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// Copyright (c) 2023, 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.globalsynthetics;
import static org.junit.Assert.assertEquals;
import com.android.tools.r8.DexIndexedConsumer;
import com.android.tools.r8.GlobalSyntheticsGenerator;
import com.android.tools.r8.GlobalSyntheticsGeneratorCommand;
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.graph.DexItemFactory;
import com.android.tools.r8.references.Reference;
import com.android.tools.r8.utils.AndroidApiLevel;
import com.android.tools.r8.utils.SetUtils;
import com.android.tools.r8.utils.codeinspector.CodeInspector;
import com.android.tools.r8.utils.codeinspector.FoundClassSubject;
import java.nio.file.Path;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
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 GlobalSyntheticsEnsureClassesOutputTest extends TestBase {
@Parameters(name = "{0}")
public static TestParametersCollection data() {
return getTestParameters().withNoneRuntime().build();
}
public GlobalSyntheticsEnsureClassesOutputTest(TestParameters parameters) {
parameters.assertNoneRuntime();
}
@Test
public void testNumberOfClassesOnK() throws Exception {
Path output = temp.newFolder().toPath().resolve("output.zip");
GlobalSyntheticsGenerator.run(
GlobalSyntheticsGeneratorCommand.builder()
.addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.API_DATABASE_LEVEL))
.setMinApiLevel(AndroidApiLevel.K.getLevel())
.setProgramConsumer(new DexIndexedConsumer.ArchiveConsumer(output))
.build());
CodeInspector inspector = new CodeInspector(output);
assertEquals(1044, inspector.allClasses().size());
}
@Test
public void testNumberOfClassesOnLatest() throws Exception {
Path output = temp.newFolder().toPath().resolve("output.zip");
GlobalSyntheticsGenerator.run(
GlobalSyntheticsGeneratorCommand.builder()
.addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.API_DATABASE_LEVEL))
.setMinApiLevel(AndroidApiLevel.LATEST.getLevel())
.setProgramConsumer(new DexIndexedConsumer.ArchiveConsumer(output))
.build());
Set<String> expectedInOutput = new HashSet<>();
// The output contains a RecordTag type that is mapped back to the original java.lang.Record by
// our codeinspector.
expectedInOutput.add("Ljava/lang/Record;");
expectedInOutput.add("Ljava/lang/invoke/VarHandle;");
expectedInOutput.add("Ljava/lang/invoke/MethodHandles$Lookup;");
assertEquals(
expectedInOutput,
new CodeInspector(output)
.allClasses().stream()
.map(FoundClassSubject::getFinalDescriptor)
.collect(Collectors.toSet()));
}
@Test
public void testClassFileListOutput() throws Exception {
Set<String> generatedGlobalSynthetics = SetUtils.newConcurrentHashSet();
Path output = temp.newFolder().toPath().resolve("output.zip");
runGlobalSyntheticsGenerator(
GlobalSyntheticsGeneratorCommand.builder()
.addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.API_DATABASE_LEVEL))
.setMinApiLevel(AndroidApiLevel.K.getLevel())
.setProgramConsumer(new DexIndexedConsumer.ArchiveConsumer(output))
.build(),
options ->
options.testing.globalSyntheticCreatedCallback =
programClass -> {
if (programClass
.getClassReference()
.getDescriptor()
.equals(DexItemFactory.varHandleDescriptorString)) {
// We emit a desugared var handle. Rewrite it here to allow checking for final
// type names.
generatedGlobalSynthetics.add(
Reference.classFromDescriptor(
DexItemFactory.desugarVarHandleDescriptorString)
.getTypeName());
} else if (programClass
.getClassReference()
.getDescriptor()
.equals(DexItemFactory.methodHandlesLookupDescriptorString)) {
// We emit a desugared var handle. Rewrite it here to allow checking for final
// type names.
generatedGlobalSynthetics.add(
Reference.classFromDescriptor(
DexItemFactory.desugarMethodHandlesLookupDescriptorString)
.getTypeName());
} else {
generatedGlobalSynthetics.add(programClass.getTypeName());
}
});
Set<String> readGlobalSynthetics =
new CodeInspector(output)
.allClasses().stream().map(FoundClassSubject::getFinalName).collect(Collectors.toSet());
assertEquals(generatedGlobalSynthetics, readGlobalSynthetics);
}
}