| // 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.desugar.nestaccesscontrol; |
| |
| import static com.android.tools.r8.desugar.nestaccesscontrol.NestAccessControlTestUtils.PACKAGE_NAME; |
| import static com.android.tools.r8.desugar.nestaccesscontrol.NestAccessControlTestUtils.classesMatching; |
| import static junit.framework.TestCase.assertEquals; |
| import static junit.framework.TestCase.assertNotNull; |
| import static junit.framework.TestCase.assertSame; |
| import static junit.framework.TestCase.assertTrue; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.TestRuntime.CfVm; |
| import com.android.tools.r8.graph.DexClass; |
| import com.android.tools.r8.graph.NestMemberClassAttribute; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.FoundClassSubject; |
| 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 NestAttributesUpdateTest extends TestBase { |
| |
| public NestAttributesUpdateTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| private final TestParameters parameters; |
| |
| private final String MERGING_OUTER_CLASS = "BasicNestHostClassMerging"; |
| private final String PRUNING_OUTER_CLASS = "BasicNestHostTreePruning"; |
| private final String MERGING_EXPECTED_RESULT = StringUtils.lines("OuterMiddleInner"); |
| private final String PRUNING_EXPECTED_RESULT = StringUtils.lines("NotPruned"); |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withCfRuntimesStartingFromIncluding(CfVm.JDK11).build(); |
| } |
| |
| @Test |
| public void testClassMergingNestMemberRemoval() throws Exception { |
| testNestAttributesCorrect(MERGING_OUTER_CLASS, MERGING_OUTER_CLASS, MERGING_EXPECTED_RESULT, 3); |
| } |
| |
| @Test |
| public void testClassMergingNestHostRemoval() throws Exception { |
| testNestAttributesCorrect( |
| MERGING_OUTER_CLASS + "$MiddleOuter", MERGING_OUTER_CLASS, MERGING_EXPECTED_RESULT, 2); |
| } |
| |
| @Test |
| public void testTreePruningNestMemberRemoval() throws Exception { |
| testNestAttributesCorrect(PRUNING_OUTER_CLASS, PRUNING_OUTER_CLASS, PRUNING_EXPECTED_RESULT, 2); |
| } |
| |
| @Test |
| public void testTreePruningNestHostRemoval() throws Exception { |
| testNestAttributesCorrect( |
| PRUNING_OUTER_CLASS + "$Pruned", PRUNING_OUTER_CLASS, PRUNING_EXPECTED_RESULT, 1); |
| } |
| |
| public void testNestAttributesCorrect( |
| String mainClassName, String outerNestName, String expectedResult, int expectedNumClassesLeft) |
| throws Exception { |
| testNestAttributesCorrect( |
| mainClassName, outerNestName, expectedResult, true, expectedNumClassesLeft); |
| testNestAttributesCorrect( |
| mainClassName, outerNestName, expectedResult, false, expectedNumClassesLeft); |
| } |
| |
| public void testNestAttributesCorrect( |
| String mainClassName, |
| String outerNestName, |
| String expectedResult, |
| boolean minification, |
| int expectedNumClassesLeft) |
| throws Exception { |
| String actualMainClassName = PACKAGE_NAME + mainClassName; |
| testForR8(parameters.getBackend()) |
| .addKeepMainRule(actualMainClassName) |
| .minification(minification) |
| .addOptionsModification( |
| options -> { |
| // Disable optimizations else additional classes are removed since they become unused. |
| options.enableValuePropagation = false; |
| options.enableClassInlining = false; |
| }) |
| .addProgramFiles(classesMatching(outerNestName)) |
| .compile() |
| .inspect( |
| inspector -> { |
| assertEquals(expectedNumClassesLeft, inspector.allClasses().size()); |
| assertNestAttributesCorrect(inspector); |
| }) |
| .run(parameters.getRuntime(), actualMainClassName) |
| .assertSuccessWithOutput(expectedResult); |
| } |
| |
| public static void assertNestAttributesCorrect(CodeInspector inspector) { |
| assertTrue(inspector.allClasses().size() > 0); |
| for (FoundClassSubject classSubject : inspector.allClasses()) { |
| DexClass clazz = classSubject.getDexClass(); |
| if (clazz.isInANest()) { |
| if (clazz.isNestHost()) { |
| // All members are present with the clazz as host |
| for (NestMemberClassAttribute attr : clazz.getNestMembersClassAttributes()) { |
| String memberName = attr.getNestMember().getName(); |
| ClassSubject inner = inspector.clazz(PACKAGE_NAME + memberName); |
| assertNotNull( |
| "The nest member " + memberName + " of " + clazz.type.getName() + " is missing", |
| inner.getDexClass()); |
| assertSame(inner.getDexClass().getNestHost(), clazz.type); |
| } |
| } else { |
| // Nest host is present and with the clazz as member |
| String hostName = clazz.getNestHost().getName(); |
| ClassSubject host = inspector.clazz(PACKAGE_NAME + hostName); |
| assertNotNull( |
| "The nest host " + hostName + " of " + clazz.type.getName() + " is missing", |
| host.getDexClass()); |
| assertTrue( |
| host.getDexClass().getNestMembersClassAttributes().stream() |
| .anyMatch(attr -> attr.getNestMember() == clazz.type)); |
| } |
| } |
| } |
| } |
| } |