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 /*
  * Copyright (C) 2008 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_REMOVE;
import static com.google.common.collect.testing.features.CollectionSize.ONE;
import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static org.truth0.Truth.ASSERT;
A generic JUnit test which tests retainAll operations on a list. Can't be invoked directly; please see com.google.common.collect.testing.ListTestSuiteBuilder.

Author(s):
Chris Povirk
public class ListRetainAllTester<E> extends AbstractListTester<E> {
  @CollectionSize.Require(absent = {})
  public void testRetainAll_duplicatesKept() {
    E[] array = createSamplesArray();
    array[1] = .;
    assertFalse("containsDuplicates.retainAll(superset) should return false",
        .retainAll(MinimalCollection.of(createSamplesArray())));
    expectContents(array);
  }
  @SuppressWarnings("unchecked")
  public void testRetainAll_duplicatesRemoved() {
    E[] array = createSamplesArray();
    array[1] = .;
    assertTrue("containsDuplicates.retainAll(subset) should return true",
        .retainAll(MinimalCollection.of(.)));
  }
  
  @SuppressWarnings("unchecked")
  public void testRetainAll_countIgnored() {
  }
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