| // 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 com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.utils.StringUtils; |
| 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 StaticInitializerTest extends TestBase { |
| |
| private final Backend backend; |
| |
| @Parameters(name = "Backend: {0}") |
| public static Backend[] data() { |
| return ToolHelper.getBackends(); |
| } |
| |
| public StaticInitializerTest(Backend backend) { |
| this.backend = backend; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| String expectedOutput = StringUtils.lines("In A.m()", "In B.<clinit>()", "In B.m()"); |
| |
| if (backend == Backend.CF) { |
| testForJvm().addTestClasspath().run(TestClass.class).assertSuccessWithOutput(expectedOutput); |
| } |
| |
| testForR8(backend) |
| .addInnerClasses(StaticInitializerTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableInliningAnnotations() |
| .run(TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| A.m(); |
| B.m(); |
| } |
| } |
| |
| // Cannot be merged into B because that would change the semantics due to <clinit>. |
| static class A { |
| |
| @NeverInline |
| public static void m() { |
| System.out.println("In A.m()"); |
| } |
| } |
| |
| static class B extends A { |
| |
| static { |
| System.out.println("In B.<clinit>()"); |
| } |
| |
| @NeverInline |
| public static void m() { |
| System.out.println("In B.m()"); |
| } |
| } |
| } |