| // Copyright (c) 2020, 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.library; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| 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 com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.InstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class BooleanParseBooleanTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public BooleanParseBooleanTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| assumeTrue(parameters.isDexRuntime()); |
| testForD8() |
| .addProgramClasses(TestClass.class) |
| .release() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("true", "true", "true", "false", "false", "false", "true"); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(TestClass.class) |
| .addKeepMainRule(TestClass.class) |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("true", "true", "true", "false", "false", "false", "true"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| ClassSubject testClassSubject = inspector.clazz(TestClass.class); |
| assertThat(testClassSubject, isPresent()); |
| |
| MethodSubject testOptimizedMethodSubject = |
| testClassSubject.uniqueMethodWithName("testOptimized"); |
| assertThat(testOptimizedMethodSubject, isPresent()); |
| assertTrue( |
| testOptimizedMethodSubject |
| .streamInstructions() |
| .filter(InstructionSubject::isInvokeStatic) |
| .map(InstructionSubject::getMethod) |
| .map(DexMethod::toSourceString) |
| .noneMatch(method -> method.contains("parseBoolean"))); |
| |
| MethodSubject testNotOptimizedMethodSubject = |
| testClassSubject.uniqueMethodWithName("testNotOptimized"); |
| assertThat(testNotOptimizedMethodSubject, isPresent()); |
| assertEquals( |
| 1, |
| testNotOptimizedMethodSubject |
| .streamInstructions() |
| .filter(InstructionSubject::isInvokeStatic) |
| .map(InstructionSubject::getMethod) |
| .map(DexMethod::toSourceString) |
| .filter(method -> method.contains("parseBoolean")) |
| .count()); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| testOptimized(); |
| testNotOptimized(); |
| } |
| |
| @NeverInline |
| static void testOptimized() { |
| System.out.println(Boolean.parseBoolean("true")); |
| System.out.println(Boolean.parseBoolean("tRuE")); |
| System.out.println(Boolean.parseBoolean("TRUE")); |
| System.out.println(Boolean.parseBoolean("false")); |
| System.out.println(Boolean.parseBoolean("fAlSe")); |
| System.out.println(Boolean.parseBoolean("FALSE")); |
| } |
| |
| @NeverInline |
| static void testNotOptimized() { |
| System.out.println(Boolean.parseBoolean(unknown())); |
| } |
| |
| static String unknown() { |
| return System.currentTimeMillis() >= 0 ? "true" : "false"; |
| } |
| } |
| } |