| // 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.desugaredlibrary; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import com.android.tools.r8.CompilationMode; |
| import com.android.tools.r8.L8Command; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.OutputMode; |
| import com.android.tools.r8.StringResource; |
| import com.android.tools.r8.TestCompileResult; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.tracereferences.TraceReferences; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.FileUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.ThrowingSupplier; |
| import com.android.tools.r8.utils.codeinspector.CheckCastInstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.InstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.InvokeInstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import com.android.tools.r8.utils.codeinspector.TryCatchSubject; |
| import com.android.tools.r8.utils.codeinspector.TypeSubject; |
| import com.google.common.base.Charsets; |
| import com.google.common.base.Suppliers; |
| import com.google.common.collect.ImmutableSet; |
| import java.nio.file.Path; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.function.Supplier; |
| import java.util.stream.Collectors; |
| 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 JavaTimeTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final boolean shrinkDesugaredLibrary; |
| private final boolean traceReferencesKeepRules; |
| private static final String expectedOutput = |
| StringUtils.lines( |
| "Caught java.time.format.DateTimeParseException", |
| "true", |
| "1970-01-02T10:17:36.789Z", |
| "GMT", |
| "GMT", |
| "Hello, world"); |
| |
| @Parameters(name = "{2}, shrinkDesugaredLibrary: {0}, traceReferencesKeepRules {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| BooleanUtils.values(), |
| BooleanUtils.values(), |
| getTestParameters() |
| .withAllRuntimes() |
| .withAllApiLevelsAlsoForCf() |
| .withApiLevel(AndroidApiLevel.N) |
| .build()); |
| } |
| |
| public JavaTimeTest( |
| boolean shrinkDesugaredLibrary, boolean traceReferencesKeepRules, TestParameters parameters) { |
| this.shrinkDesugaredLibrary = shrinkDesugaredLibrary; |
| this.traceReferencesKeepRules = traceReferencesKeepRules; |
| this.parameters = parameters; |
| } |
| |
| private void checkRewrittenInvokes(CodeInspector inspector) { |
| Set<String> expectedInvokeHolders; |
| Set<String> expectedCatchGuards; |
| Set<String> expectedCheckCastType; |
| String expectedInstanceOfTypes; |
| if (parameters.getApiLevel().getLevel() >= 26) { |
| expectedInvokeHolders = |
| ImmutableSet.of( |
| "java.time.Clock", "java.time.LocalDate", "java.time.ZoneOffset", "java.time.ZoneId"); |
| expectedCatchGuards = ImmutableSet.of("java.time.format.DateTimeParseException"); |
| expectedCheckCastType = ImmutableSet.of("java.time.ZoneId"); |
| expectedInstanceOfTypes = "java.time.ZoneOffset"; |
| } else { |
| expectedInvokeHolders = |
| ImmutableSet.of( |
| "j$.time.Clock", "j$.time.LocalDate", "j$.time.ZoneOffset", "j$.time.ZoneId"); |
| expectedCatchGuards = ImmutableSet.of("j$.time.format.DateTimeParseException"); |
| expectedCheckCastType = ImmutableSet.of("j$.time.ZoneId"); |
| expectedInstanceOfTypes = "j$.time.ZoneOffset"; |
| } |
| ClassSubject classSubject = inspector.clazz(TestClass.class); |
| assertThat(classSubject, isPresent()); |
| MethodSubject main = classSubject.uniqueMethodWithName("main"); |
| Set<String> foundInvokeHolders = |
| main.streamInstructions() |
| .filter(InstructionSubject::isInvoke) |
| .map( |
| instructionSubject -> |
| ((InvokeInstructionSubject) instructionSubject).holder().toString()) |
| .filter(holder -> holder.startsWith("j$.time.") || holder.startsWith("java.time.")) |
| .collect(Collectors.toSet()); |
| assertEquals(expectedInvokeHolders, foundInvokeHolders); |
| main.streamInstructions() |
| .filter(InstructionSubject::isCheckCast) |
| .map(InstructionSubject::asCheckCast) |
| .map(CheckCastInstructionSubject::getType) |
| .map(DexType::toSourceString) |
| .collect(Collectors.toSet()) |
| .equals(expectedCheckCastType); |
| assertEquals( |
| 1, |
| main.streamInstructions().filter(io -> io.isInstanceOf(expectedInstanceOfTypes)).count()); |
| |
| Set<String> foundCatchGuards = |
| main.streamTryCatches() |
| .flatMap(TryCatchSubject::streamGuards) |
| .map(TypeSubject::toString) |
| .collect(Collectors.toSet()); |
| assertEquals(expectedCatchGuards, foundCatchGuards); |
| } |
| |
| // Build the desugared library in class file format. |
| private Path buildDesugaredLibraryClassFile() throws Exception { |
| Path desugaredLib = temp.newFolder().toPath().resolve("desugar_jdk_libs.jar"); |
| L8Command.Builder l8Builder = |
| L8Command.builder() |
| .addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.P)) |
| .addProgramFiles(ToolHelper.getDesugarJDKLibs()) |
| .addProgramFiles(ToolHelper.DESUGAR_LIB_CONVERSIONS) |
| .setMode(CompilationMode.DEBUG) |
| .addDesugaredLibraryConfiguration( |
| StringResource.fromFile(ToolHelper.DESUGAR_LIB_JSON_FOR_TESTING)) |
| .setMinApiLevel(parameters.getApiLevel().getLevel()) |
| .setOutput(desugaredLib, OutputMode.ClassFile); |
| ToolHelper.runL8(l8Builder.build()); |
| return desugaredLib; |
| } |
| |
| Supplier<Path> desugaredLibraryClassFile = |
| Suppliers.memoize( |
| () -> { |
| try { |
| return buildDesugaredLibraryClassFile(); |
| } catch (Exception e) { |
| fail("Unexpected"); |
| return null; |
| } |
| }); |
| |
| private String collectKeepRulesWithTraceReferences( |
| Path desugaredProgramClassFile, Path desugaredLibraryClassFile) throws Exception { |
| Path generatedKeepRules = temp.newFile().toPath(); |
| TraceReferences.run( |
| "--format", "keep", |
| "--lib", ToolHelper.getAndroidJar(AndroidApiLevel.P).toString(), |
| "--target", desugaredLibraryClassFile.toString(), |
| "--source", desugaredProgramClassFile.toString(), |
| "--output", generatedKeepRules.toString()); |
| return FileUtils.readTextFile(generatedKeepRules, Charsets.UTF_8); |
| } |
| |
| private String desugaredLibraryKeepRules( |
| KeepRuleConsumer keepRuleConsumer, ThrowingSupplier<Path, Exception> programSupplier) |
| throws Exception { |
| String desugaredLibraryKeepRules = null; |
| if (shrinkDesugaredLibrary) { |
| desugaredLibraryKeepRules = keepRuleConsumer.get(); |
| if (desugaredLibraryKeepRules != null) { |
| if (traceReferencesKeepRules) { |
| desugaredLibraryKeepRules = |
| collectKeepRulesWithTraceReferences( |
| programSupplier.get(), desugaredLibraryClassFile.get()); |
| } |
| } |
| } |
| return desugaredLibraryKeepRules; |
| } |
| |
| @Test |
| public void testTimeD8Cf() throws Exception { |
| Assume.assumeTrue(shrinkDesugaredLibrary || !traceReferencesKeepRules); |
| |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| // Use D8 to desugar with Java classfile output. |
| Path jar = |
| testForD8(Backend.CF) |
| .addInnerClasses(JavaTimeTest.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .inspect(this::checkRewrittenInvokes) |
| .writeToZip(); |
| |
| String desugaredLibraryKeepRules; |
| if (shrinkDesugaredLibrary && !traceReferencesKeepRules && keepRuleConsumer.get() != null) { |
| // Collection keep rules is only implemented in the DEX writer. |
| assertEquals(0, keepRuleConsumer.get().length()); |
| desugaredLibraryKeepRules = "-keep class * { *; }"; |
| } else { |
| desugaredLibraryKeepRules = desugaredLibraryKeepRules(keepRuleConsumer, () -> jar); |
| } |
| |
| // Determine desugared library keep rules. |
| if (parameters.getRuntime().isDex()) { |
| // Convert to DEX without desugaring and run. |
| testForD8() |
| .addProgramFiles(jar) |
| .setMinApi(parameters.getApiLevel()) |
| .disableDesugaring() |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| desugaredLibraryKeepRules, |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } else { |
| // Run on the JVM with desugared library on classpath. |
| testForJvm() |
| .addProgramFiles(jar) |
| .addRunClasspathFiles(desugaredLibraryClassFile.get()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } |
| } |
| |
| @Test |
| public void testTimeD8() throws Exception { |
| Assume.assumeTrue(parameters.getRuntime().isDex()); |
| Assume.assumeTrue(shrinkDesugaredLibrary || !traceReferencesKeepRules); |
| |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| TestCompileResult<?, ?> result = |
| testForD8() |
| .addInnerClasses(JavaTimeTest.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .inspect(this::checkRewrittenInvokes); |
| result |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| desugaredLibraryKeepRules(keepRuleConsumer, result::writeToZip), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } |
| |
| @Test |
| public void testTimeR8() throws Exception { |
| Assume.assumeTrue(parameters.getRuntime().isDex()); |
| Assume.assumeTrue(shrinkDesugaredLibrary || !traceReferencesKeepRules); |
| |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| TestCompileResult<?, ?> result = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(JavaTimeTest.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .enableInliningAnnotations() |
| .compile() |
| .inspect(this::checkRewrittenInvokes); |
| result |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| desugaredLibraryKeepRules(keepRuleConsumer, result::writeToZip), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } |
| |
| static class TestClass { |
| |
| @NeverInline |
| public static Object newObjectInstance() { |
| return System.currentTimeMillis() > 0 ? new Object() : null; |
| } |
| |
| @NeverInline |
| public static Object nullReference() { |
| return System.currentTimeMillis() > 0 ? null : new Object(); |
| } |
| |
| public static void main(String[] args) { |
| java.time.Clock.systemDefaultZone(); |
| try { |
| java.time.LocalDate.parse(""); |
| } catch (java.time.format.DateTimeParseException e) { |
| System.out.println("Caught java.time.format.DateTimeParseException"); |
| } |
| java.time.ZoneId id = (java.time.ZoneId) nullReference(); |
| if (newObjectInstance() instanceof java.time.ZoneOffset) { |
| System.out.println("NOT!"); |
| } |
| System.out.println(java.time.ZoneOffset.getAvailableZoneIds().size() > 0); |
| |
| System.out.println( |
| java.util.Date.from(new java.util.Date(123456789).toInstant()).toInstant()); |
| |
| java.util.TimeZone timeZone = java.util.TimeZone.getTimeZone(java.time.ZoneId.of("GMT")); |
| System.out.println(timeZone.getID()); |
| System.out.println(timeZone.toZoneId().getId()); |
| |
| System.out.println("Hello, world"); |
| } |
| } |
| } |
