| // 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 static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.SPECIFICATIONS_WITH_CF2CF; |
| import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.getJdk8Jdk11; |
| |
| 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.StringUtils; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.ListIterator; |
| import java.util.Spliterator; |
| 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 CustomCollectionForwardingTest 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(), |
| SPECIFICATIONS_WITH_CF2CF); |
| } |
| |
| public CustomCollectionForwardingTest( |
| TestParameters parameters, |
| LibraryDesugaringSpecification libraryDesugaringSpecification, |
| CompilationSpecification compilationSpecification) { |
| this.parameters = parameters; |
| this.compilationSpecification = compilationSpecification; |
| this.libraryDesugaringSpecification = libraryDesugaringSpecification; |
| } |
| |
| @Test |
| public void testCollection() throws Exception { |
| testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Executor.class) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertSuccessWithOutput( |
| StringUtils.lines("false", "false", "false", "false", "false", "false")); |
| } |
| |
| static class Executor { |
| |
| public static void main(String[] args) { |
| CustomArrayList<Object> objects = new CustomArrayList<>(); |
| System.out.println(objects.spliterator().hasCharacteristics(Spliterator.CONCURRENT)); |
| System.out.println(objects.stream().spliterator().hasCharacteristics(Spliterator.CONCURRENT)); |
| |
| CustomLinkedHashSet<Object> objects2 = new CustomLinkedHashSet<>(); |
| System.out.println(objects2.spliterator().hasCharacteristics(Spliterator.CONCURRENT)); |
| System.out.println( |
| objects2.stream().spliterator().hasCharacteristics(Spliterator.CONCURRENT)); |
| |
| CustomList<Object> objects3 = new CustomList<>(); |
| System.out.println(objects3.spliterator().hasCharacteristics(Spliterator.CONCURRENT)); |
| System.out.println( |
| objects3.stream().spliterator().hasCharacteristics(Spliterator.CONCURRENT)); |
| } |
| } |
| |
| static class CustomArrayList<E> extends ArrayList<E> implements Collection<E> {} |
| |
| static class CustomLinkedHashSet<E> extends LinkedHashSet<E> implements Collection<E> {} |
| |
| static class CustomList<E> implements Collection<E>, List<E> { |
| |
| @Override |
| public int size() { |
| return 0; |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| return false; |
| } |
| |
| @Override |
| public boolean contains(Object o) { |
| return false; |
| } |
| |
| @Override |
| public Iterator<E> iterator() { |
| return null; |
| } |
| |
| @Override |
| public Object[] toArray() { |
| return new Object[0]; |
| } |
| |
| @Override |
| public <T> T[] toArray(T[] a) { |
| return null; |
| } |
| |
| @Override |
| public boolean add(E e) { |
| return false; |
| } |
| |
| @Override |
| public boolean remove(Object o) { |
| return false; |
| } |
| |
| @Override |
| public boolean containsAll(Collection<?> c) { |
| return false; |
| } |
| |
| @Override |
| public boolean addAll(Collection<? extends E> c) { |
| return false; |
| } |
| |
| @Override |
| public boolean addAll(int index, Collection<? extends E> c) { |
| return false; |
| } |
| |
| @Override |
| public boolean removeAll(Collection<?> c) { |
| return false; |
| } |
| |
| @Override |
| public boolean retainAll(Collection<?> c) { |
| return false; |
| } |
| |
| @Override |
| public void clear() {} |
| |
| @Override |
| public E get(int index) { |
| return null; |
| } |
| |
| @Override |
| public E set(int index, E element) { |
| return null; |
| } |
| |
| @Override |
| public void add(int index, E element) {} |
| |
| @Override |
| public E remove(int index) { |
| return null; |
| } |
| |
| @Override |
| public int indexOf(Object o) { |
| return 0; |
| } |
| |
| @Override |
| public int lastIndexOf(Object o) { |
| return 0; |
| } |
| |
| @Override |
| public ListIterator<E> listIterator() { |
| return null; |
| } |
| |
| @Override |
| public ListIterator<E> listIterator(int index) { |
| return null; |
| } |
| |
| @Override |
| public List<E> subList(int fromIndex, int toIndex) { |
| return null; |
| } |
| } |
| } |