| // 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.desugar.enclosingmethod; |
| |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.ClassFileConsumer.ArchiveConsumer; |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.R8FullTestBuilder; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper.DexVm; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.nio.file.Path; |
| import java.util.Collection; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| interface A { |
| default int def() { |
| return new C() { |
| @Override |
| int number() { |
| Class<?> clazz = getClass(); |
| System.out.println(clazz.getEnclosingClass()); |
| System.out.println(clazz.getEnclosingMethod()); |
| return 42; |
| } |
| }.getNumber(); |
| } |
| } |
| |
| abstract class C { |
| abstract int number(); |
| |
| public int getNumber() { |
| return number(); |
| } |
| } |
| |
| class TestClass implements A { |
| public static void main(String[] args) throws NoClassDefFoundError, ClassNotFoundException { |
| System.out.println(new TestClass().def()); |
| } |
| } |
| |
| @RunWith(Parameterized.class) |
| public class EnclosingMethodRewriteTest extends TestBase { |
| private static final Class<?> MAIN = TestClass.class; |
| private static final String JAVA_OUTPUT = StringUtils.lines( |
| "interface " + A.class.getName(), |
| "public default int " + A.class.getName() + ".def()", |
| "42" |
| ); |
| |
| private final TestParameters parameters; |
| private final boolean enableMinification; |
| |
| @Parameterized.Parameters(name = "{0} minification: {1}") |
| public static Collection<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimes().withAllApiLevels().build(), |
| BooleanUtils.values()); |
| } |
| |
| public EnclosingMethodRewriteTest(TestParameters parameters, boolean enableMinification) { |
| this.parameters = parameters; |
| this.enableMinification = enableMinification; |
| } |
| |
| @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 testDesugarAndProguard() throws Exception { |
| assumeTrue("Only run on CF runtimes", parameters.isCfRuntime()); |
| Path desugared = temp.newFile("desugared.jar").toPath().toAbsolutePath(); |
| R8FullTestBuilder builder = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(A.class, C.class, MAIN) |
| .addKeepMainRule(MAIN) |
| .addKeepRules("-keepattributes InnerClasses,EnclosingMethod") |
| .setProgramConsumer(new ArchiveConsumer(desugared)) |
| .setMinApi(parameters.getApiLevel()); |
| if (enableMinification) { |
| builder.addKeepAllClassesRuleWithAllowObfuscation(); |
| } else { |
| builder.addKeepAllClassesRule(); |
| } |
| builder.compile().assertNoMessages(); |
| try { |
| testForProguard() |
| .addProgramFiles(desugared) |
| .addKeepMainRule(MAIN) |
| .addKeepRules("-keepattributes InnerClasses,EnclosingMethod") |
| .run(parameters.getRuntime(), MAIN) |
| .assertSuccessWithOutput(JAVA_OUTPUT); |
| } catch (CompilationFailedException e) { |
| // TODO(b/70293332) |
| assertThat(e.getMessage(), containsString("unresolved references")); |
| assertThat(e.getMessage(), containsString(A.class.getName() + "$1")); |
| } |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| R8FullTestBuilder builder = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(A.class, C.class, MAIN) |
| .addKeepMainRule(MAIN) |
| .addKeepRules("-keepattributes InnerClasses,EnclosingMethod") |
| .setMinApi(parameters.getApiLevel()); |
| if (enableMinification) { |
| builder.addKeepAllClassesRuleWithAllowObfuscation(); |
| } else { |
| builder.addKeepAllClassesRule(); |
| } |
| String errorType = "ClassNotFoundException"; |
| if (parameters.isDexRuntime() |
| && parameters.getRuntime().asDex().getVm().isOlderThanOrEqual(DexVm.ART_4_4_4_HOST)) { |
| errorType = "NoClassDefFoundError"; |
| } |
| builder |
| .run(parameters.getRuntime(), MAIN) |
| // TODO(b/70293332) |
| .assertFailureWithErrorThatMatches(containsString(errorType)); |
| } |
| } |