| // 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.ir.optimize.ifs; |
| |
| import static com.android.tools.r8.utils.codeinspector.CodeMatchers.invokesMethodWithName; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isAbsent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.NeverInline; |
| 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 TrivialObjectEqualsTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public TrivialObjectEqualsTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| assumeTrue(parameters.isDexRuntime()); |
| testForD8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| inspector -> |
| assertThat( |
| inspector.clazz(Main.class).uniqueMethodWithName("dead"), |
| not(invokesMethodWithName("dead")))) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| inspector -> |
| assertThat(inspector.clazz(Main.class).uniqueMethodWithName("dead"), isAbsent())) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| Object o1 = new Object(); |
| Object o2 = new Object(); |
| if (o1 == o1) { |
| System.out.print("Hello"); |
| } else { |
| dead(); |
| } |
| if (o1 == o2) { |
| dead(); |
| } else { |
| System.out.println(" world!"); |
| } |
| } |
| |
| @NeverInline |
| static void dead() { |
| System.out.println("Unexpected!"); |
| } |
| } |
| } |