| // Copyright (c) 2021, 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; |
| |
| import static com.android.tools.r8.utils.DescriptorUtils.descriptorToJavaType; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| 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.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** This is a reproduction of b/196406764 */ |
| @RunWith(Parameterized.class) |
| public class MissingReferenceNamingClashTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public MissingReferenceNamingClashTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| // The references to Missing will be rewritten to a.a but the definition will not be present. |
| String newDescriptor = "La/a;"; |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(A.class, Main.class) |
| .addProgramClassFileData( |
| transformer(Anno.class) |
| .replaceClassDescriptorInMembers(descriptor(Missing.class), newDescriptor) |
| .transform()) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .addKeepClassAndMembersRules(Anno.class) |
| .addKeepClassRulesWithAllowObfuscation(A.class) |
| .addKeepRuntimeVisibleAnnotations() |
| .addDontWarn(descriptorToJavaType(newDescriptor)) |
| .compile() |
| .inspect( |
| inspector -> { |
| ClassSubject aSubject = inspector.clazz(A.class); |
| assertThat(aSubject, isPresent()); |
| assertEquals("La/b;", aSubject.getFinalDescriptor()); |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A::foo"); |
| } |
| |
| /* Will be missing on input */ |
| public enum Missing { |
| FOO; |
| } |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target(ElementType.TYPE) |
| public @interface Anno { |
| |
| /* Rewritten to a.a */ Missing missing(); |
| } |
| |
| public static class A { |
| |
| public void foo() { |
| System.out.println("A::foo"); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| new A().foo(); |
| } |
| } |
| } |