| // 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.b136698023; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.StringContains.containsString; |
| import static org.junit.Assert.assertTrue; |
| |
| 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.codeinspector.ClassSubject; |
| 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 ProgramInterfaceNotImplementedTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| public interface I { |
| |
| Object foo(); |
| } |
| |
| public abstract static class A implements I { |
| |
| @Override |
| public abstract Object foo(); |
| } |
| |
| public abstract static class B implements I { |
| |
| @Override |
| public Object foo() { |
| return "FOO"; |
| } |
| } |
| |
| public static class C implements I { |
| |
| @Override |
| public Object foo() { |
| return "FOO"; |
| } |
| } |
| |
| public abstract static class Lib { |
| public abstract Object foo(); |
| } |
| |
| public static class D extends Lib implements I { |
| |
| @Override |
| public Object foo() { |
| return "FOO"; |
| } |
| } |
| |
| public static class MainA { |
| |
| public static void main(String[] args) { |
| System.out.println(A.class.toString()); |
| } |
| } |
| |
| public static class MainB { |
| |
| public static void main(String[] args) { |
| System.out.println(B.class.toString()); |
| } |
| } |
| |
| public static class MainC { |
| |
| public static void main(String[] args) { |
| System.out.println(C.class.toString()); |
| } |
| } |
| |
| public static class MainD { |
| |
| public static void main(String[] args) { |
| System.out.println(D.class.toString()); |
| } |
| } |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().build(); |
| } |
| |
| public ProgramInterfaceNotImplementedTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testRemovingMethodInA() |
| throws ExecutionException, CompilationFailedException, IOException { |
| test(A.class, MainA.class); |
| } |
| |
| @Test |
| public void testRemovingMethodInB() |
| throws ExecutionException, CompilationFailedException, IOException { |
| test(B.class, MainB.class); |
| } |
| |
| @Test |
| public void testRemovingMethodInC() |
| throws ExecutionException, CompilationFailedException, IOException { |
| test(C.class, MainC.class); |
| } |
| |
| private void test(Class<?> clazz, Class<?> main) |
| throws ExecutionException, CompilationFailedException, IOException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(I.class, clazz, main) |
| .addKeepClassAndMembersRules(I.class) |
| .addKeepMainRule(main) |
| .noMinification() |
| .setMinApi(parameters.getRuntime()) |
| .run(parameters.getRuntime(), main) |
| .assertSuccessWithOutputThatMatches(containsString(clazz.getTypeName())) |
| .inspect( |
| codeInspector -> { |
| ClassSubject foundClazz = codeInspector.clazz(clazz); |
| assertThat(foundClazz, isPresent()); |
| assertTrue(foundClazz.allMethods().isEmpty()); |
| }); |
| } |
| |
| @Test |
| public void testRemovingMethodInD() |
| throws ExecutionException, CompilationFailedException, IOException { |
| R8TestCompileResult library = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Lib.class) |
| .addKeepAllClassesRule() |
| .setMinApi(parameters.getRuntime()) |
| .compile(); |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(I.class, D.class, MainD.class) |
| .addLibraryClasses(Lib.class) |
| .addLibraryFiles(runtimeJar(parameters.getBackend())) |
| .addKeepClassAndMembersRules(I.class) |
| .addKeepMainRule(MainD.class) |
| .setMinApi(parameters.getRuntime()) |
| .noMinification() |
| .compile() |
| .addRunClasspathFiles(library.writeToZip()) |
| .run(parameters.getRuntime(), MainD.class) |
| .assertSuccessWithOutputThatMatches(containsString(D.class.getTypeName())); |
| } |
| } |