| // 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.ir.optimize.membervaluepropagation; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.StringUtils; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class RedundantStaticPutWithClassInitializationTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().build(); |
| } |
| |
| public RedundantStaticPutWithClassInitializationTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| String expectedOutput = StringUtils.lines("Hello world!"); |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(RedundantStaticPutWithClassInitializationTest.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters.getRuntime()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| // Cannot be removed by member value propagation, although the field is never read, because |
| // it may trigger A's class initializer. |
| A.field = "Hello world!"; |
| } |
| } |
| |
| static class A { |
| |
| static String field; |
| |
| static { |
| System.out.println("Hello world!"); |
| } |
| } |
| } |