| // 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.graph.genericsignature; |
| |
| 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.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.transformers.ClassFileTransformer.MethodPredicate; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| 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 GenericSignatureInvalidInfoKeepTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public GenericSignatureInvalidInfoKeepTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Base.class, Main.class) |
| .addInnerClasses(A.class) |
| .addProgramClassFileData( |
| transformer(A.class) |
| .setGenericSignature(MethodPredicate.onName("foo"), (String) null) |
| .transform()) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .compile() |
| // This tests that no info messages are generated due to us removing the generic parameters |
| // K and V from A::base. |
| .assertNoInfoMessages() |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A$1::bar") |
| .inspect( |
| inspector -> { |
| ClassSubject baseClass = inspector.clazz(Base.class); |
| assertThat(baseClass, not(isPresent())); |
| }); |
| } |
| |
| public abstract static class Base<K, V> { |
| public abstract K bar(V v); |
| } |
| |
| public static class A { |
| |
| public static <K, V> Base<K, V> foo() { |
| return new Base<K, V>() { |
| @Override |
| public K bar(V f) { |
| System.out.println("A$1::bar"); |
| return null; |
| } |
| }; |
| } |
| ; |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| A.foo().bar(null); |
| } |
| } |
| } |