| // 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.DEFAULT_SPECIFICATIONS; |
| 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.Collection; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.function.Predicate; |
| 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 CustomCollectionInterfaceSuperTest extends DesugaredLibraryTestBase { |
| |
| private static final String EXPECTED_OUTPUT = |
| StringUtils.lines( |
| "removeIf from MyCol1", |
| "removeIf from MyCol1", |
| "removeIf from MyCol2", |
| "removeIf from MyCol1", |
| "removeIf from MyCol2", |
| "removeIf from MyCol1"); |
| |
| 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 CustomCollectionInterfaceSuperTest( |
| 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(Main.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED_OUTPUT); |
| } |
| |
| static class Main { |
| |
| @SuppressWarnings({ |
| "MismatchedQueryAndUpdateOfCollection", |
| "RedundantOperationOnEmptyContainer" |
| }) |
| public static void main(String[] args) { |
| Col<Integer> ints = new Col<>(); |
| Col1<Integer> ints1 = new Col1<>(); |
| Col2<Integer> ints2 = new Col2<>(); |
| ints.removeIf(x -> x == 1); |
| ints.superRemoveIf(x -> x == 2); |
| ints1.removeIf(x -> x == 3); |
| ints1.superRemoveIf(x -> x == 4); |
| ints2.removeIf(x -> x == 5); |
| ints2.superRemoveIf(x -> x == 6); |
| } |
| } |
| |
| interface Col1Itf<E> extends Collection<E> { |
| |
| @Override |
| default boolean removeIf(Predicate<? super E> filter) { |
| System.out.println("removeIf from MyCol1"); |
| return Collection.super.removeIf(filter); |
| } |
| } |
| |
| interface Col2Itf<E> extends Col1Itf<E> { |
| |
| @Override |
| default boolean removeIf(Predicate<? super E> filter) { |
| System.out.println("removeIf from MyCol2"); |
| return Col1Itf.super.removeIf(filter); |
| } |
| } |
| |
| static class Col<E> implements Collection<E> { |
| |
| public boolean superRemoveIf(Predicate<? super E> filter) { |
| return Collection.super.removeIf(filter); |
| } |
| |
| @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 Collections.emptyIterator(); |
| } |
| |
| @Override |
| public Object[] toArray() { |
| return new Object[0]; |
| } |
| |
| @Override |
| public <T> T[] toArray(T[] a) { |
| return a; |
| } |
| |
| @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 removeAll(Collection<?> c) { |
| return false; |
| } |
| |
| @Override |
| public boolean retainAll(Collection<?> c) { |
| return false; |
| } |
| |
| @Override |
| public void clear() {} |
| } |
| |
| static class Col1<E> implements Col1Itf<E> { |
| |
| public boolean superRemoveIf(Predicate<? super E> filter) { |
| return Col1Itf.super.removeIf(filter); |
| } |
| |
| @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 Collections.emptyIterator(); |
| } |
| |
| @Override |
| public Object[] toArray() { |
| return new Object[0]; |
| } |
| |
| @Override |
| public <T> T[] toArray(T[] a) { |
| return a; |
| } |
| |
| @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 removeAll(Collection<?> c) { |
| return false; |
| } |
| |
| @Override |
| public boolean retainAll(Collection<?> c) { |
| return false; |
| } |
| |
| @Override |
| public void clear() {} |
| } |
| |
| static class Col2<E> implements Col2Itf<E> { |
| |
| public boolean superRemoveIf(Predicate<? super E> filter) { |
| return Col2Itf.super.removeIf(filter); |
| } |
| |
| @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 Collections.emptyIterator(); |
| } |
| |
| @Override |
| public Object[] toArray() { |
| return new Object[0]; |
| } |
| |
| @Override |
| public <T> T[] toArray(T[] a) { |
| return a; |
| } |
| |
| @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 removeAll(Collection<?> c) { |
| return false; |
| } |
| |
| @Override |
| public boolean retainAll(Collection<?> c) { |
| return false; |
| } |
| |
| @Override |
| public void clear() {} |
| } |
| } |