| /* |
| * Copyright (C) 2013 The Guava Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.common.collect.testing.testers; |
| |
| import static com.google.common.collect.testing.features.CollectionFeature.ALLOWS_NULL_VALUES; |
| import static com.google.common.collect.testing.features.CollectionFeature.KNOWN_ORDER; |
| import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_ADD; |
| import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_REMOVE; |
| import static com.google.common.collect.testing.features.CollectionSize.ZERO; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.annotations.GwtIncompatible; |
| import com.google.common.collect.testing.AbstractCollectionTester; |
| import com.google.common.collect.testing.Helpers; |
| import com.google.common.collect.testing.SpliteratorTester; |
| import com.google.common.collect.testing.features.CollectionFeature; |
| import com.google.common.collect.testing.features.CollectionSize; |
| import java.lang.reflect.Method; |
| import java.util.Spliterator; |
| import org.junit.Ignore; |
| |
| /** |
| * A generic JUnit test which tests {@code spliterator} operations on a collection. Can't be invoked |
| * directly; please see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}. |
| * |
| * @author Louis Wasserman |
| */ |
| @GwtCompatible(emulated = true) |
| @Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. |
| public class CollectionSpliteratorTester<E> extends AbstractCollectionTester<E> { |
| |
| @CollectionFeature.Require(absent = KNOWN_ORDER) |
| public void testSpliteratorUnknownOrder() { |
| synchronized (collection) { |
| SpliteratorTester.of(collection::spliterator).expect(getSampleElements()); |
| } |
| } |
| |
| @CollectionFeature.Require(KNOWN_ORDER) |
| public void testSpliteratorKnownOrder() { |
| synchronized (collection) { |
| SpliteratorTester.of(collection::spliterator).expect(getOrderedElements()).inOrder(); |
| } |
| } |
| |
| @CollectionFeature.Require(ALLOWS_NULL_VALUES) |
| @CollectionSize.Require(absent = ZERO) |
| public void testSpliteratorNullable() { |
| initCollectionWithNullElement(); |
| synchronized (collection) { // for Collections.synchronized |
| assertFalse(collection.spliterator().hasCharacteristics(Spliterator.NONNULL)); |
| } |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_ADD) |
| public void testSpliteratorNotImmutable_CollectionAllowsAdd() { |
| // If add is supported, verify that IMMUTABLE is not reported. |
| synchronized (collection) { // for Collections.synchronized |
| assertFalse(collection.spliterator().hasCharacteristics(Spliterator.IMMUTABLE)); |
| } |
| } |
| |
| @CollectionFeature.Require(SUPPORTS_REMOVE) |
| public void testSpliteratorNotImmutable_CollectionAllowsRemove() { |
| // If remove is supported, verify that IMMUTABLE is not reported. |
| synchronized (collection) { // for Collections.synchronized |
| assertFalse(collection.spliterator().hasCharacteristics(Spliterator.IMMUTABLE)); |
| } |
| } |
| |
| @GwtIncompatible // reflection |
| public static Method getSpliteratorNotImmutableCollectionAllowsAddMethod() { |
| return Helpers.getMethod( |
| CollectionSpliteratorTester.class, "testSpliteratorNotImmutable_CollectionAllowsAdd"); |
| } |
| |
| @GwtIncompatible // reflection |
| public static Method getSpliteratorNotImmutableCollectionAllowsRemoveMethod() { |
| return Helpers.getMethod( |
| CollectionSpliteratorTester.class, "testSpliteratorNotImmutable_CollectionAllowsRemove"); |
| } |
| } |