| // 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.conversiontests; |
| |
| import static junit.framework.TestCase.assertTrue; |
| import static org.hamcrest.core.StringContains.containsString; |
| |
| import com.android.tools.r8.TestDiagnosticMessages; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import java.nio.file.Path; |
| import java.time.Year; |
| import java.util.List; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class APIConversionFinalClassTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final boolean shrinkDesugaredLibrary; |
| |
| private static final AndroidApiLevel MIN_SUPPORTED = AndroidApiLevel.O; |
| |
| private static Path customLib; |
| |
| @Parameterized.Parameters(name = "{0}, shrinkDesugaredLibrary: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getConversionParametersUpToExcluding(MIN_SUPPORTED), BooleanUtils.values()); |
| } |
| |
| public APIConversionFinalClassTest(TestParameters parameters, boolean shrinkDesugaredLibrary) { |
| this.shrinkDesugaredLibrary = shrinkDesugaredLibrary; |
| this.parameters = parameters; |
| } |
| |
| @BeforeClass |
| public static void compileCustomLib() throws Exception { |
| customLib = |
| testForD8(getStaticTemp()) |
| .addProgramClasses(CustomLibClass.class) |
| .setMinApi(MIN_SUPPORTED) |
| .compile() |
| .writeToZip(); |
| } |
| |
| @Test |
| public void testFinalMethod() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForD8() |
| .setMinApi(AndroidApiLevel.B) |
| .addProgramClasses(Executor.class) |
| .addLibraryClasses(CustomLibClass.class) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .inspectDiagnosticMessages(this::assertDiagnosis) |
| .addRunClasspathFiles(customLib) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertFailureWithErrorThatMatches(containsString("NoSuchMethodError")); |
| } |
| |
| private void assertDiagnosis(TestDiagnosticMessages d) { |
| assertTrue(d.getInfos().get(0).getDiagnosticMessage().contains("libCall")); |
| } |
| |
| static class Executor { |
| |
| public static void main(String[] args) { |
| System.out.println(CustomLibClass.libCall(Year.now())); |
| } |
| } |
| |
| // This class will be put at compilation time as library and on the runtime class path. |
| // This class is convenient for easy testing. Each method plays the role of methods in the |
| // platform APIs for which argument/return values need conversion. |
| static class CustomLibClass { |
| |
| // We use Year because Year is a final class with no custom conversion but Year has been |
| // unused in the Android library so far. |
| public static long libCall(Year year) { |
| return 0L; |
| } |
| } |
| } |