| // 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 com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.classmerging.testclasses.ForceInlineConstructorWithMultiPackageAccessesTestClasses; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class ForceInlineConstructorWithMultiPackageAccessesTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public ForceInlineConstructorWithMultiPackageAccessesTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(ForceInlineConstructorWithMultiPackageAccessesTest.class) |
| .addInnerClasses(ForceInlineConstructorWithMultiPackageAccessesTestClasses.class) |
| .addKeepMainRule(TestClass.class) |
| .enableMergeAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| assertThat(inspector.clazz(B.class), not(isPresent())); |
| // Check that C is present to ensure that B is not only removed as a result of the entire |
| // object allocation being removed. |
| assertThat(inspector.clazz(C.class), isPresent()); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| System.out.println(new C()); |
| } |
| } |
| |
| static class B extends ForceInlineConstructorWithMultiPackageAccessesTestClasses.A { |
| |
| // B.<init>() invokes protected A.<init>() and accesses package-private field `greeting`. |
| String greeting = System.currentTimeMillis() >= 0 ? "Hello world!" : null; |
| } |
| |
| static class C extends B { |
| |
| @Override |
| public String toString() { |
| return greeting; |
| } |
| } |
| } |