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/*
* Copyright (C) 2007 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.SUPPORTS_ADD;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.MinimalCollection;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
/**
* A generic JUnit test which tests {@code addAll(Collection)} operations on a
* list. Can't be invoked directly; please see
* {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
*
* <p>This class is GWT compatible.
*
* @author Chris Povirk
*/
@SuppressWarnings("unchecked") // too many "unchecked generic array creations"
@GwtCompatible
public class ListAddAllTester<E> extends AbstractListTester<E> {
@CollectionFeature.Require(SUPPORTS_ADD)
@CollectionSize.Require(absent = ZERO)
public void testAddAll_supportedAllPresent() {
assertTrue("addAll(allPresent) should return true",
getList().addAll(MinimalCollection.of(samples.e0)));
expectAdded(samples.e0);
}
@CollectionFeature.Require(absent = SUPPORTS_ADD)
@CollectionSize.Require(absent = ZERO)
public void testAddAll_unsupportedAllPresent() {
try {
getList().addAll(MinimalCollection.of(samples.e0));
fail("addAll(allPresent) should throw");
} catch (UnsupportedOperationException expected) {
}
expectUnchanged();
}
@CollectionFeature.Require(SUPPORTS_ADD)
public void testAddAll_withDuplicates() {
MinimalCollection<E> elementsToAdd
= MinimalCollection.of(samples.e0, samples.e1, samples.e0, samples.e1);
assertTrue("addAll(hasDuplicates) should return true",
getList().addAll(elementsToAdd));
expectAdded(samples.e0, samples.e1, samples.e0, samples.e1);
}
}
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