| // Copyright (c) 2021, 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.tracereferences; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.DiagnosticsHandler; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.references.MethodReference; |
| import com.android.tools.r8.references.Reference; |
| import com.android.tools.r8.utils.ZipUtils.ZipBuilder; |
| import com.google.common.collect.ImmutableSet; |
| import java.nio.file.Path; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| 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 TraceReferenceLambdaImplementedInterfaceIntersectionTest extends TestBase { |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withNoneRuntime().build(); |
| } |
| |
| public TraceReferenceLambdaImplementedInterfaceIntersectionTest(TestParameters parameters) { |
| parameters.assertNoneRuntime(); |
| } |
| |
| static class SeenReferencesConsumer implements TraceReferencesConsumer { |
| |
| private Set<MethodReference> seenMethods = new HashSet<>(); |
| |
| @Override |
| public void acceptType(TracedClass tracedClass, DiagnosticsHandler handler) {} |
| |
| @Override |
| public void acceptField(TracedField tracedField, DiagnosticsHandler handler) {} |
| |
| @Override |
| public void acceptMethod(TracedMethod tracedMethod, DiagnosticsHandler handler) { |
| seenMethods.add(tracedMethod.getReference()); |
| } |
| } |
| |
| @Test |
| public void test() throws Throwable { |
| Path dir = temp.newFolder().toPath(); |
| Path targetJar = |
| ZipBuilder.builder(dir.resolve("target.jar")) |
| .addFilesRelative( |
| ToolHelper.getClassPathForTests(), |
| ToolHelper.getClassFileForTestClass(I.class), |
| ToolHelper.getClassFileForTestClass(J.class)) |
| .build(); |
| Path sourceJar = |
| ZipBuilder.builder(dir.resolve("source.jar")) |
| .addFilesRelative( |
| ToolHelper.getClassPathForTests(), ToolHelper.getClassFileForTestClass(Main.class)) |
| .build(); |
| SeenReferencesConsumer consumer = new SeenReferencesConsumer(); |
| |
| TraceReferences.run( |
| TraceReferencesCommand.builder() |
| .addLibraryFiles(ToolHelper.getMostRecentAndroidJar()) |
| .addSourceFiles(sourceJar) |
| .addTargetFiles(targetJar) |
| .setConsumer(consumer) |
| .build()); |
| |
| ImmutableSet<MethodReference> expectedSet = |
| ImmutableSet.of( |
| Reference.method( |
| Reference.classFromClass(I.class), |
| "m", |
| Collections.emptyList(), |
| Reference.classFromClass(Object.class)), |
| Reference.method( |
| Reference.classFromClass(J.class), |
| "m", |
| Collections.emptyList(), |
| Reference.classFromClass(String.class))); |
| assertEquals(expectedSet, consumer.seenMethods); |
| } |
| |
| interface I { |
| |
| Object m(); |
| } |
| |
| interface J { |
| |
| String m(); |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| I i = (I & J) () -> "Hello"; |
| } |
| } |
| } |