| // 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.conversionTests; |
| |
| import static org.hamcrest.CoreMatchers.startsWith; |
| |
| import com.android.tools.r8.TestRuntime.DexRuntime; |
| import com.android.tools.r8.ToolHelper.DexVm; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.nio.file.Path; |
| import java.util.LongSummaryStatistics; |
| import org.junit.Test; |
| |
| public class APIConversionFinalWarningTest extends APIConversionTestBase { |
| |
| @Test |
| public void testFinalMethod() throws Exception { |
| Path customLib = testForD8().addProgramClasses(CustomLibClass.class).compile().writeToZip(); |
| testForD8() |
| .setMinApi(AndroidApiLevel.B) |
| .addProgramClasses(Executor.class) |
| .addLibraryClasses(CustomLibClass.class) |
| .enableCoreLibraryDesugaring(AndroidApiLevel.B) |
| .compile() |
| .assertInfoMessageThatMatches( |
| startsWith( |
| "Desugared library API conversion: cannot wrap final methods" |
| + " [java.util.LongSummaryStatistics")) |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibraryWithConversionExtension, AndroidApiLevel.B) |
| .addRunClasspathFiles(customLib) |
| .run(new DexRuntime(DexVm.ART_9_0_0_HOST), Executor.class) |
| .assertSuccessWithOutput( |
| StringUtils.lines( |
| "Unsupported conversion for java.util.LongSummaryStatistics. See compilation time" |
| + " infos for more details.")); |
| } |
| |
| static class Executor { |
| |
| public static void main(String[] args) { |
| LongSummaryStatistics statistics = new LongSummaryStatistics(); |
| statistics.accept(3L); |
| try { |
| makeCall(statistics); |
| } catch (RuntimeException e) { |
| System.out.println(e.getMessage()); |
| } |
| } |
| |
| @SuppressWarnings("ResultOfMethodCallIgnored") |
| static void makeCall(LongSummaryStatistics statistics) { |
| CustomLibClass.call(statistics); |
| } |
| } |
| |
| // 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 { |
| |
| public static long call(LongSummaryStatistics stats) { |
| return stats.getMax(); |
| } |
| } |
| } |