| // Copyright (c) 2020, 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.keepclassmembers; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isNotRenamed; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| 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 com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| 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 KeepInterfaceMethodTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public KeepInterfaceMethodTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testIProguard() throws CompilationFailedException, IOException, ExecutionException { |
| testForProguard() |
| .addProgramClasses(I.class) |
| .addKeepRules( |
| "-keepclassmembers class " + I.class.getTypeName() + " { void foo(); }", |
| "-keep class " + I.class.getTypeName() + " { }", |
| "-dontwarn") |
| .compile() |
| .inspect(this::inspectIClassAndMethodIsPresent); |
| } |
| |
| @Test |
| public void testIR8() throws CompilationFailedException, IOException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(I.class) |
| .addKeepRules("-keepclassmembers class " + I.class.getTypeName() + " { void foo(); }") |
| .addKeepRules("-keep class " + I.class.getTypeName() + " { }") |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspectIClassAndMethodIsPresent); |
| } |
| |
| @Test |
| public void testAProguard() throws CompilationFailedException, IOException, ExecutionException { |
| assumeTrue(parameters.isCfRuntime()); |
| testForProguard() |
| .addProgramClasses(I.class, A.class, B.class, Main.class) |
| .addKeepRules( |
| "-keepclassmembers class " + I.class.getTypeName() + " { void foo(); }", "-dontwarn") |
| .addKeepMainRule(Main.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A.foo") |
| .inspect(this::inspectIClassAndMethodIsPresent); |
| } |
| |
| @Test |
| public void testAR8() throws CompilationFailedException, IOException, ExecutionException { |
| testForR8Compat(parameters.getBackend()) |
| .addProgramClasses(I.class, A.class, B.class, Main.class) |
| .addKeepRules("-keepclassmembers class " + I.class.getTypeName() + " { void foo(); }") |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A.foo") |
| .inspect(this::inspectIClassAndMethodIsPresent); |
| } |
| |
| private void inspectIClassAndMethodIsPresent(CodeInspector inspector) { |
| checkClassAndMethodIsPresent(inspector, I.class); |
| } |
| |
| private void checkClassAndMethodIsPresent(CodeInspector inspector, Class<?> clazz) { |
| ClassSubject clazzSubject = inspector.clazz(clazz); |
| assertThat(clazzSubject, isPresent()); |
| MethodSubject foo = clazzSubject.uniqueMethodWithName("foo"); |
| assertThat(foo, isNotRenamed()); |
| } |
| |
| public interface I { |
| void foo(); |
| } |
| |
| public static class A implements I { |
| @Override |
| public void foo() { |
| System.out.println("A.foo"); |
| } |
| } |
| |
| public static class B implements I { |
| |
| @Override |
| public void foo() { |
| System.out.println("B.foo"); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| runI(args.length == 0 ? new A() : new B()); |
| } |
| |
| private static void runI(I i) { |
| i.foo(); |
| } |
| } |
| } |