| // 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.corelib; |
| |
| import static org.hamcrest.core.IsNot.not; |
| import static org.hamcrest.core.StringContains.containsString; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import java.time.LocalDateTime; |
| import java.time.ZoneOffset; |
| import java.time.zone.ZoneOffsetTransition; |
| import java.util.Objects; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| // In this test both the desugared library and the program have the same utility class. |
| @RunWith(Parameterized.class) |
| public class DoubleUtilityClassTest extends CoreLibDesugarTestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withDexRuntimes().withAllApiLevels().build(); |
| } |
| |
| public DoubleUtilityClassTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testDoubleUtility() throws Exception { |
| for (Class<?> executor : new Class<?>[] {ExecutorV1.class, ExecutorV2.class}) { |
| testForD8() |
| .addProgramClasses(executor) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel()) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, parameters.getApiLevel()) |
| .run(parameters.getRuntime(), executor) |
| .assertSuccess() |
| // Verification error on some Dalvik VMs (4,api 1;4,api 15;4.4,api 1). |
| .assertStderrMatches( |
| not( |
| containsString( |
| "(Lcom/android/tools/r8/desugar/corelib/DoubleUtilityClassTest$Executor; had" |
| + " used a different" |
| + " L$r8$backportedMethods$utility$Objects$requireNonNullMessage; during" |
| + " pre-verification) (dalvikvm)"))); |
| } |
| } |
| |
| // ExecutorV1 and V2 look the same, *but* only one of them triggers the verification |
| // error on Dalvik VMs. |
| public static class ExecutorV1 { |
| |
| public static void main(String[] args) { |
| programCalls(); |
| } |
| |
| public static void programCalls() { |
| System.out.println(Objects.requireNonNull("string", "transition")); |
| System.out.println(Objects.hashCode("foo")); |
| System.out.println(Long.hashCode(1L)); |
| System.out.println(Long.compareUnsigned(1L, 2L)); |
| System.out.println(Integer.hashCode(1)); |
| System.out.println(Double.hashCode(1.0)); |
| } |
| } |
| |
| public static class ExecutorV2 { |
| |
| public static void main(String[] args) { |
| programCalls(); |
| libraryCalls(); |
| } |
| |
| public static void libraryCalls() { |
| System.out.println( |
| ZoneOffsetTransition.of( |
| LocalDateTime.of(2008, 3, 9, 2, 0, 0, 0), ZoneOffset.UTC, ZoneOffset.MAX)); |
| } |
| |
| public static void programCalls() { |
| System.out.println(Objects.requireNonNull("string", "transition")); |
| System.out.println(Objects.hashCode("foo")); |
| System.out.println(Long.hashCode(1L)); |
| System.out.println(Long.compareUnsigned(1L, 2L)); |
| System.out.println(Integer.hashCode(1)); |
| System.out.println(Double.hashCode(1.0)); |
| } |
| } |
| } |