| // 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.desugar.desugaredlibrary.test.CompilationSpecification.SPECIFICATIONS_WITH_CF2CF; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.io.BufferedReader; |
| import java.io.StringReader; |
| import java.io.UncheckedIOException; |
| 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 BufferedReaderTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final CompilationSpecification compilationSpecification; |
| private final LibraryDesugaringSpecification libraryDesugaringSpecification; |
| |
| @Parameters(name = "{0}, spec: {1}, {2}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters() |
| .withAllRuntimes() |
| .withAllApiLevelsAlsoForCf() |
| .withApiLevel(AndroidApiLevel.N) |
| .build(), |
| ImmutableList.of(LibraryDesugaringSpecification.JDK11), |
| SPECIFICATIONS_WITH_CF2CF); |
| } |
| |
| public BufferedReaderTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification) { |
| this.parameters = parameters; |
| this.compilationSpecification = compilationSpecification; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| } |
| |
| private String expectedOutput() { |
| return StringUtils.lines("Hello", "Larry", "Page", "Caught java.io.UncheckedIOException"); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addInnerClasses(BufferedReaderTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableInliningAnnotations() |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(expectedOutput()); |
| } |
| |
| static class TestClass { |
| |
| @NeverInline |
| public static void testBufferedReaderLines() throws Exception { |
| try (BufferedReader reader = new BufferedReader(new StringReader("Hello\nLarry\nPage"))) { |
| reader.lines().forEach(System.out::println); |
| } |
| } |
| |
| @NeverInline |
| public static void testBufferedReaderLines_uncheckedIoException() throws Exception { |
| BufferedReader reader = new BufferedReader(new StringReader("")); |
| reader.close(); |
| try { |
| reader.lines().count(); |
| System.out.println("UncheckedIOException expected"); |
| } catch (UncheckedIOException expected) { |
| System.out.println("Caught " + expected.getClass().getName()); |
| } catch (Throwable t) { |
| System.out.println("Caught unexpected" + t.getClass().getName()); |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| testBufferedReaderLines(); |
| testBufferedReaderLines_uncheckedIoException(); |
| } |
| } |
| } |