| // Copyright (c) 2018, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.kotlin.lambda; |
| |
| import static com.android.tools.r8.utils.PredicateUtils.not; |
| import static junit.framework.TestCase.assertEquals; |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.junit.Assume.assumeFalse; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.KotlinTestBase; |
| import com.android.tools.r8.KotlinTestParameters; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestRuntime.CfVm; |
| import com.android.tools.r8.ToolHelper.DexVm.Version; |
| import com.android.tools.r8.references.ClassReference; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.HorizontallyMergedClassesInspector; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Sets; |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class KotlinLambdaMergingSingletonTest extends KotlinTestBase { |
| |
| private final boolean allowAccessModification; |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}, {1}, allow access modification: {2}") |
| public static Collection<Object[]> data() { |
| return buildParameters( |
| getTestParameters() |
| .withCfRuntime(CfVm.last()) |
| .withDexRuntime(Version.last()) |
| .withAllApiLevels() |
| .build(), |
| getKotlinTestParameters().withAllCompilersAndTargetVersions().build(), |
| BooleanUtils.values()); |
| } |
| |
| public KotlinLambdaMergingSingletonTest( |
| TestParameters parameters, |
| KotlinTestParameters kotlinParameters, |
| boolean allowAccessModification) { |
| super(kotlinParameters); |
| this.allowAccessModification = allowAccessModification; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testJVM() throws Exception { |
| assumeFalse(allowAccessModification); |
| assumeTrue(parameters.isCfRuntime()); |
| assumeTrue(kotlinParameters.isFirst()); |
| testForJvm() |
| .addProgramFiles(getProgramFiles()) |
| .run(parameters.getRuntime(), getMainClassName()) |
| .assertSuccessWithOutput(getExpectedOutput()); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramFiles(getProgramFiles()) |
| .addKeepMainRule(getMainClassName()) |
| .addHorizontallyMergedClassesInspector(this::inspect) |
| .allowAccessModification(allowAccessModification) |
| .allowDiagnosticWarningMessages() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .assertAllWarningMessagesMatch( |
| containsString("Resource 'META-INF/MANIFEST.MF' already exists.")) |
| .run(parameters.getRuntime(), getMainClassName()) |
| .assertSuccessWithOutput(getExpectedOutput()); |
| } |
| |
| private void inspect(HorizontallyMergedClassesInspector inspector) throws IOException { |
| // Get the Kotlin lambdas in the input. |
| KotlinLambdasInInput lambdasInInput = |
| KotlinLambdasInInput.create(getProgramFiles(), getTestName()); |
| assertEquals(2, lambdasInInput.getNumberOfJStyleLambdas()); |
| assertEquals(7, lambdasInInput.getNumberOfKStyleLambdas()); |
| |
| // All J-style Kotlin lambdas should be merged into one class. |
| inspector.assertIsCompleteMergeGroup(lambdasInInput.getJStyleLambdas()); |
| |
| // A subset of the K-style Kotlin lambdas should be merged into one class. |
| Set<ClassReference> kStyleLambdaMergeGroup = |
| Sets.newHashSet( |
| lambdasInInput.getKStyleLambdaReferenceFromTypeName( |
| getTestName(), "MainKt$test2$$inlined$process$1"), |
| lambdasInInput.getKStyleLambdaReferenceFromTypeName( |
| getTestName(), "MainKt$test2$$inlined$process$2"), |
| lambdasInInput.getKStyleLambdaReferenceFromTypeName( |
| getTestName(), "MainKt$test2$$inlined$process$3"), |
| lambdasInInput.getKStyleLambdaReferenceFromTypeName( |
| getTestName(), "MainKt$test2$$inlined$process$4")); |
| if (allowAccessModification) { |
| kStyleLambdaMergeGroup.add( |
| lambdasInInput.getKStyleLambdaReferenceFromTypeName( |
| getTestName(), "MainKt$test2$lambda$1")); |
| } |
| inspector.assertIsCompleteMergeGroup(kStyleLambdaMergeGroup); |
| |
| // The remaining lambdas are not merged. |
| inspector.assertClassReferencesNotMerged( |
| lambdasInInput.getAllLambdas().stream() |
| .filter(not(lambdasInInput::isJStyleLambda)) |
| .filter(not(kStyleLambdaMergeGroup::contains)) |
| .collect(Collectors.toSet())); |
| } |
| |
| private String getExpectedOutput() { |
| return StringUtils.lines( |
| "(*000*001*002*003*004*005*006*007*008*009*)", |
| "(*000*001*002*003*004*005*006*007*008*009*)", |
| "(*010*011*)", |
| "(*012*013*014*)", |
| "(*015*016*)", |
| "(*017*018*019*)"); |
| } |
| |
| private Path getJavaJarFile() { |
| return getJavaJarFile(getTestName()); |
| } |
| |
| private String getMainClassName() { |
| return getTestName() + ".MainKt"; |
| } |
| |
| private List<Path> getProgramFiles() { |
| Path kotlinJarFile = |
| getCompileMemoizer(getKotlinFilesInResource(getTestName()), getTestName()) |
| .configure(kotlinCompilerTool -> kotlinCompilerTool.includeRuntime().noReflect()) |
| .getForConfiguration(kotlinc, targetVersion); |
| return ImmutableList.of(kotlinJarFile, getJavaJarFile(), kotlinc.getKotlinAnnotationJar()); |
| } |
| |
| private String getTestName() { |
| return "lambdas_singleton"; |
| } |
| } |