| // Copyright (c) 2022, 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.D8_L8DEBUG; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.DEFAULT_SPECIFICATIONS; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK8; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.getJdk8Jdk11; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| 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 java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| import org.junit.Assume; |
| 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 CollectionOfTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final LibraryDesugaringSpecification libraryDesugaringSpecification; |
| private final CompilationSpecification compilationSpecification; |
| |
| private static final Path INPUT_JAR = |
| Paths.get(ToolHelper.EXAMPLES_JAVA9_BUILD_DIR + "collectionof.jar"); |
| private static final String EXPECTED_OUTPUT_BACKPORT = StringUtils.lines("false", "false"); |
| private static final String EXPECTED_OUTPUT_CORRECT = StringUtils.lines("npe", "npe"); |
| private static final String MAIN_CLASS = "collectionof.CollectionOfMain"; |
| |
| @Parameters(name = "{0}, spec: {1}, {2}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withDexRuntimes().withAllApiLevels().build(), |
| getJdk8Jdk11(), |
| DEFAULT_SPECIFICATIONS); |
| } |
| |
| public CollectionOfTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification) { |
| this.parameters = parameters; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| this.compilationSpecification = compilationSpecification; |
| } |
| |
| private String getExpectedOutput(boolean desugaredLib) { |
| if (parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.R)) { |
| return EXPECTED_OUTPUT_CORRECT; |
| } |
| if (desugaredLib && libraryDesugaringSpecification != JDK8) { |
| if (parameters.getApiLevel().isLessThan(AndroidApiLevel.N)) { |
| return EXPECTED_OUTPUT_CORRECT; |
| } |
| // TODO(b/243679691): This should also be correct, but is not because we use backports in |
| // partial desugaring. |
| return EXPECTED_OUTPUT_BACKPORT; |
| } |
| return EXPECTED_OUTPUT_BACKPORT; |
| } |
| |
| @Test |
| public void testCollectionOf() throws Throwable { |
| testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addProgramFiles(INPUT_JAR) |
| .addKeepMainRule(MAIN_CLASS) |
| .run(parameters.getRuntime(), MAIN_CLASS) |
| .assertSuccessWithOutput(getExpectedOutput(true)); |
| } |
| |
| @Test |
| public void testCollectionOfReference() throws Throwable { |
| Assume.assumeTrue( |
| "Run only once", |
| libraryDesugaringSpecification == JDK8 && compilationSpecification == D8_L8DEBUG); |
| testForD8() |
| .addProgramFiles(INPUT_JAR) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), MAIN_CLASS) |
| .assertSuccessWithOutput(getExpectedOutput(false)); |
| } |
| } |