| // Copyright (c) 2019, 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.metadata; |
| |
| import static com.android.tools.r8.KotlinCompilerTool.KOTLINC; |
| 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.assertTrue; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.ToolHelper.KotlinTargetVersion; |
| import com.android.tools.r8.shaking.ProguardKeepAttributes; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.KmClassSubject; |
| import java.nio.file.Path; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class MetadataRewriteInReturnTypeTest extends KotlinMetadataTestBase { |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0} target: {1}") |
| public static Collection<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withCfRuntimes().build(), KotlinTargetVersion.values()); |
| } |
| |
| public MetadataRewriteInReturnTypeTest( |
| TestParameters parameters, KotlinTargetVersion targetVersion) { |
| super(targetVersion); |
| this.parameters = parameters; |
| } |
| |
| private static final Map<KotlinTargetVersion, Path> returnTypeLibJarMap = new HashMap<>(); |
| |
| @BeforeClass |
| public static void createLibJar() throws Exception { |
| String returnTypeLibFolder = PKG_PREFIX + "/returntype_lib"; |
| for (KotlinTargetVersion targetVersion : KotlinTargetVersion.values()) { |
| Path returnTypeLibJar = |
| kotlinc(KOTLINC, targetVersion) |
| .addSourceFiles(getKotlinFileInTest(returnTypeLibFolder, "lib")) |
| .compile(); |
| returnTypeLibJarMap.put(targetVersion, returnTypeLibJar); |
| } |
| } |
| |
| @Test |
| public void testMetadataInReturnType_renamed() throws Exception { |
| Path libJar = |
| testForR8(parameters.getBackend()) |
| .addProgramFiles(returnTypeLibJarMap.get(targetVersion)) |
| // Keep non-private members of Impl |
| .addKeepRules("-keep public class **.Impl { !private *; }") |
| // Keep Itf, but allow minification. |
| .addKeepRules("-keep,allowobfuscation class **.Itf") |
| .addKeepAttributes(ProguardKeepAttributes.RUNTIME_VISIBLE_ANNOTATIONS) |
| .compile() |
| .inspect(this::inspect) |
| .writeToZip(); |
| |
| Path output = |
| kotlinc(parameters.getRuntime().asCf(), KOTLINC, targetVersion) |
| .addClasspathFiles(libJar) |
| .addSourceFiles(getKotlinFileInTest(PKG_PREFIX + "/returntype_app", "main")) |
| .setOutputPath(temp.newFolder().toPath()) |
| .compile(); |
| |
| testForJvm() |
| .addRunClasspathFiles(ToolHelper.getKotlinStdlibJar(), libJar) |
| .addClasspath(output) |
| .run(parameters.getRuntime(), PKG + ".returntype_app.MainKt") |
| .assertSuccessWithOutputLines("Impl::foo", "Program::foo", "true"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| String itfClassName = PKG + ".returntype_lib.Itf"; |
| String implClassName = PKG + ".returntype_lib.Impl"; |
| |
| ClassSubject itf = inspector.clazz(itfClassName); |
| assertThat(itf, isRenamed()); |
| |
| ClassSubject impl = inspector.clazz(implClassName); |
| assertThat(impl, isPresent()); |
| assertThat(impl, not(isRenamed())); |
| // API entry is kept, hence the presence of Metadata. |
| KmClassSubject kmClass = impl.getKmClass(); |
| assertThat(kmClass, isPresent()); |
| List<ClassSubject> superTypes = kmClass.getSuperTypes(); |
| assertTrue(superTypes.stream().noneMatch( |
| supertype -> supertype.getFinalDescriptor().contains("Itf"))); |
| assertTrue(superTypes.stream().anyMatch( |
| supertype -> supertype.getFinalDescriptor().equals(itf.getFinalDescriptor()))); |
| List<ClassSubject> functionReturnTypes = kmClass.getReturnTypesInFunctions(); |
| assertTrue(functionReturnTypes.stream().anyMatch( |
| returnType -> returnType.getFinalDescriptor().equals(itf.getFinalDescriptor()))); |
| } |
| } |
| |