| // 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.DEFAULT_SPECIFICATIONS; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.getJdk8Jdk11; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.CustomLibrarySpecification; |
| import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.function.Consumer; |
| 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 DontKeepBootstrapClassesTest 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().withDexRuntimes().withAllApiLevels().build(), |
| getJdk8Jdk11(), |
| DEFAULT_SPECIFICATIONS); |
| } |
| |
| public DontKeepBootstrapClassesTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification) { |
| this.parameters = parameters; |
| this.compilationSpecification = compilationSpecification; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| } |
| |
| @Test |
| public void testDontKeep() throws Throwable { |
| testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addProgramClasses(TestClass.class) |
| .addKeepMainRule(TestClass.class) |
| .setCustomLibrarySpecification( |
| new CustomLibrarySpecification(CustomLibClass.class, AndroidApiLevel.N)) |
| .compile() |
| .inspectKeepRules( |
| keepRule -> { |
| if (libraryDesugaringSpecification.hasEmulatedInterfaceDesugaring(parameters)) { |
| String prefix = libraryDesugaringSpecification.functionPrefix(parameters); |
| assertTrue( |
| keepRule.stream() |
| .anyMatch( |
| kr -> |
| kr.contains("-keep class " + prefix + ".util.function.Consumer"))); |
| // TODO(b/158635415): Don't generate keep rules targeting items outside desugared |
| // library. |
| assertTrue(keepRule.stream().anyMatch(kr -> kr.contains("-keep class java.util"))); |
| } |
| }); |
| } |
| |
| static class CustomLibClass { |
| |
| public static <T> Consumer<T> id(Consumer<T> fn) { |
| return fn; |
| } |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| Arrays.asList("A", "B", "C").forEach(CustomLibClass.id(System.out::println)); |
| } |
| } |
| } |