| // 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.shaking.attributes; |
| |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.InternalOptions; |
| import com.google.common.collect.ImmutableList; |
| import java.nio.file.Path; |
| import java.util.Collection; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| class GetNameClass { |
| interface Itf { |
| String foo(); |
| } |
| |
| static Itf createItf() { |
| return new Itf() { |
| @Override |
| public String foo() { |
| return "anonymous"; |
| } |
| }; |
| } |
| } |
| |
| class GetNameMain { |
| public static void main(String[] args) { |
| Class<?> test = GetNameClass.createItf().getClass(); |
| String name = test.getCanonicalName(); |
| System.out.println(name == null ? "-Returned-null-" : name); |
| } |
| } |
| |
| @RunWith(Parameterized.class) |
| public class EnclosingMethodTest extends TestBase { |
| private final TestParameters parameters; |
| private final boolean enableMinification; |
| private Collection<Path> classPaths; |
| private static final String JAVA_OUTPUT = "-Returned-null-" + System.lineSeparator(); |
| private static final String OUTPUT_WITH_SHRUNK_ATTRIBUTES = |
| GetNameClass.class.getName() + "$1" + System.lineSeparator(); |
| private static final Class<?> MAIN = GetNameMain.class; |
| |
| @Parameterized.Parameters(name = "{0} minification: {1}") |
| public static Collection<Object[]> data() { |
| return buildParameters(getTestParameters().withAllRuntimes().build(), BooleanUtils.values()); |
| } |
| |
| public EnclosingMethodTest(TestParameters parameters, boolean enableMinification) |
| throws Exception { |
| this.parameters = parameters; |
| this.enableMinification = enableMinification; |
| |
| ImmutableList.Builder<Path> builder = ImmutableList.builder(); |
| builder.addAll(ToolHelper.getClassFilesForTestDirectory( |
| ToolHelper.getPackageDirectoryForTestPackage(MAIN.getPackage()), |
| path -> path.getFileName().toString().startsWith("GetName"))); |
| classPaths = builder.build(); |
| } |
| |
| private void configure(InternalOptions options) { |
| options.enableNameReflectionOptimization = false; |
| options.testing.forceNameReflectionOptimization = false; |
| } |
| |
| @Test |
| public void testJVMOutput() throws Exception { |
| assumeTrue("Only run JVM reference on CF runtimes", parameters.isCfRuntime()); |
| testForJvm() |
| .addTestClasspath() |
| .run(parameters.getRuntime(), MAIN) |
| .assertSuccessWithOutput(JAVA_OUTPUT); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramFiles(classPaths) |
| .enableInliningAnnotations() |
| .addOptionsModification(this::configure) |
| .addKeepMainRule(MAIN) |
| .addKeepRules("-keep class **.GetName*") |
| .addKeepRules("-keepattributes InnerClasses,EnclosingMethod") |
| .minification(enableMinification) |
| .setMinApi(parameters.getRuntime()) |
| .run(parameters.getRuntime(), MAIN) |
| .assertSuccessWithOutput(OUTPUT_WITH_SHRUNK_ATTRIBUTES); |
| } |
| } |