| // 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.DescriptorUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.google.common.collect.ImmutableList; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import org.junit.Assert; |
| import org.junit.Assume; |
| 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 TreeShaking1Test 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 TreeShaking1Test(Frontend frontend, Backend backend, MinifyMode minify) { |
| super("examples/shaking1", "shaking1.Shaking", frontend, backend, minify); |
| } |
| |
| @Test |
| public void testKeeprules() throws Exception { |
| runTest( |
| TreeShaking1Test::shaking1HasNoClassUnused, |
| null, |
| null, |
| ImmutableList.of("src/test/examples/shaking1/keep-rules.txt")); |
| } |
| |
| @Test |
| public void testKeeprulesEmpty() throws Exception { |
| runTest( |
| TreeShaking1Test::shaking1HasNoClassUnused, |
| null, |
| null, |
| ImmutableList.of( |
| "src/test/examples/shaking1/keep-rules.txt", "src/test/proguard/valid/empty.flags")); |
| } |
| |
| @Test |
| public void testKeeprulesEmptyEmpty() throws Exception { |
| runTest( |
| TreeShaking1Test::shaking1HasNoClassUnused, |
| null, |
| null, |
| ImmutableList.of( |
| "src/test/examples/shaking1/keep-rules.txt", |
| "src/test/proguard/valid/empty.flags", |
| "src/test/proguard/valid/empty.flags")); |
| } |
| |
| @Test |
| public void testKeeprulesdontshrink() throws Exception { |
| runTest( |
| null, |
| null, |
| TreeShakingTest::checkSameStructure, |
| ImmutableList.of("src/test/examples/shaking1/keep-rules-dont-shrink.txt")); |
| } |
| |
| @Test |
| public void testKeeprulesdontshrinkEmpty() throws Exception { |
| runTest( |
| null, |
| null, |
| TreeShakingTest::checkSameStructure, |
| ImmutableList.of( |
| "src/test/examples/shaking1/keep-rules-dont-shrink.txt", |
| "src/test/proguard/valid/empty.flags")); |
| } |
| |
| @Test |
| public void testKeeprulesdontshrinkEmptyEmpty() throws Exception { |
| runTest( |
| null, |
| null, |
| TreeShakingTest::checkSameStructure, |
| ImmutableList.of( |
| "src/test/examples/shaking1/keep-rules-dont-shrink.txt", |
| "src/test/proguard/valid/empty.flags", |
| "src/test/proguard/valid/empty.flags")); |
| } |
| |
| @Test |
| public void testKeeprulesprintusage() throws Exception { |
| runTest( |
| null, null, null, ImmutableList.of("src/test/examples/shaking1/keep-rules-printusage.txt")); |
| } |
| |
| @Test |
| public void testKeeprulesprintusageEmpty() throws Exception { |
| runTest( |
| null, |
| null, |
| null, |
| ImmutableList.of( |
| "src/test/examples/shaking1/keep-rules-printusage.txt", |
| "src/test/proguard/valid/empty.flags")); |
| } |
| |
| @Test |
| public void testKeeprulesprintusageEmptyEmpty() throws Exception { |
| runTest( |
| null, |
| null, |
| null, |
| ImmutableList.of( |
| "src/test/examples/shaking1/keep-rules-printusage.txt", |
| "src/test/proguard/valid/empty.flags", |
| "src/test/proguard/valid/empty.flags")); |
| } |
| |
| @Test |
| public void testKeeprulesrepackaging() throws Exception { |
| Assume.assumeFalse(getMinify() == MinifyMode.NONE); |
| runTest( |
| TreeShaking1Test::shaking1IsCorrectlyRepackaged, |
| null, |
| null, |
| ImmutableList.of("src/test/examples/shaking1/keep-rules-repackaging.txt")); |
| } |
| |
| @Test |
| public void testKeeprulesrepackagingEmpty() throws Exception { |
| Assume.assumeFalse(getMinify() == MinifyMode.NONE); |
| runTest( |
| TreeShaking1Test::shaking1IsCorrectlyRepackaged, |
| null, |
| null, |
| ImmutableList.of( |
| "src/test/examples/shaking1/keep-rules-repackaging.txt", |
| "src/test/proguard/valid/empty.flags")); |
| } |
| |
| @Test |
| public void testKeeprulesrepackagingEmptyEmpty() throws Exception { |
| Assume.assumeFalse(getMinify() == MinifyMode.NONE); |
| runTest( |
| TreeShaking1Test::shaking1IsCorrectlyRepackaged, |
| null, |
| null, |
| ImmutableList.of( |
| "src/test/examples/shaking1/keep-rules-repackaging.txt", |
| "src/test/proguard/valid/empty.flags", |
| "src/test/proguard/valid/empty.flags")); |
| } |
| |
| private static void shaking1IsCorrectlyRepackaged(CodeInspector inspector) { |
| inspector.forAllClasses( |
| clazz -> { |
| String descriptor = clazz.getFinalDescriptor(); |
| Assert.assertTrue( |
| descriptor, |
| DescriptorUtils.getUnqualifiedClassNameFromDescriptor(descriptor).equals("Shaking") |
| || DescriptorUtils.getPackageNameFromDescriptor(descriptor).equals("repackaged")); |
| }); |
| } |
| |
| private static void shaking1HasNoClassUnused(CodeInspector inspector) { |
| Assert.assertFalse(inspector.clazz("shaking1.Unused").isPresent()); |
| ClassSubject used = inspector.clazz("shaking1.Used"); |
| Assert.assertTrue(used.isPresent()); |
| Assert.assertTrue( |
| used.method("java.lang.String", "aMethodThatIsNotUsedButKept", Collections.emptyList()) |
| .isPresent()); |
| Assert.assertTrue(used.field("int", "aStaticFieldThatIsNotUsedButKept").isPresent()); |
| // Rewriting of <clinit> moves the initialization of aStaticFieldThatIsNotUsedButKept |
| // from <clinit> code into statics value section of the dex file. |
| Assert.assertFalse(used.clinit().isPresent()); |
| } |
| } |