| // 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.shaking.methods.interfaces; |
| |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.R8TestCompileResult; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import java.io.IOException; |
| import java.util.concurrent.ExecutionException; |
| 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 MultipleTargetTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public MultipleTargetTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testRuntime() throws ExecutionException, CompilationFailedException, IOException { |
| assumeTrue( |
| parameters.isCfRuntime() |
| || parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.N)); |
| testForRuntime(parameters) |
| .addProgramClasses(Top.class, Left.class, Right.class, Bottom.class, A.class, Main.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(A.class.getName()); |
| } |
| |
| @Test |
| public void testSingleInheritanceR8BeforeNougat() |
| throws CompilationFailedException, IOException, ExecutionException { |
| assumeTrue(parameters.isDexRuntime() && parameters.getApiLevel().isLessThan(AndroidApiLevel.N)); |
| R8TestCompileResult compileResult = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Top.class, Left.class, Right.class, Bottom.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMethodRules(Bottom.class, "java.lang.String name()") |
| .noMinification() |
| .compile(); |
| // TODO(b/144269679): We should be able to compile and run this. |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(A.class, Main.class) |
| .addClasspathClasses(Top.class, Left.class, Right.class, Bottom.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .addRunClasspathFiles(compileResult.writeToZip()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatMatches( |
| containsString( |
| "com.android.tools.r8.shaking.methods.interfaces.MultipleTargetTest$Left$-CC")); |
| } |
| |
| @Test |
| public void testKeepingBottomName() |
| throws CompilationFailedException, IOException, ExecutionException { |
| assumeTrue( |
| parameters.isCfRuntime() |
| || parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.N)); |
| R8TestCompileResult compileResult = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Top.class, Left.class, Right.class, Bottom.class) |
| .addKeepMethodRules(Bottom.class, "java.lang.String name()") |
| .setMinApi(parameters.getApiLevel()) |
| .compile(); |
| testForRuntime(parameters) |
| .addProgramClasses(A.class, Main.class) |
| .addRunClasspathFiles(compileResult.writeToZip()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(A.class.getName()); |
| } |
| |
| interface Top { |
| default String name() { |
| return "unnamed"; |
| } |
| } |
| |
| interface Left extends Top { |
| default String name() { |
| return getClass().getName(); |
| } |
| } |
| |
| interface Right extends Top { |
| /* No override of default String name() */ |
| } |
| |
| interface Bottom extends Left, Right {} |
| |
| public static class A implements Bottom {} |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| System.out.println(new A().name()); |
| } |
| } |
| } |