| // 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; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isRenamed; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| |
| import com.android.tools.r8.KotlinTestBase; |
| import com.android.tools.r8.R8TestRunResult; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.ToolHelper.KotlinTargetVersion; |
| import com.android.tools.r8.graph.DexAnnotation; |
| import com.android.tools.r8.graph.DexClass; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import java.util.Collection; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class MetadataStripTest extends KotlinTestBase { |
| private static final String METADATA_DESCRIPTOR = "Lkotlin/Metadata;"; |
| private static final String KEEP_ANNOTATIONS = "-keepattributes *Annotation*"; |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0} target: {1}") |
| public static Collection<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimes().build(), KotlinTargetVersion.values()); |
| } |
| |
| public MetadataStripTest(TestParameters parameters, KotlinTargetVersion targetVersion) { |
| super(targetVersion); |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testJstyleRunnable() throws Exception { |
| final String folder = "lambdas_jstyle_runnable"; |
| final String mainClassName = "lambdas_jstyle_runnable.MainKt"; |
| final String implementer1ClassName = "lambdas_jstyle_runnable.Implementer1Kt"; |
| R8TestRunResult result = |
| testForR8(parameters.getBackend()) |
| .addProgramFiles(getKotlinJarFile(folder)) |
| .addProgramFiles(getJavaJarFile(folder)) |
| .addProgramFiles(ToolHelper.getKotlinReflectJar()) |
| .addKeepMainRule(mainClassName) |
| .addKeepRules(KEEP_ANNOTATIONS) |
| .addKeepRules("-keep class kotlin.Metadata") |
| .setMinApi(parameters.getRuntime()) |
| .run(parameters.getRuntime(), mainClassName); |
| CodeInspector inspector = result.inspector(); |
| ClassSubject clazz = inspector.clazz(mainClassName); |
| assertThat(clazz, isPresent()); |
| assertThat(clazz, not(isRenamed())); |
| // Main class is kept, hence the presence of Metadata. |
| assertNotNull(retrieveMetadata(clazz.getDexClass())); |
| ClassSubject impl1 = inspector.clazz(implementer1ClassName); |
| assertThat(impl1, isPresent()); |
| assertThat(impl1, isRenamed()); |
| // All other classes can be renamed, hence the absence of Metadata; |
| assertNull(retrieveMetadata(impl1.getDexClass())); |
| } |
| |
| private DexAnnotation retrieveMetadata(DexClass dexClass) { |
| for (DexAnnotation annotation : dexClass.annotations.annotations) { |
| if (annotation.annotation.type.toDescriptorString().equals(METADATA_DESCRIPTOR)) { |
| return annotation; |
| } |
| } |
| return null; |
| } |
| |
| } |