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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.ALLOWS_NULL_QUERIES;
import static com.google.common.collect.testing.features.CollectionFeature.ALLOWS_NULL_VALUES;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
A generic JUnit test which tests contains() operations on a collection. Can't be invoked directly; please see com.google.common.collect.testing.CollectionTestSuiteBuilder.

This class is GWT compatible.

Author(s):
Kevin Bourrillion
Chris Povirk
public class CollectionContainsTester<E> extends AbstractCollectionTester<E> {
  @CollectionSize.Require(absent = )
  public void testContains_yes() {
    assertTrue("contains(present) should return true",
        .contains(.));
  }
  public void testContains_no() {
    assertFalse("contains(notPresent) should return false",
        .contains(.));
  }
    assertFalse("contains(null) should return false",
        .contains(null));
  }
        "contains(null) should return false or throw");
  }
  @CollectionSize.Require(absent = )
    assertFalse("contains(notPresent) should return false",
        .contains(.));
  }
  @CollectionSize.Require(absent = )
  public void testContains_nullContained() {
    assertTrue("contains(null) should return true".contains(null));
  }
  public void testContains_wrongType() {
    try {
      assertFalse("contains(wrongType) should return false or throw",
          .contains(.));
    } catch (ClassCastException tolerated) {
    }
  }
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