| // 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.CLASSES_PATH; |
| import static com.android.tools.r8.desugar.nestaccesscontrol.NestAccessControlTestUtils.CLASS_NAMES; |
| import static com.android.tools.r8.desugar.nestaccesscontrol.NestAccessControlTestUtils.JAR; |
| import static com.android.tools.r8.desugar.nestaccesscontrol.NestAccessControlTestUtils.getExpectedResult; |
| import static com.android.tools.r8.desugar.nestaccesscontrol.NestAccessControlTestUtils.getMainClass; |
| import static com.android.tools.r8.utils.FileUtils.CLASS_EXTENSION; |
| import static java.util.stream.Collectors.toList; |
| import static org.hamcrest.core.StringContains.containsString; |
| import static org.hamcrest.core.StringEndsWith.endsWith; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.D8TestCompileResult; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.FoundClassSubject; |
| import com.android.tools.r8.utils.codeinspector.FoundMethodSubject; |
| import java.nio.file.Path; |
| import java.util.List; |
| import org.hamcrest.Matcher; |
| 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 NestOnProgramAndClassPathTest extends TestBase { |
| |
| public NestOnProgramAndClassPathTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withDexRuntimes().withAllApiLevels().build(); |
| } |
| |
| @Test |
| public void testD8MethodBridgesPresent() throws Exception { |
| Assume.assumeTrue(parameters.isDexRuntime()); |
| // 1 inner class. |
| D8TestCompileResult singleInner = |
| compileClassesWithD8ProgramClassesMatching( |
| containsString("BasicNestHostWithInnerClassMethods$BasicNestedClass")); |
| singleInner.inspect(inspector -> assertThisNumberOfBridges(inspector, 2)); |
| // Outer class. |
| D8TestCompileResult host = |
| compileClassesWithD8ProgramClassesMatching(endsWith("BasicNestHostWithInnerClassMethods")); |
| host.inspect(inspector -> assertThisNumberOfBridges(inspector, 2)); |
| // 2 inner classes. |
| D8TestCompileResult multipleInner = |
| compileClassesWithD8ProgramClassesMatching( |
| containsString("NestHostExample$StaticNestMemberInner")); |
| multipleInner.inspect(inspector -> assertThisNumberOfBridges(inspector, 5)); |
| } |
| |
| @Test |
| public void testD8ConstructorBridgesPresent() throws Exception { |
| Assume.assumeTrue(parameters.isDexRuntime()); |
| D8TestCompileResult inner = |
| compileClassesWithD8ProgramClassesMatching( |
| containsString("BasicNestHostWithInnerClassConstructors$BasicNestedClass")); |
| inner.inspect( |
| inspector -> { |
| assertThisNumberOfBridges(inspector, 2); |
| assertNestConstructor(inspector); |
| }); |
| D8TestCompileResult host = |
| compileClassesWithD8ProgramClassesMatching( |
| endsWith("BasicNestHostWithInnerClassConstructors")); |
| host.inspect( |
| inspector -> { |
| assertThisNumberOfBridges(inspector, 1); |
| assertNestConstructor(inspector); |
| }); |
| } |
| |
| @Test |
| public void testD8ConstructorNestMergeCorrect() throws Exception { |
| // Multiple Nest Constructor classes have to be merged here. |
| Assume.assumeTrue(parameters.isDexRuntime()); |
| D8TestCompileResult inner = |
| compileClassesWithD8ProgramClassesMatching( |
| containsString("BasicNestHostWithInnerClassConstructors$BasicNestedClass")); |
| D8TestCompileResult host = |
| compileClassesWithD8ProgramClassesMatching( |
| endsWith("BasicNestHostWithInnerClassConstructors")); |
| testForD8() |
| .addProgramFiles(inner.writeToZip(), host.writeToZip()) |
| .setMinApi(parameters.getApiLevel()) |
| .addOptionsModification(options -> options.enableNestBasedAccessDesugaring = true) |
| .compile() |
| .inspect(inspector -> assertEquals(3, inspector.allClasses().size())) |
| .run(parameters.getRuntime(), getMainClass("constructors")) |
| .assertSuccessWithOutput(getExpectedResult("constructors")); |
| } |
| |
| private D8TestCompileResult compileClassesWithD8ProgramClassesMatching(Matcher<String> matcher) |
| throws Exception { |
| List<Path> matchingClasses = |
| CLASS_NAMES.stream() |
| .filter(matcher::matches) |
| .map(name -> CLASSES_PATH.resolve(name + CLASS_EXTENSION)) |
| .collect(toList()); |
| return testForD8() |
| .setMinApi(parameters.getApiLevel()) |
| .addProgramFiles(matchingClasses) |
| .addClasspathFiles(JAR) |
| .addOptionsModification(options -> options.enableNestBasedAccessDesugaring = true) |
| .compile(); |
| } |
| |
| private static void assertNestConstructor(CodeInspector inspector) { |
| assertTrue(inspector.allClasses().stream().anyMatch(FoundClassSubject::isSynthetic)); |
| } |
| |
| private static void assertThisNumberOfBridges(CodeInspector inspector, int numBridges) { |
| for (FoundClassSubject clazz : inspector.allClasses()) { |
| if (!clazz.isSynthetic()) { |
| assertEquals(numBridges, clazz.allMethods(FoundMethodSubject::isSynthetic).size()); |
| } |
| } |
| } |
| } |