception(contract {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    }.toString())
+}
+
+inline fun case_7(block: () -> Unit) {
+    _funWithAnyArg(contract {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    })
+}
@@ -0,0 +1,11 @@
+package
+
+public fun _funWithAnyArg(/*0*/ value_1: kotlin.Any): kotlin.Int
+public fun _funWithoutArgs(): kotlin.Int
+internal inline fun case_1(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+public fun case_2(): kotlin.Unit
+public inline fun case_3(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+public inline fun case_4(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+public inline fun case_5(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+public inline fun case_6(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+public inline fun case_7(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
@@ -3,12 +3,12 @@
 // !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts

 /*
- KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (POSITIVE)
+ KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (NEGATIVE)

 SECTION: contracts
- CATEGORY: declarations, contractBuilder, common
- NUMBER: 5
- DESCRIPTION: contracts with not allowed conditions with boolean constants or constant expressions in implies.
+ CATEGORIES: declarations, contractBuilder, common
+ NUMBER: 15
+ DESCRIPTION: contracts with not allowed conditions with boolean constants or boolean constant expressions in implies.
 UNEXPECTED BEHAVIOUR
 ISSUES: KT-26491
 */
@@ -0,0 +1,54 @@
+// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
+// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER -UNUSED_VARIABLE
+// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
+
+/*
+ KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (NEGATIVE)
+
+ SECTION: contracts
+ CATEGORIES: declarations, contractBuilder, common
+ NUMBER: 16
+ DESCRIPTION: Contract isn't in the first position.
+ UNEXPECTED BEHAVIOUR
+ ISSUES: KT-26191
+ */
+
+import kotlin.contracts.*
+
+fun case_1(value_1: Int?) {
+    println("!")
+    contract {
+        returns(true) implies (value_1 != null)
+    } <!CAST_NEVER_SUCCEEDS!>as<!> ContractBuilder
+}
+
+fun case_2(value_1: Int?) {
+    100 + 10
+    throw Exception(contract {
+        returns(true) implies (value_1 != null)
+    }.toString())
+}
+
+fun case_3(value_1: Int?) {
+    for (i in 0..10) {
+        println(i)
+    }
+    return contract {
+        returns(true) implies (value_1 != null)
+    }
+}
+
+fun case_4(value_1: Int?) {
+    val f = 10 - 20
+    val g = contract {
+        returns(true) implies (value_1 != null)
+    }
+}
+
+fun case_5(number: Int?): Boolean {
+    val value_1 = number != null
+    contract {
+        returns(false) implies (value_1)
+    } <!CAST_NEVER_SUCCEEDS!>as<!> ContractBuilder
+    return number == null
+}
@@ -0,0 +1,7 @@
+package
+
+public fun case_1(/*0*/ value_1: kotlin.Int?): kotlin.Unit
+public fun case_2(/*0*/ value_1: kotlin.Int?): kotlin.Unit
+public fun case_3(/*0*/ value_1: kotlin.Int?): kotlin.Unit
+public fun case_4(/*0*/ value_1: kotlin.Int?): kotlin.Unit
+public fun case_5(/*0*/ number: kotlin.Int?): kotlin.Boolean
@@ -0,0 +1,31 @@
+// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
+// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER -UNUSED_VARIABLE -UNUSED_PARAMETER -UNREACHABLE_CODE -UNUSED_EXPRESSION
+// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
+
+/*
+ KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (NEGATIVE)
+
+ SECTION: contracts
+ CATEGORIES: declarations, contractBuilder, common
+ NUMBER: 17
+ DESCRIPTION: contracts with Nothing expressions in implies.
+ DISCUSSION
+ ISSUES: KT-25948
+ */
+
+import kotlin.contracts.*
+
+fun case_1(): Boolean {
+    <!ERROR_IN_CONTRACT_DESCRIPTION!>contract<!> { returns(null) implies throw Exception() }
+    return true
+}
+
+fun case_2(): Boolean {
+    <!ERROR_IN_CONTRACT_DESCRIPTION!>contract<!> { returns(null) implies return return return false }
+    return true
+}
+
+fun case_3(): Boolean {
+    <!ERROR_IN_CONTRACT_DESCRIPTION!>contract<!> { returns(null) implies return return return false && throw throw throw throw Exception() }
+    return true
+}
@@ -0,0 +1,5 @@
+package
+
+public fun case_1(): kotlin.Boolean
+public fun case_2(): kotlin.Boolean
+public fun case_3(): kotlin.Boolean
@@ -19,7 +19,7 @@ fun case_1(): Boolean {
 }

 fun case_2(): Boolean {
-    contract { returnsNotNull() implies (return return <!RETURN_TYPE_MISMATCH!>return<!>) }
+    contract { returnsNotNull() implies (return return return true) }
    return true
 }

@@ -28,30 +28,21 @@ fun case_3(): Boolean {
    return true
 }

-/*
- UNEXPECTED BEHAVIOUR
- ISSUES: KT-25948
- */
-fun case_4(): Boolean {
-    contract { returns(null) implies throw Exception() }
-    return true
-}
-
 /*
 UNEXPECTED BEHAVIOUR
 ISSUES: KT-26386
 */
-fun case_5(): Boolean? {
-    contract { returns(null) implies case_5() }
+fun case_4(): Boolean? {
+    contract { returns(null) implies case_4() }
    return null
 }

-fun case_6(): Boolean? {
+fun case_5(): Boolean? {
    contract { returns(null) implies <!TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH, ERROR_IN_CONTRACT_DESCRIPTION!>listOf(0)<!> }
    return null
 }

-fun case_7(value_1: Boolean): Boolean? {
+fun case_6(value_1: Boolean): Boolean? {
    contract { returns(null) implies <!TYPE_MISMATCH, ERROR_IN_CONTRACT_DESCRIPTION!>contract { returns(null) implies (!value_1) }<!> }
    return null
 }
@@ -1,7 +1,6 @@
 // !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
-// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER -UNUSED_VARIABLE
+// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
 // !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
-// !WITH_FUNCTIONS

 /*
 KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (POSITIVE)
@@ -9,50 +8,17 @@
 SECTION: contracts
 CATEGORIES: declarations, contractBuilder, common
 NUMBER: 2
- DESCRIPTION: Contract is first statement in control flow terms, but not in tokens order terms.
- UNEXPECTED BEHAVIOUR
- ISSUES: KT-26153
+ DESCRIPTION: Functions with contract and builder lambda in parentheses.
 */

 import kotlin.contracts.*

-internal inline fun case_1(block: () -> Unit) {
-    return contract {
-        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
-    }
-}
-
-fun case_2() = contract { }
-
-inline fun case_3(block: () -> Unit) {
-    val value_1 = contract {
-        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
-    }
-    block()
-}
-
-inline fun case_4(block: () -> Unit) {
-    (contract {
-        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
-    })
+inline fun case_1(block: () -> Unit) {
+    contract({ callsInPlace(block, InvocationKind.EXACTLY_ONCE) })
    return block()
 }

-inline fun case_5(block: () -> Unit) {
-    <!REDUNDANT_LABEL_WARNING!>test@<!> contract {
-        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
-    }
+inline fun case_2(block: () -> Unit) {
+    contract(builder = { callsInPlace(block, InvocationKind.EXACTLY_ONCE) })
    return block()
 }
-
-inline fun case_6(block: () -> Unit) {
-    throw Exception(contract {
-        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
-    }.toString())
-}
-
-inline fun case_7(block: () -> Unit) {
-    _funWithAnyArg(contract {
-        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
-    })
-}
@@ -1,11 +1,8 @@
 package

-public fun _funWithAnyArg(/*0*/ value_1: kotlin.Any): kotlin.Int
-public fun _funWithoutArgs(): kotlin.Int
-internal inline fun case_1(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
-public fun case_2(): kotlin.Unit
-public inline fun case_3(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
-public inline fun case_4(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
-public inline fun case_5(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
-public inline fun case_6(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
-public inline fun case_7(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+public inline fun case_1(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+    CallsInPlace(block, EXACTLY_ONCE)
+
+public inline fun case_2(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+    CallsInPlace(block, EXACTLY_ONCE)
+
@@ -1,5 +1,5 @@
 // !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
-// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
+// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER -UNUSED_VARIABLE
 // !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts

 /*
@@ -8,17 +8,47 @@
 SECTION: contracts
 CATEGORIES: declarations, contractBuilder, common
 NUMBER: 3
- DESCRIPTION: Functions with contract and builder lambda in parentheses.
+ DESCRIPTION: Contract isn't in the first position.
+ UNEXPECTED BEHAVIOUR
+ ISSUES: KT-26191
 */

 import kotlin.contracts.*

-inline fun case_1(block: () -> Unit) {
-    contract({ callsInPlace(block, InvocationKind.EXACTLY_ONCE) })
-    return block()
+fun case_1(value_1: Int?) {
+    println("!")
+    contract {
+        returns(true) implies (value_1 != null)
+    } <!CAST_NEVER_SUCCEEDS!>as<!> ContractBuilder
 }

-inline fun case_2(block: () -> Unit) {
-    contract(builder = { callsInPlace(block, InvocationKind.EXACTLY_ONCE) })
-    return block()
+fun case_2(value_1: Int?) {
+    100 + 10
+    throw Exception(contract {
+        returns(true) implies (value_1 != null)
+    }.toString())
+}
+
+fun case_3(value_1: Int?) {
+    for (i in 0..10) {
+        println(i)
+    }
+    return contract {
+        returns(true) implies (value_1 != null)
+    }
+}
+
+fun case_4(value_1: Int?) {
+    val f = 10 - 20
+    val g = contract {
+        returns(true) implies (value_1 != null)
+    }
+}
+
+fun case_5(number: Int?): Boolean {
+    val value_1 = number != null
+    contract {
+        returns(false) implies (value_1)
+    } <!CAST_NEVER_SUCCEEDS!>as<!> ContractBuilder
+    return number == null
 }
@@ -1,8 +1,7 @@
 package

-public inline fun case_1(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
-    CallsInPlace(block, EXACTLY_ONCE)
-
-public inline fun case_2(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
-    CallsInPlace(block, EXACTLY_ONCE)
-
+public fun case_1(/*0*/ value_1: kotlin.Int?): kotlin.Unit
+public fun case_2(/*0*/ value_1: kotlin.Int?): kotlin.Unit
+public fun case_3(/*0*/ value_1: kotlin.Int?): kotlin.Unit
+public fun case_4(/*0*/ value_1: kotlin.Int?): kotlin.Unit
+public fun case_5(/*0*/ number: kotlin.Int?): kotlin.Boolean
@@ -1,5 +1,5 @@
 // !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
-// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER -UNUSED_VARIABLE
+// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER -UNUSED_VARIABLE -UNUSED_PARAMETER -UNREACHABLE_CODE -UNUSED_EXPRESSION
 // !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts

 /*
@@ -8,47 +8,19 @@
 SECTION: contracts
 CATEGORIES: declarations, contractBuilder, common
 NUMBER: 4
- DESCRIPTION: Contract isn't in the first position.
+ DESCRIPTION: contracts with not allowed conditions with boolean constants or constant expressions in implies.
 UNEXPECTED BEHAVIOUR
- ISSUES: KT-26191
+ ISSUES: KT-26491
 */

 import kotlin.contracts.*

-fun case_1(value_1: Int?) {
-    println("!")
-    contract {
-        returns(true) implies (value_1 != null)
-    } <!CAST_NEVER_SUCCEEDS!>as<!> ContractBuilder
+fun case_1(): Boolean {
+    contract { returns(true) implies true }
+    return true
 }

-fun case_2(value_1: Int?) {
-    100 + 10
-    throw Exception(contract {
-        returns(true) implies (value_1 != null)
-    }.toString())
-}
-
-fun case_3(value_1: Int?) {
-    for (i in 0..10) {
-        println(i)
-    }
-    return contract {
-        returns(true) implies (value_1 != null)
-    }
-}
-
-fun case_4(value_1: Int?) {
-    val f = 10 - 20
-    val g = contract {
-        returns(true) implies (value_1 != null)
-    }
-}
-
-fun case_5(number: Int?): Boolean {
-    val value_1 = number != null
-    contract {
-        returns(false) implies (value_1)
-    } <!CAST_NEVER_SUCCEEDS!>as<!> ContractBuilder
-    return number == null
-}
+fun case_2(): Boolean {
+    contract { returns(true) implies (true || false) }
+    return true || false
+}
@@ -1,7 +1,7 @@
 package

-public fun case_1(/*0*/ value_1: kotlin.Int?): kotlin.Unit
-public fun case_2(/*0*/ value_1: kotlin.Int?): kotlin.Unit
-public fun case_3(/*0*/ value_1: kotlin.Int?): kotlin.Unit
-public fun case_4(/*0*/ value_1: kotlin.Int?): kotlin.Unit
-public fun case_5(/*0*/ number: kotlin.Int?): kotlin.Boolean
+public fun case_1(): kotlin.Boolean
+    Returns(TRUE) -> TRUE
+
+public fun case_2(): kotlin.Boolean
+    Returns(TRUE) -> TRUE || FALSE
@@ -0,0 +1,32 @@
+// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
+// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
+// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
+
+/*
+ KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (NEGATIVE)
+
+ SECTION: contracts
+ CATEGORIES: declarations, contractBuilder, effects, callsInPlace
+ NUMBER: 2
+ DESCRIPTION: functions with contract and duplicate CallsInPlace.
+ UNEXPECTED BEHAVIOUR
+ ISSUES: KT-26150
+ */
+
+import kotlin.contracts.*
+
+inline fun case_1(block: () -> Unit) {
+    contract {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    }
+    return block()
+}
+
+inline fun case_2(block: () -> Unit) {
+    contract {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+        callsInPlace(block, InvocationKind.AT_MOST_ONCE)
+    }
+    return block()
+}
@@ -0,0 +1,9 @@
+package
+
+public inline fun case_1(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+    CallsInPlace(block, EXACTLY_ONCE)
+    CallsInPlace(block, EXACTLY_ONCE)
+
+public inline fun case_2(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+    CallsInPlace(block, EXACTLY_ONCE)
+    CallsInPlace(block, AT_MOST_ONCE)
@@ -1,5 +1,5 @@
 // !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
-// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
+// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER -UNUSED_VARIABLE
 // !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts

 /*
@@ -8,25 +8,19 @@
 SECTION: contracts
 CATEGORIES: declarations, contractBuilder, effects, callsInPlace
 NUMBER: 2
- DESCRIPTION: functions with contract and duplicate CallsInPlace.
+ DESCRIPTION: Contract with 'this' in first parameter of CallsInPlace.
+ DISCUSSION
 UNEXPECTED BEHAVIOUR
- ISSUES: KT-26150
+ ISSUES: KT-26294
 */

 import kotlin.contracts.*

-inline fun case_1(block: () -> Unit) {
+inline fun <T : Function0<*>> T.case_1(block: () -> Unit) {
    contract {
-        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+        callsInPlace(this@case_1, InvocationKind.EXACTLY_ONCE)
        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
    }
-    return block()
-}
-
-inline fun case_2(block: () -> Unit) {
-    contract {
-        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
-        callsInPlace(block, InvocationKind.AT_MOST_ONCE)
-    }
-    return block()
+    block()
+    this@case_1()
 }
@@ -1,9 +1,6 @@
 package

-public inline fun case_1(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
-    CallsInPlace(block, EXACTLY_ONCE)
+public inline fun </*0*/ T : kotlin.Function0<*>> T.case_1(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+    CallsInPlace(<this>, EXACTLY_ONCE)
    CallsInPlace(block, EXACTLY_ONCE)

-public inline fun case_2(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
-    CallsInPlace(block, EXACTLY_ONCE)
-    CallsInPlace(block, AT_MOST_ONCE)
@@ -42,10 +42,7 @@ object case_3 {
    }
 }

-/*
- UNEXPECTED BEHAVIOUR
- ISSUES: KT-26244
- */
+// ISSUES: KT-26244
 class case_4 : _ClassLevel3() {
    fun <T : Number?>T.case_4_1(): Boolean {
        <!CONTRACT_NOT_ALLOWED!>contract<!> { returns(false) implies (<!USELESS_IS_CHECK!>this@case_4 !is _ClassLevel1<!>) }
@@ -79,10 +76,7 @@ class case_4 : _ClassLevel3() {
    fun case_4_5() = _ClassLevel3().case_4_5_wrap()
 }

-/*
- UNEXPECTED BEHAVIOUR
- ISSUES: KT-26244
- */
+// ISSUES: KT-26244
 class case_5<T> : _ClassLevel5() {
    inner class case_5_1 {
        fun <K : Number?>K.case_5_1_1() {
@@ -0,0 +1,27 @@
+// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
+// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
+// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
+
+/*
+ KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (NEGATIVE)
+
+ SECTION: contracts
+ CATEGORIES: declarations, contractFunction
+ NUMBER: 3
+ DESCRIPTION: Check that fun with contract and CallsInPlace effect is an inline function.
+ UNEXPECTED BEHAVIOUR
+ ISSUES: KT-26126
+ */
+
+import kotlin.contracts.*
+
+fun funWithContractExactlyOnce(block: () -> Unit) { // report about not-inline function is expected
+    contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
+    return block()
+}
+
+fun case_1() {
+    val value_1: Int
+    funWithContractExactlyOnce { value_1 = 10 } // back-end exception
+    value_1.inc()
+}
@@ -0,0 +1,5 @@
+package
+
+public fun case_1(): kotlin.Unit
+public fun funWithContractExactlyOnce(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
+    CallsInPlace(block, EXACTLY_ONCE)
@@ -1,4 +1,4 @@
-// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
+// !LANGUAGE: +AllowContractsForCustomFunctions +UseReturnsEffect
 // !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
 // !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts

@@ -8,20 +8,30 @@
 SECTION: contracts
 CATEGORIES: declarations, contractFunction
 NUMBER: 1
- DESCRIPTION: Check that fun with contract and CallsInPlace effect is an inline function.
- UNEXPECTED BEHAVIOUR
- ISSUES: KT-26126
+ DESCRIPTION: Contract function usage before declaration it
 */

 import kotlin.contracts.*

-fun funWithContractExactlyOnce(block: () -> Unit) { // report about not-inline function is expected
-    contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
-    return block()
+fun case_1_1(x: Any?) {
+    if (case_1_2(x)) {
+        <!DEBUG_INFO_SMARTCAST!>x<!>.length
+    }
 }

-fun case_1() {
-    val value_1: Int
-    funWithContractExactlyOnce { value_1 = 10 } // back-end exception
-    value_1.inc()
+fun case_2_1(x: Number?) {
+    case_2_2(x)
+    println(<!DEBUG_INFO_SMARTCAST!>x<!>.toByte())
 }
+
+fun case_1_2(x: Any?): Boolean {
+    contract { returns(true) implies (x is String) }
+    return x is String
+}
+
+fun case_2_2(x: Any?) {
+    contract { returns() implies(x != null) }
+    if (x == null) throw Exception()
+}
+
+
@@ -1,5 +1,10 @@
 package

-public fun case_1(): kotlin.Unit
-public fun funWithContractExactlyOnce(/*0*/ block: () -> kotlin.Unit): kotlin.Unit
-    CallsInPlace(block, EXACTLY_ONCE)
+public fun case_1_1(/*0*/ x: kotlin.Any?): kotlin.Unit
+public fun case_1_2(/*0*/ x: kotlin.Any?): kotlin.Boolean
+    Returns(TRUE) -> x is String
+
+public fun case_2_1(/*0*/ x: kotlin.Number?): kotlin.Unit
+public fun case_2_2(/*0*/ x: kotlin.Any?): kotlin.Unit
+    Returns(WILDCARD) -> x != null
+