| // Copyright (c) 2018, 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.examples; |
| |
| import com.android.tools.r8.shaking.TreeShakingTest; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.FieldAccessInstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.InstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import com.google.common.collect.ImmutableList; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import org.junit.Assert; |
| 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 TreeShaking13Test extends TreeShakingTest { |
| |
| @Parameters(name = "mode:{0}-{1} minify:{2}") |
| public static Collection<Object[]> data() { |
| List<Object[]> parameters = new ArrayList<>(); |
| for (MinifyMode minify : MinifyMode.values()) { |
| parameters.add(new Object[] {Frontend.JAR, Backend.CF, minify}); |
| parameters.add(new Object[] {Frontend.JAR, Backend.DEX, minify}); |
| parameters.add(new Object[] {Frontend.DEX, Backend.DEX, minify}); |
| } |
| return parameters; |
| } |
| |
| public TreeShaking13Test(Frontend frontend, Backend backend, MinifyMode minify) { |
| super("examples/shaking13", "shaking13.Shaking", frontend, backend, minify); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| runTest( |
| TreeShaking13Test::shaking13EnsureFieldWritesCorrect, |
| null, |
| null, |
| ImmutableList.of("src/test/examples/shaking13/keep-rules.txt")); |
| } |
| |
| private static void shaking13EnsureFieldWritesCorrect(CodeInspector inspector) { |
| ClassSubject mainClass = inspector.clazz("shaking13.Shaking"); |
| MethodSubject testMethod = mainClass.method("void", "fieldTest", Collections.emptyList()); |
| Assert.assertTrue(testMethod.isPresent()); |
| Iterator<FieldAccessInstructionSubject> iterator = |
| testMethod.iterateInstructions(InstructionSubject::isFieldAccess); |
| Assert.assertTrue(iterator.hasNext() && iterator.next().holder().is("shakinglib.LibraryClass")); |
| Assert.assertTrue(iterator.hasNext() && iterator.next().holder().is("shakinglib.LibraryClass")); |
| Assert.assertFalse(iterator.hasNext()); |
| } |
| } |