| // 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 static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.TestParameters; |
| 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.MethodSubject; |
| import com.google.common.collect.ImmutableList; |
| import java.util.List; |
| 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 TreeShaking19Test extends TreeShakingTest { |
| |
| @Parameters(name = "mode:{0}-{1} minify:{2}") |
| public static List<Object[]> data() { |
| return defaultTreeShakingParameters(); |
| } |
| |
| public TreeShaking19Test(Frontend frontend, TestParameters parameters, MinifyMode minify) { |
| super(frontend, parameters, minify); |
| } |
| |
| @Override |
| protected String getName() { |
| return "examples/shaking19"; |
| } |
| |
| @Override |
| protected String getMainClass() { |
| return "shaking19.Shaking"; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| runTest( |
| TreeShaking19Test::unusedRemoved, |
| null, |
| null, |
| ImmutableList.of("src/test/examples/shaking19/keep-rules.txt"), |
| // Disable vertical class merging to prevent A from being merged into B. |
| opt -> opt.enableVerticalClassMerging = false); |
| } |
| |
| private static void unusedRemoved(CodeInspector inspector) { |
| ClassSubject clazz = inspector.clazz("shaking19.Shaking$A"); |
| assertThat(clazz, isPresent()); |
| |
| MethodSubject method = clazz.method("void", "m", ImmutableList.of()); |
| assertThat(method, not(isPresent())); |
| } |
| } |