| // 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.classmerging; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.NeverClassInline; |
| 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.FieldSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class B141942381 extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public B141942381(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testJVM() throws Exception { |
| assumeTrue("Only run JVM reference on CF runtimes", parameters.isCfRuntime()); |
| testForJvm() |
| .addTestClasspath() |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("true"); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(B141942381.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepAttributes("Signatures") |
| .enableNeverClassInliningAnnotations() |
| .noMinification() |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("true"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| // Merged to BoxValueImpl |
| ClassSubject boxValue = inspector.clazz(BoxValue.class); |
| assertThat(boxValue, not(isPresent())); |
| |
| // Merged to BoxImpl. |
| ClassSubject box = inspector.clazz(Box.class); |
| assertThat(box, not(isPresent())); |
| |
| ClassSubject boxImpl = inspector.clazz(BoxImpl.class); |
| assertThat(boxImpl, isPresent()); |
| FieldSubject storage = boxImpl.uniqueFieldWithName("_storage"); |
| assertThat(storage, isPresent()); |
| |
| MethodSubject set = boxImpl.uniqueMethodWithName("set"); |
| assertThat(set, isPresent()); |
| |
| assertEquals( |
| set.getMethod().method.proto.parameters.values[0], |
| storage.getField().field.type.toBaseType(inspector.getFactory())); |
| } |
| |
| static class TestClass { |
| public static void main(String... args) { |
| BoxImpl impl = new BoxImpl(); |
| BoxValueImpl v = new BoxValueImpl(); |
| impl.set(v); |
| System.out.println(impl.getFirst() == v); |
| } |
| } |
| |
| static abstract class Box<T extends BoxValue> { |
| @SuppressWarnings("unchecked") |
| private T[] _storage = (T[]) (new BoxValue[1]); |
| |
| void set(T node) { |
| _storage[0] = node; |
| } |
| |
| T getFirst() { |
| return _storage[0]; |
| } |
| } |
| |
| @NeverClassInline |
| static class BoxImpl extends Box<BoxValueImpl> { |
| BoxImpl() {} |
| } |
| |
| interface BoxValue {} |
| |
| @NeverClassInline |
| static class BoxValueImpl implements BoxValue {} |
| } |