| // 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.redundantfieldloadelimination; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper.DexVm.Version; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class StaticFieldLoadsSeparatedByNewInstanceTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().build(); |
| } |
| |
| public StaticFieldLoadsSeparatedByNewInstanceTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(StaticFieldLoadsSeparatedByNewInstanceTest.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters.getRuntime()) |
| .compile() |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines(getExpectedOutput()); |
| } |
| |
| private String getExpectedOutput() { |
| if (parameters.isDexRuntime() |
| && parameters.getRuntime().asDex().getVm().getVersion() == Version.V6_0_1) { |
| return " world! world!"; |
| } |
| return "Hello world!"; |
| } |
| |
| static class TestClass { |
| |
| static String greeting = " world!"; |
| |
| public static void main(String[] args) { |
| String worldGreeting = greeting; |
| new HelloGreeter(greeting); |
| System.out.println(worldGreeting); |
| } |
| } |
| |
| static class HelloGreeter { |
| |
| static { |
| TestClass.greeting = "Hello"; |
| } |
| |
| HelloGreeter(String helloGreeting) { |
| System.out.print(helloGreeting); |
| } |
| } |
| } |