Merge pull request #53 from bnorm/junit5

Support JVM static functions

.editorconfig

@@ -1,9 +1,16 @@
 root = true
 
 [*]
+charset = utf-8
 end_of_line = lf
 insert_final_newline = true
 
 [*.{kt,kts}]
 indent_style = space
 indent_size = 2
+
+ij_kotlin_code_style_defaults = KOTLIN_OFFICIAL
+ij_kotlin_imports_layout = *,java.**,javax.**,kotlin.**,^
+ij_kotlin_name_count_to_use_star_import = 2147483647
+ij_kotlin_name_count_to_use_star_import_for_members = 2147483647
+ij_kotlin_packages_to_use_import_on_demand = unset

kotlin-power-assert-plugin/build.gradle.kts

@@ -15,7 +15,7 @@ dependencies {
   kapt("com.google.auto.service:auto-service:1.0.1")
   compileOnly("com.google.auto.service:auto-service-annotations:1.0.1")
 
-  testImplementation(kotlin("test-junit"))
+  testImplementation(kotlin("test-junit5"))
   testImplementation("org.jetbrains.kotlin:kotlin-compiler-embeddable")
   testImplementation("com.github.tschuchortdev:kotlin-compile-testing:1.4.6")
 }
@@ -24,6 +24,10 @@ tasks.withType<KotlinCompile> {
   kotlinOptions.jvmTarget = "1.8"
 }
 
+tasks.withType<Test> {
+  useJUnitPlatform()
+}
+
 tasks.dokka {
   outputFormat = "html"
   outputDirectory = "$buildDir/javadoc"

kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/PowerAssertCallTransformer.kt

@@ -18,6 +18,7 @@ package com.bnorm.power
 
 import com.bnorm.power.delegate.FunctionDelegate
 import com.bnorm.power.delegate.LambdaFunctionDelegate
+import com.bnorm.power.delegate.SamConversionLambdaFunctionDelegate
 import com.bnorm.power.delegate.SimpleFunctionDelegate
 import com.bnorm.power.diagram.IrTemporaryVariable
 import com.bnorm.power.diagram.Node
@@ -26,40 +27,44 @@ import com.bnorm.power.diagram.buildTree
 import com.bnorm.power.diagram.info
 import com.bnorm.power.diagram.irDiagramString
 import com.bnorm.power.diagram.substring
-import com.bnorm.power.internal.ReturnableBlockTransformer
 import org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext
 import org.jetbrains.kotlin.backend.common.extensions.IrPluginContext
-import org.jetbrains.kotlin.backend.common.ir.asInlinable
-import org.jetbrains.kotlin.backend.common.ir.inline
 import org.jetbrains.kotlin.backend.common.lower.DeclarationIrBuilder
 import org.jetbrains.kotlin.cli.common.messages.CompilerMessageLocation
 import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity
 import org.jetbrains.kotlin.cli.common.messages.MessageCollector
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.backend.js.utils.asString
-import org.jetbrains.kotlin.ir.builders.irBlock
+import org.jetbrains.kotlin.ir.builders.irCall
 import org.jetbrains.kotlin.ir.builders.irString
 import org.jetbrains.kotlin.ir.builders.parent
 import org.jetbrains.kotlin.ir.declarations.IrFile
 import org.jetbrains.kotlin.ir.declarations.IrFunction
+import org.jetbrains.kotlin.ir.declarations.IrValueParameter
 import org.jetbrains.kotlin.ir.declarations.path
 import org.jetbrains.kotlin.ir.expressions.IrCall
 import org.jetbrains.kotlin.ir.expressions.IrConst
 import org.jetbrains.kotlin.ir.expressions.IrExpression
+import org.jetbrains.kotlin.ir.expressions.IrFunctionExpression
+import org.jetbrains.kotlin.ir.expressions.IrGetValue
 import org.jetbrains.kotlin.ir.expressions.IrStringConcatenation
+import org.jetbrains.kotlin.ir.expressions.IrTypeOperatorCall
 import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
 import org.jetbrains.kotlin.ir.types.IrSimpleType
 import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.types.IrTypeArgument
 import org.jetbrains.kotlin.ir.types.IrTypeProjection
 import org.jetbrains.kotlin.ir.types.IrTypeSystemContextImpl
+import org.jetbrains.kotlin.ir.types.classOrNull
 import org.jetbrains.kotlin.ir.types.classifierOrNull
 import org.jetbrains.kotlin.ir.types.isBoolean
 import org.jetbrains.kotlin.ir.types.isSubtypeOf
+import org.jetbrains.kotlin.ir.types.isSubtypeOfClass
 import org.jetbrains.kotlin.ir.util.deepCopyWithSymbols
+import org.jetbrains.kotlin.ir.util.functions
 import org.jetbrains.kotlin.ir.util.isFunctionOrKFunction
 import org.jetbrains.kotlin.ir.util.kotlinFqName
-import org.jetbrains.kotlin.ir.util.patchDeclarationParents
+import org.jetbrains.kotlin.ir.util.parentClassOrNull
 import org.jetbrains.kotlin.name.FqName
 
 class PowerAssertCallTransformer(
@@ -122,10 +127,6 @@ class PowerAssertCallTransformer(
     val symbol = currentScope!!.scope.scopeOwnerSymbol
     val builder = DeclarationIrBuilder(context, symbol, expression.startOffset, expression.endOffset)
     return builder.diagram(expression, delegate, messageArgument, roots)
-//        .also { println(expression.dump()) }
-//        .also { println(it.dump()) }
-//        .also { println(expression.dumpKotlinLike()) }
-//        .also { println(it.dumpKotlinLike()) }
   }
 
   private fun DeclarationIrBuilder.diagram(
@@ -138,7 +139,8 @@ class PowerAssertCallTransformer(
     variables: List<IrTemporaryVariable> = listOf()
   ): IrExpression {
     if (index >= roots.size) {
-      val prefix = buildMessagePrefix(messageArgument, roots, original)?.deepCopyWithSymbols(parent)
+      val prefix = buildMessagePrefix(messageArgument, delegate.messageParameter, roots, original)
+        ?.deepCopyWithSymbols(parent)
       val diagram = irDiagramString(file, fileSource, prefix, original, variables)
       return delegate.buildCall(this, original, arguments, diagram)
     } else {
@@ -157,18 +159,30 @@ class PowerAssertCallTransformer(
 
   private fun DeclarationIrBuilder.buildMessagePrefix(
     messageArgument: IrExpression?,
+    messageParameter: IrValueParameter,
     roots: List<Node?>,
     original: IrCall
   ): IrExpression? {
     return when {
       messageArgument is IrConst<*> -> messageArgument
       messageArgument is IrStringConcatenation -> messageArgument
-      messageArgument != null -> irBlock {
+      messageArgument is IrGetValue -> {
-        +messageArgument.deepCopyWithSymbols(parent)
+        if (messageArgument.type.isAssignableTo(context.irBuiltIns.stringType)) {
-          .asInlinable(this)
+          return messageArgument
-          .inline(parent)
+        } else {
-          .patchDeclarationParents(scope.getLocalDeclarationParent())
+          val invoke = messageParameter.type.classOrNull!!.functions
-      }.transform(ReturnableBlockTransformer(context, scope.scopeOwnerSymbol), null)
+            .filter { !it.owner.isFakeOverride } // TODO best way to find single access method?
+            .single()
+          irCall(invoke).apply { dispatchReceiver = messageArgument }
+        }
+      }
+      // Kotlin Lambda or SAMs conversion lambda
+      messageArgument is IrFunctionExpression || messageArgument is IrTypeOperatorCall -> {
+        val invoke = messageParameter.type.classOrNull!!.functions
+          .filter { !it.owner.isFakeOverride } // TODO best way to find single access method?
+          .single()
+        irCall(invoke).apply { dispatchReceiver = messageArgument }
+      }
       // TODO what should the default message be?
       roots.size == 1 && original.getValueArgument(0)!!.type.isBoolean() -> irString("Assertion failed")
       else -> null
@@ -179,7 +193,18 @@ class PowerAssertCallTransformer(
     val values = function.valueParameters
     if (values.isEmpty()) return emptyList()
 
-    return context.referenceFunctions(function.kotlinFqName)
+    // Java static functions require searching by class
+    val parentClassFunctions = (
+      function.parentClassOrNull
+        ?.let { context.referenceClass(it.kotlinFqName) }
+        ?.functions ?: emptySequence()
+      )
+      .filter { it.owner.kotlinFqName == function.kotlinFqName }
+      .toList()
+    val possible = (context.referenceFunctions(function.kotlinFqName) + parentClassFunctions)
+      .distinct()
+
+    return possible
       .mapNotNull { overload ->
         val parameters = overload.owner.valueParameters
         if (parameters.size !in values.size..values.size + 1) return@mapNotNull null
@@ -189,8 +214,10 @@ class PowerAssertCallTransformer(
 
         val messageParameter = parameters.last()
         return@mapNotNull when {
-          isStringSupertype(messageParameter.type) -> SimpleFunctionDelegate(overload)
+          isStringSupertype(messageParameter.type) -> SimpleFunctionDelegate(overload, messageParameter)
           isStringFunction(messageParameter.type) -> LambdaFunctionDelegate(overload, messageParameter)
+          isStringJavaSupplierFunction(messageParameter.type) ->
+            SamConversionLambdaFunctionDelegate(overload, messageParameter)
           else -> null
         }
       }
@@ -199,6 +226,12 @@ class PowerAssertCallTransformer(
   private fun isStringFunction(type: IrType): Boolean =
     type.isFunctionOrKFunction() && type is IrSimpleType && (type.arguments.size == 1 && isStringSupertype(type.arguments.first()))
 
+  private fun isStringJavaSupplierFunction(type: IrType): Boolean {
+    val javaSupplier = context.referenceClass(FqName("java.util.function.Supplier"))
+    return javaSupplier != null && type.isSubtypeOfClass(javaSupplier) &&
+      type is IrSimpleType && (type.arguments.size == 1 && isStringSupertype(type.arguments.first()))
+  }
+
   private fun isStringSupertype(argument: IrTypeArgument): Boolean =
     argument is IrTypeProjection && isStringSupertype(argument.type)
 

kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/delegate/FunctionDelegate.kt

@@ -20,6 +20,7 @@ import org.jetbrains.kotlin.ir.builders.IrBuilderWithScope
 import org.jetbrains.kotlin.ir.builders.irCall
 import org.jetbrains.kotlin.ir.builders.parent
 import org.jetbrains.kotlin.ir.declarations.IrFunction
+import org.jetbrains.kotlin.ir.declarations.IrValueParameter
 import org.jetbrains.kotlin.ir.expressions.IrCall
 import org.jetbrains.kotlin.ir.expressions.IrExpression
 import org.jetbrains.kotlin.ir.symbols.IrSimpleFunctionSymbol
@@ -27,6 +28,7 @@ import org.jetbrains.kotlin.ir.util.deepCopyWithSymbols
 
 interface FunctionDelegate {
   val function: IrFunction
+  val messageParameter: IrValueParameter
 
   fun buildCall(
     builder: IrBuilderWithScope,

kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/delegate/LambdaFunctionDelegate.kt

@@ -26,7 +26,7 @@ import org.jetbrains.kotlin.ir.symbols.IrSimpleFunctionSymbol
 
 class LambdaFunctionDelegate(
   private val overload: IrSimpleFunctionSymbol,
-  private val messageParameter: IrValueParameter
+  override val messageParameter: IrValueParameter,
 ) : FunctionDelegate {
   override val function = overload.owner
 

kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/delegate/SamConversionLambdaFunctionDelegate.kt

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2021 Brian Norman
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.bnorm.power.delegate
+
+import com.bnorm.power.irLambda
+import org.jetbrains.kotlin.ir.builders.IrBuilderWithScope
+import org.jetbrains.kotlin.ir.builders.irReturn
+import org.jetbrains.kotlin.ir.builders.typeOperator
+import org.jetbrains.kotlin.ir.declarations.IrValueParameter
+import org.jetbrains.kotlin.ir.expressions.IrCall
+import org.jetbrains.kotlin.ir.expressions.IrExpression
+import org.jetbrains.kotlin.ir.expressions.IrTypeOperator
+import org.jetbrains.kotlin.ir.symbols.IrSimpleFunctionSymbol
+
+class SamConversionLambdaFunctionDelegate(
+  private val overload: IrSimpleFunctionSymbol,
+  override val messageParameter: IrValueParameter,
+) : FunctionDelegate {
+  override val function = overload.owner
+
+  override fun buildCall(
+    builder: IrBuilderWithScope,
+    original: IrCall,
+    arguments: List<IrExpression?>,
+    message: IrExpression
+  ): IrExpression = with(builder) {
+    val lambda = irLambda(context.irBuiltIns.stringType, messageParameter.type) {
+      +irReturn(message)
+    }
+    val expression = typeOperator(messageParameter.type, lambda, IrTypeOperator.SAM_CONVERSION, messageParameter.type)
+    irCallCopy(overload, original, arguments, expression)
+  }
+}

kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/delegate/SimpleFunctionDelegate.kt

@@ -17,12 +17,14 @@
 package com.bnorm.power.delegate
 
 import org.jetbrains.kotlin.ir.builders.IrBuilderWithScope
+import org.jetbrains.kotlin.ir.declarations.IrValueParameter
 import org.jetbrains.kotlin.ir.expressions.IrCall
 import org.jetbrains.kotlin.ir.expressions.IrExpression
 import org.jetbrains.kotlin.ir.symbols.IrSimpleFunctionSymbol
 
 class SimpleFunctionDelegate(
-  private val overload: IrSimpleFunctionSymbol
+  private val overload: IrSimpleFunctionSymbol,
+  override val messageParameter: IrValueParameter,
 ) : FunctionDelegate {
   override val function = overload.owner
 

kotlin-power-assert-plugin/src/main/kotlin/com/bnorm/power/internal/ReturnableBlockTransformer.kt

@@ -1,98 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- *
- * Copied from https://github.com/JetBrains/kotlin/blob/1.4.20/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/ReturnableBlockLowering.kt
- */
-
-package com.bnorm.power.internal
-
-import org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext
-import org.jetbrains.kotlin.backend.common.lower.DeclarationIrBuilder
-import org.jetbrains.kotlin.backend.common.lower.irComposite
-import org.jetbrains.kotlin.ir.builders.*
-import org.jetbrains.kotlin.ir.expressions.*
-import org.jetbrains.kotlin.ir.expressions.impl.*
-import org.jetbrains.kotlin.ir.symbols.IrReturnableBlockSymbol
-import org.jetbrains.kotlin.ir.symbols.IrSymbol
-import org.jetbrains.kotlin.ir.transformStatement
-
-// TODO Remove when inlining works correctly on Kotlin/JS and Kotlin/Native
-class ReturnableBlockTransformer(val context: IrGeneratorContext, val containerSymbol: IrSymbol? = null) : IrElementTransformerVoidWithContext() {
-  private var labelCnt = 0
-  private val returnMap = mutableMapOf<IrReturnableBlockSymbol, (IrReturn) -> IrExpression>()
-
-  override fun visitReturn(expression: IrReturn): IrExpression {
-    expression.transformChildrenVoid()
-    return returnMap[expression.returnTargetSymbol]?.invoke(expression) ?: expression
-  }
-
-  override fun visitContainerExpression(expression: IrContainerExpression): IrExpression {
-    if (expression !is IrReturnableBlock) return super.visitContainerExpression(expression)
-
-    val scopeSymbol = currentScope?.scope?.scopeOwnerSymbol ?: containerSymbol
-    val builder = DeclarationIrBuilder(context, scopeSymbol!!)
-    val variable by lazy {
-      builder.scope.createTmpVariable(expression.type, "tmp\$ret\$${labelCnt++}", true)
-    }
-
-    val loop by lazy {
-      IrDoWhileLoopImpl(
-        expression.startOffset,
-        expression.endOffset,
-        context.irBuiltIns.unitType,
-        expression.origin
-      ).apply {
-        label = "l\$ret\$${labelCnt++}"
-        condition = builder.irBoolean(false)
-      }
-    }
-
-    var hasReturned = false
-
-    returnMap[expression.symbol] = { returnExpression ->
-      hasReturned = true
-      builder.irComposite(returnExpression) {
-        +irSet(variable.symbol, returnExpression.value)
-        +irBreak(loop)
-      }
-    }
-
-    val newStatements = expression.statements.mapIndexed { i, s ->
-      if (i == expression.statements.lastIndex && s is IrReturn && s.returnTargetSymbol == expression.symbol) {
-        s.transformChildrenVoid()
-        if (!hasReturned) s.value else {
-          builder.irSet(variable.symbol, s.value)
-        }
-      } else {
-        s.transformStatement(this)
-      }
-    }
-
-    returnMap.remove(expression.symbol)
-
-    if (!hasReturned) {
-      return IrCompositeImpl(
-        expression.startOffset,
-        expression.endOffset,
-        expression.type,
-        expression.origin,
-        newStatements
-      )
-    } else {
-      loop.body = IrBlockImpl(
-        expression.startOffset,
-        expression.endOffset,
-        context.irBuiltIns.unitType,
-        expression.origin,
-        newStatements
-      )
-
-      return builder.irComposite(expression, expression.origin) {
-        +variable
-        +loop
-        +irGet(variable)
-      }
-    }
-  }
-}

kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/ArithmeticExpressionTest.kt

@@ -16,7 +16,7 @@
 
 package com.bnorm.power
 
-import org.junit.Test
+import kotlin.test.Test
 import kotlin.test.assertEquals
 
 class ArithmeticExpressionTest {

kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/AssertTest.kt

@@ -17,9 +17,9 @@
 package com.bnorm.power
 
 import org.jetbrains.kotlin.name.FqName
-import org.junit.Test
+import kotlin.test.Test
 
-class CompilerTest {
+class AssertTest {
   @Test
   fun memberFunctions() {
     assertMessage(
@@ -77,6 +77,23 @@ assert(1 == 2) { "Not equal" }
     )
   }
 
+  @Test
+  fun customLocalVariableMessage() {
+    assertMessage(
+      """
+fun main() {
+  val lambda = { "Not equal" }
+  assert(1 == 2, lambda) 
+}""",
+      """
+      Not equal
+      assert(1 == 2, lambda)
+               |
+               false
+      """.trimIndent()
+    )
+  }
+
   @Test
   fun booleanExpressionsShortCircuit() {
     assertMessage(

kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/DebugFunctionTest.kt

@@ -19,10 +19,10 @@ package com.bnorm.power
 import com.tschuchort.compiletesting.KotlinCompilation
 import com.tschuchort.compiletesting.SourceFile
 import org.jetbrains.kotlin.name.FqName
-import org.junit.Test
 import java.io.ByteArrayOutputStream
 import java.io.PrintStream
 import java.lang.reflect.InvocationTargetException
+import kotlin.test.Test
 import kotlin.test.assertEquals
 
 class DebugFunctionTest {

kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/Junit5AssertionsTest.kt

@@ -0,0 +1,330 @@
+/*
+ * Copyright (C) 2021 Brian Norman
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.bnorm.power
+
+import org.jetbrains.kotlin.name.FqName
+import kotlin.test.Test
+
+class Junit5AssertionsTest {
+  @Test
+  fun `test JUnit5 Assertions#assertTrue transformation`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertTrue
+      
+      fun main() {
+        assertTrue(1 != 1)
+      }""",
+      """
+      Assertion failed
+      assertTrue(1 != 1)
+                   |
+                   false ==> expected: <true> but was: <false>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertTrue")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertTrue transformation with message`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertTrue
+      
+      fun main() {
+        assertTrue(1 != 1, "Message:")
+      }""",
+      """
+      Message:
+      assertTrue(1 != 1, "Message:")
+                   |
+                   false ==> expected: <true> but was: <false>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertTrue")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertTrue transformation with local variable message`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertTrue
+      
+      fun main() {
+        val message = "Message:"
+        assertTrue(1 != 1, message)
+      }""",
+      """
+      Message:
+      assertTrue(1 != 1, message)
+                   |
+                   false ==> expected: <true> but was: <false>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertTrue")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertTrue transformation with message supplier`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertTrue
+      
+      fun main() {
+        assertTrue(1 != 1) { "Message:" }
+      }""",
+      """
+      Message:
+      assertTrue(1 != 1) { "Message:" }
+                   |
+                   false ==> expected: <true> but was: <false>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertTrue")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertTrue transformation with local variable message supplier`() {
+    assertMessage(
+      """
+      import java.util.function.Supplier
+      import org.junit.jupiter.api.Assertions.assertTrue
+      
+      fun main() {
+        val supplier = Supplier { "Message:" }
+        assertTrue(1 != 1, supplier)
+      }""",
+      """
+      Message:
+      assertTrue(1 != 1, supplier)
+                   |
+                   false ==> expected: <true> but was: <false>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertTrue")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertFalse transformation`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertFalse
+      
+      fun main() {
+        assertFalse(1 == 1)
+      }""",
+      """
+      Assertion failed
+      assertFalse(1 == 1)
+                    |
+                    true ==> expected: <false> but was: <true>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertFalse")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertFalse transformation with message`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertFalse
+      
+      fun main() {
+        assertFalse(1 == 1, "Message:")
+      }""",
+      """
+      Message:
+      assertFalse(1 == 1, "Message:")
+                    |
+                    true ==> expected: <false> but was: <true>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertFalse")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertFalse transformation with local variable message`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertFalse
+      
+      fun main() {
+        val message = "Message:"
+        assertFalse(1 == 1, message)
+      }""",
+      """
+      Message:
+      assertFalse(1 == 1, message)
+                    |
+                    true ==> expected: <false> but was: <true>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertFalse")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertFalse transformation with message supplier`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertFalse
+      
+      fun main() {
+        assertFalse(1 == 1) { "Message:" }
+      }""",
+      """
+      Message:
+      assertFalse(1 == 1) { "Message:" }
+                    |
+                    true ==> expected: <false> but was: <true>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertFalse")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertFalse transformation with local variable message supplier`() {
+    assertMessage(
+      """
+      import java.util.function.Supplier
+      import org.junit.jupiter.api.Assertions.assertFalse
+      
+      fun main() {
+        val supplier = Supplier { "Message:" }
+        assertFalse(1 == 1, supplier)
+      }""",
+      """
+      Message:
+      assertFalse(1 == 1, supplier)
+                    |
+                    true ==> expected: <false> but was: <true>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertFalse")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertEquals transformation`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertEquals
+      
+      fun main() {
+        val greeting = "Hello"
+        val name = "World"
+        assertEquals(greeting, name)
+      }""",
+      """
+      assertEquals(greeting, name)
+                   |         |
+                   |         World
+                   Hello ==> expected: <Hello> but was: <World>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertEquals")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertEquals transformation with message`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertEquals
+      
+      fun main() {
+        val greeting = "Hello"
+        val name = "World"
+        assertEquals(greeting, name, "Message:")
+      }""",
+      """
+      Message:
+      assertEquals(greeting, name, "Message:")
+                   |         |
+                   |         World
+                   Hello ==> expected: <Hello> but was: <World>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertEquals")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertEquals transformation with local variable message`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertEquals
+      
+      fun main() {
+        val greeting = "Hello"
+        val name = "World"
+        val message = "Message:"
+        assertEquals(greeting, name, message)
+      }""",
+      """
+      Message:
+      assertEquals(greeting, name, message)
+                   |         |
+                   |         World
+                   Hello ==> expected: <Hello> but was: <World>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertEquals")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertEquals transformation with message supplier`() {
+    assertMessage(
+      """
+      import org.junit.jupiter.api.Assertions.assertEquals
+      
+      fun main() {
+        val greeting = "Hello"
+        val name = "World"
+        assertEquals(greeting, name) { "Message:" }
+      }""",
+      """
+      Message:
+      assertEquals(greeting, name) { "Message:" }
+                   |         |
+                   |         World
+                   Hello ==> expected: <Hello> but was: <World>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertEquals")))
+    )
+  }
+
+  @Test
+  fun `test JUnit5 Assertions#assertEquals transformation with local variable message supplier`() {
+    assertMessage(
+      """
+      import java.util.function.Supplier
+      import org.junit.jupiter.api.Assertions.assertEquals
+      
+      fun main() {
+        val greeting = "Hello"
+        val name = "World"
+        val supplier = Supplier { "Message:" }
+        assertEquals(greeting, name, supplier)
+      }""",
+      """
+      Message:
+      assertEquals(greeting, name, supplier)
+                   |         |
+                   |         World
+                   Hello ==> expected: <Hello> but was: <World>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("org.junit.jupiter.api.Assertions.assertEquals")))
+    )
+  }
+}

kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/KotlinTestAssertTest.kt

@@ -17,9 +17,9 @@
 package com.bnorm.power
 
 import org.jetbrains.kotlin.name.FqName
-import org.junit.Test
+import kotlin.test.Test
 
-class AssertLibraryTest {
+class KotlinTestAssertTest {
   @Test
   fun `test assertTrue transformation`() {
     assertMessage(
@@ -58,6 +58,26 @@ class AssertLibraryTest {
     )
   }
 
+  @Test
+  fun `test assertTrue transformation with local variable message`() {
+    assertMessage(
+      """
+      import kotlin.test.assertTrue
+      
+      fun main() {
+        val message = "Message:"
+        assertTrue(1 != 1, message)
+      }""",
+      """
+      Message:
+      assertTrue(1 != 1, message)
+                   |
+                   false
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("kotlin.test.assertTrue")))
+    )
+  }
+
   @Test
   fun `test assertFalse transformation`() {
     assertMessage(
@@ -96,6 +116,26 @@ class AssertLibraryTest {
     )
   }
 
+  @Test
+  fun `test assertFalse transformation with local variable message`() {
+    assertMessage(
+      """
+      import kotlin.test.assertFalse
+      
+      fun main() {
+        val message = "Message:"
+        assertFalse(1 == 1, message)
+      }""",
+      """
+      Message:
+      assertFalse(1 == 1, message)
+                    |
+                    true
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("kotlin.test.assertFalse")))
+    )
+  }
+
   @Test
   fun `test assertEquals transformation`() {
     assertMessage(
@@ -111,7 +151,7 @@ class AssertLibraryTest {
       assertEquals(greeting, name)
                    |         |
                    |         World
-                   Hello expected:<[Hello]> but was:<[World]>
+                   Hello ==> expected: <Hello> but was: <World>
       """.trimIndent(),
       PowerAssertComponentRegistrar(setOf(FqName("kotlin.test.assertEquals")))
     )
@@ -133,7 +173,30 @@ class AssertLibraryTest {
       assertEquals(greeting, name, "Message:")
                    |         |
                    |         World
-                   Hello expected:<[Hello]> but was:<[World]>
+                   Hello ==> expected: <Hello> but was: <World>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("kotlin.test.assertEquals")))
+    )
+  }
+
+  @Test
+  fun `test assertEquals transformation with local variable message`() {
+    assertMessage(
+      """
+      import kotlin.test.assertEquals
+      
+      fun main() {
+        val greeting = "Hello"
+        val name = "World"
+        val message = "Message:"
+        assertEquals(greeting, name, message)
+      }""",
+      """
+      Message:
+      assertEquals(greeting, name, message)
+                   |         |
+                   |         World
+                   Hello ==> expected: <Hello> but was: <World>
       """.trimIndent(),
       PowerAssertComponentRegistrar(setOf(FqName("kotlin.test.assertEquals")))
     )
@@ -152,7 +215,7 @@ class AssertLibraryTest {
       """
       assertNotNull(name)
                     |
-                    null
+                    null ==> expected: not <null>
       """.trimIndent(),
       PowerAssertComponentRegistrar(setOf(FqName("kotlin.test.assertNotNull")))
     )
@@ -172,7 +235,28 @@ class AssertLibraryTest {
       Message:
       assertNotNull(name, "Message:")
                     |
-                    null
+                    null ==> expected: not <null>
+      """.trimIndent(),
+      PowerAssertComponentRegistrar(setOf(FqName("kotlin.test.assertNotNull")))
+    )
+  }
+
+  @Test
+  fun `test assertNotNull transformation with local variable message`() {
+    assertMessage(
+      """
+      import kotlin.test.assertNotNull
+      
+      fun main() {
+        val name: String? = null
+        val message = "Message:"
+        assertNotNull(name, message)
+      }""",
+      """
+      Message:
+      assertNotNull(name, message)
+                    |
+                    null ==> expected: not <null>
       """.trimIndent(),
       PowerAssertComponentRegistrar(setOf(FqName("kotlin.test.assertNotNull")))
     )

kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/LamdaTest.kt

@@ -17,7 +17,7 @@
 package com.bnorm.power
 
 import org.jetbrains.kotlin.name.FqName
-import org.junit.Test
+import kotlin.test.Test
 
 class LamdaTest {
   @Test

kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/MultiParameterFunctionTest.kt

@@ -19,10 +19,10 @@ package com.bnorm.power
 import com.tschuchort.compiletesting.KotlinCompilation
 import com.tschuchort.compiletesting.SourceFile
 import org.jetbrains.kotlin.name.FqName
-import org.junit.Test
 import java.io.ByteArrayOutputStream
 import java.io.PrintStream
 import java.lang.reflect.InvocationTargetException
+import kotlin.test.Test
 import kotlin.test.assertEquals
 
 class MultiParameterFunctionTest {

kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/RegexMatchTest.kt

@@ -16,7 +16,7 @@
 
 package com.bnorm.power
 
-import org.junit.Test
+import kotlin.test.Test
 import kotlin.test.assertEquals
 
 class RegexMatchTest {

kotlin-power-assert-plugin/src/test/kotlin/com/bnorm/power/compiler.kt

@@ -62,7 +62,7 @@ fun executeAssertion(
     }
     fail("should have thrown assertion")
   } catch (t: Throwable) {
-    return t.message!!
+    return t.message ?: ""
   }
 }
 

sample/build.gradle.kts

@@ -32,7 +32,7 @@ kotlin {
     }
     val jvmTest by getting {
       dependencies {
-        implementation(kotlin("test-junit"))
+        implementation(kotlin("test-junit5"))
       }
     }
     val jsTest by getting {
@@ -49,6 +49,10 @@ kotlin {
   }
 }
 
+tasks.withType<Test> {
+  useJUnitPlatform()
+}
+
 configure<com.bnorm.power.PowerAssertGradleExtension> {
   functions = listOf(
     "kotlin.assert",