| // Copyright (c) 2020, 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 com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.shaking.ProguardKeepAttributes; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import java.time.LocalDate; |
| import java.util.List; |
| 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 DesugaredGenericSignatureTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final boolean shrinkDesugaredLibrary; |
| private static final String EXPECTED = StringUtils.lines("1970", "1", "2"); |
| |
| @Parameters(name = "{1}, shrinkDesugaredLibrary: {0}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withDexRuntimes().withAllApiLevels().build(), BooleanUtils.values()); |
| } |
| |
| public DesugaredGenericSignatureTest(TestParameters parameters, boolean shrinkDesugaredLibrary) { |
| this.parameters = parameters; |
| this.shrinkDesugaredLibrary = shrinkDesugaredLibrary; |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForD8() |
| .addInnerClasses(DesugaredGenericSignatureTest.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .setIncludeClassesChecksum(true) |
| .compile() |
| .inspect(this::checkRewrittenSignature) |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(DesugaredGenericSignatureTest.class) |
| .addKeepMainRule(Main.class) |
| .addKeepAllClassesRuleWithAllowObfuscation() |
| .addKeepAttributes( |
| ProguardKeepAttributes.SIGNATURE, |
| ProguardKeepAttributes.INNER_CLASSES, |
| ProguardKeepAttributes.ENCLOSING_METHOD) |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .inspect(this::checkRewrittenSignature) |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| private void checkRewrittenSignature(CodeInspector inspector) { |
| if (!requiresEmulatedInterfaceCoreLibDesugaring(parameters)) { |
| return; |
| } |
| ClassSubject javaTimeBox = inspector.clazz(JavaTimeDateBox.class); |
| assertThat(javaTimeBox, isPresent()); |
| ClassSubject box = inspector.clazz(Box.class); |
| assertThat(box, isPresent()); |
| String finalBoxDescriptor = box.getFinalDescriptor(); |
| assertEquals( |
| "Ljava/lang/Object;" |
| + finalBoxDescriptor.substring(0, finalBoxDescriptor.length() - 1) |
| + "<Lj$/time/LocalDate;>;", |
| javaTimeBox.getFinalSignatureAttribute()); |
| } |
| |
| public interface Box<T> { |
| T addOne(T t); |
| } |
| |
| public static class JavaTimeDateBox implements Box<java.time.LocalDate> { |
| |
| @Override |
| @NeverInline |
| public LocalDate addOne(LocalDate localDate) { |
| return localDate.plusDays(1); |
| } |
| } |
| |
| public static class Main { |
| |
| public static Box<java.time.LocalDate> bar() { |
| return new JavaTimeDateBox(); |
| } |
| |
| public static void main(String[] args) { |
| LocalDate localDate = bar().addOne(LocalDate.of(1970, 1, 1)); |
| System.out.println(localDate.getYear()); |
| System.out.println(localDate.getMonthValue()); |
| System.out.println(localDate.getDayOfMonth()); |
| } |
| } |
| } |