| // 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.naming.signature; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestDiagnosticMessages; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.naming.signature.merging.I; |
| import com.android.tools.r8.naming.signature.merging.ImplI; |
| import com.android.tools.r8.naming.signature.merging.ImplK; |
| import com.android.tools.r8.naming.signature.merging.ImplL; |
| import com.android.tools.r8.naming.signature.merging.InterfaceToKeep; |
| import com.android.tools.r8.naming.signature.merging.J; |
| import com.android.tools.r8.naming.signature.merging.K; |
| import com.android.tools.r8.naming.signature.merging.L; |
| import java.io.IOException; |
| import java.lang.reflect.Type; |
| 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 SignatureOfMergedClassesTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public SignatureOfMergedClassesTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testRemovalOfMergedInterfaceOnSameClass() |
| throws IOException, CompilationFailedException, ExecutionException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses( |
| ImplI.class, |
| ImplK.class, |
| I.class, |
| J.class, |
| InterfaceToKeep.class, |
| K.class, |
| Main.class, |
| L.class, |
| ImplL.class) |
| .addKeepMainRule(Main.class) |
| .addKeepClassRules(InterfaceToKeep.class) |
| .addKeepAttributes("Signature, InnerClasses, EnclosingMethod, *Annotation*") |
| .setMinApi(parameters.getApiLevel()) |
| .noMinification() |
| .addOptionsModification( |
| internalOptions -> { |
| internalOptions.enableUnusedInterfaceRemoval = false; |
| }) |
| .compileWithExpectedDiagnostics(TestDiagnosticMessages::assertNoMessages) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines( |
| "ImplI.foo", |
| "ImplI: com.android.tools.r8.naming.signature.merging.InterfaceToKeep<java.lang.Void>", |
| "K: com.android.tools.r8.naming.signature.merging.InterfaceToKeep<java.lang.Void>", |
| "ImplK.foo", |
| "ImplK.bar", |
| "ImplK: interface com.android.tools.r8.naming.signature.merging.K", |
| "ImplL.print") |
| .inspect( |
| codeInspector -> { |
| assertThat(codeInspector.clazz(I.class), not(isPresent())); |
| assertThat(codeInspector.clazz(J.class), not(isPresent())); |
| }); |
| } |
| |
| @Test |
| public void testKeepingOneSelfOnInterface() |
| throws ExecutionException, CompilationFailedException, IOException { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Foo.class, InterfaceToKeep.class) |
| .addKeepMainRule(Foo.class) |
| .addKeepClassRules(InterfaceToKeep.class) |
| .addKeepAttributes("Signature, InnerClasses, EnclosingMethod, *Annotation*") |
| .setMinApi(parameters.getApiLevel()) |
| .noMinification() |
| .addOptionsModification( |
| internalOptions -> { |
| internalOptions.enableUnusedInterfaceRemoval = false; |
| }) |
| .run(parameters.getRuntime(), Foo.class) |
| .assertSuccessWithOutputLines( |
| "com.android.tools.r8.naming.signature.merging.InterfaceToKeep" |
| + "<com.android.tools.r8.naming.signature.SignatureOfMergedClassesTest$Foo>"); |
| } |
| |
| public static class Foo implements InterfaceToKeep<Foo> { |
| |
| public static void main(String[] args) { |
| for (Type genericInterface : Foo.class.getGenericInterfaces()) { |
| System.out.println(genericInterface); |
| } |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| new ImplI().foo(); |
| for (Type genericInterface : ImplI.class.getGenericInterfaces()) { |
| System.out.println("ImplI: " + genericInterface); |
| } |
| for (Type genericInterface : K.class.getGenericInterfaces()) { |
| System.out.println("K: " + genericInterface); |
| } |
| K k = new ImplK(); |
| k.foo(); |
| k.bar(); |
| for (Type genericInterface : ImplK.class.getGenericInterfaces()) { |
| System.out.println("ImplK: " + genericInterface); |
| } |
| L<ImplL> l = new ImplL(); |
| l.print((ImplL) l); |
| for (Type genericInterface : ImplL.class.getGenericInterfaces()) { |
| System.out.println("ImplL: " + genericInterface); |
| } |
| } |
| } |
| } |