| // 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 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 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 LibraryInterfaceMethodsTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public LibraryInterfaceMethodsTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testLibraryBridgeDesugaring() |
| throws CompilationFailedException, IOException, ExecutionException { |
| R8TestCompileResult compileResult = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(BaseInterface.class, SubInterface.class) |
| .addLibraryFiles(runtimeJar(parameters)) |
| .addKeepMethodRules(SubInterface.class, "int hashCode()") |
| .setMinApi(parameters.getApiLevel()) |
| .compile(); |
| testForRuntime(parameters) |
| .addProgramClasses(A.class, Main.class) |
| .addRunClasspathFiles(compileResult.writeToZip()) |
| .run(parameters.getRuntime(), Main.class, A.class.getTypeName(), "hashCode") |
| .assertSuccessWithOutputLines("Hello World!"); |
| } |
| |
| public interface BaseInterface { |
| |
| int hashCode(); |
| } |
| |
| public interface SubInterface extends BaseInterface {} |
| |
| public static class A implements SubInterface { |
| |
| @Override |
| public int hashCode() { |
| System.out.println("Hello World!"); |
| return 42; |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) throws Exception { |
| Object o = Class.forName(args[0]).getDeclaredConstructor().newInstance(); |
| o.getClass().getMethod(args[1]).invoke(o); |
| } |
| } |
| } |