| // Copyright (c) 2022, 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.shaking; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| 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 com.android.tools.r8.graph.MethodAccessFlags; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class RemoveCallToStaticInitTest extends TestBase { |
| |
| private static final String EXPECTED = "Hello World!"; |
| private static final String R8_EXPECTED = "World!"; |
| |
| @Parameter() public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| testForRuntime(parameters) |
| .addProgramClasses(A.class, Main.class) |
| .addProgramClassFileData(getBWithBridge()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(EXPECTED); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(A.class, Main.class) |
| .addProgramClassFileData(getBWithBridge()) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .enableInliningAnnotations() |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(EXPECTED) |
| .inspect( |
| inspector -> { |
| ClassSubject clazz = inspector.clazz(B.class); |
| assertThat(clazz, isPresent()); |
| assertThat(clazz.uniqueMethodWithOriginalName("foo"), isPresent()); |
| }); |
| } |
| |
| private byte[] getBWithBridge() throws Exception { |
| return transformer(B.class) |
| .setAccessFlags(B.class.getMethod("foo"), MethodAccessFlags::setBridge) |
| .transform(); |
| } |
| |
| public static class A { |
| |
| @NeverInline |
| public static void foo() { |
| System.out.println("World!"); |
| } |
| } |
| |
| public static class B extends A { |
| |
| static { |
| System.out.print("Hello "); |
| } |
| |
| @NeverInline |
| public static /* bridge */ void foo() { |
| A.foo(); |
| } |
| } |
| |
| public static class Main { |
| |
| @NeverInline |
| public static void test() { |
| B.foo(); |
| } |
| |
| public static void main(String[] args) { |
| test(); |
| } |
| } |
| } |