| // 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; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.util.AbstractCollection; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.function.Predicate; |
| import org.jetbrains.annotations.NotNull; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @SuppressWarnings("ALL") |
| @RunWith(Parameterized.class) |
| public class MinimalInterfaceSuperTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevels().build(); |
| } |
| |
| public MinimalInterfaceSuperTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| private static final String EXPECTED_OUTPUT = StringUtils.lines("removeIf from Col1Itf"); |
| |
| @Test |
| public void testCustomCollectionR8() throws Exception { |
| if (parameters.isCfRuntime()) { |
| testForJvm() |
| .addInnerClasses(MinimalInterfaceSuperTest.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED_OUTPUT); |
| return; |
| } |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(MinimalInterfaceSuperTest.class) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel()) |
| .compile() |
| .assertNoMessages() |
| .addDesugaredCoreLibraryRunClassPath(this::buildDesugaredLibrary, parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED_OUTPUT); |
| } |
| |
| static class Main { |
| public static void main(String[] args) { |
| Col1<Integer> ints1 = new Col1<>(); |
| ints1.removeIf(x -> x == 3); |
| } |
| } |
| |
| interface Col1Itf<E> extends Collection<E> { |
| @Override |
| default boolean removeIf(Predicate<? super E> filter) { |
| System.out.println("removeIf from Col1Itf"); |
| return Collection.super.removeIf(filter); |
| } |
| } |
| |
| static class Col1<E> extends AbstractCollection<E> implements Col1Itf<E> { |
| @NotNull |
| @Override |
| public Iterator<E> iterator() { |
| return Collections.emptyIterator(); |
| } |
| |
| @Override |
| public int size() { |
| return 0; |
| } |
| } |
| } |