| // 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.ir.analysis.sideeffect; |
| |
| 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.NeverClassInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class DeadConstructorWithCycleTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public DeadConstructorWithCycleTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(DeadConstructorWithCycleTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(inspector -> assertThat(inspector.clazz(A.class), not(isPresent()))) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithEmptyOutput(); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| Object o1 = null; |
| Object o2 = null; |
| for (int i = 1; i <= 2; i++) { |
| o1 = new A(o1, o2); |
| o2 = new A(o1, o2); |
| } |
| } |
| } |
| |
| @NeverClassInline |
| static class A { |
| |
| Object f1; |
| Object f2; |
| |
| A(Object o1, Object o2) { |
| this.f1 = o1; |
| this.f2 = o2; |
| } |
| } |
| } |