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Java example source code file (OpenJdk6MapTests.java)

This example Java source code file (OpenJdk6MapTests.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

collection, list, openjdk6maptests, override, reflection, testsformapsinjavautil, util

The OpenJdk6MapTests.java Java example source code

/*
 * Copyright (C) 2009 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;

import static com.google.common.collect.Lists.newArrayList;
import static com.google.common.collect.testing.testers.CollectionAddAllTester.getAddAllUnsupportedNonePresentMethod;
import static com.google.common.collect.testing.testers.CollectionAddAllTester.getAddAllUnsupportedSomePresentMethod;
import static com.google.common.collect.testing.testers.CollectionAddTester.getAddUnsupportedNotPresentMethod;
import static com.google.common.collect.testing.testers.CollectionCreationTester.getCreateWithNullUnsupportedMethod;
import static com.google.common.collect.testing.testers.MapCreationTester.getCreateWithNullKeyUnsupportedMethod;
import static com.google.common.collect.testing.testers.MapEntrySetTester.getContainsEntryWithIncomparableKeyMethod;
import static com.google.common.collect.testing.testers.MapEntrySetTester.getContainsEntryWithIncomparableValueMethod;
import static com.google.common.collect.testing.testers.MapPutAllTester.getPutAllNullKeyUnsupportedMethod;
import static com.google.common.collect.testing.testers.MapPutTester.getPutNullKeyUnsupportedMethod;

import junit.framework.Test;

import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;

/**
 * Tests the {@link Map} implementations of {@link java.util}, suppressing
 * tests that trip known bugs in OpenJDK 6 or higher.
 *
 * @author Kevin Bourrillion
 */
/*
 * TODO(cpovirk): consider renaming this class in light of our now running it
 * under JDK7
 */
public class OpenJdk6MapTests extends TestsForMapsInJavaUtil {
  public static Test suite() {
    return new OpenJdk6MapTests().allTests();
  }

  @Override protected Collection<Method> suppressForTreeMapNatural() {
    return Arrays.asList(
        getPutNullKeyUnsupportedMethod(),
        getPutAllNullKeyUnsupportedMethod(),
        getCreateWithNullKeyUnsupportedMethod(),
        getCreateWithNullUnsupportedMethod(), // for keySet
        getContainsEntryWithIncomparableKeyMethod(),
        getContainsEntryWithIncomparableValueMethod());
  }

  @Override
  protected Collection<Method> suppressForConcurrentHashMap() {
    /*
     * The entrySet() of ConcurrentHashMap, unlike that of other Map
     * implementations, supports add() under JDK8. This seems problematic, but I
     * didn't see that discussed in the review, which included many other
     * changes: http://goo.gl/okTTdr
     *
     * TODO(cpovirk): decide what the best long-term action here is: force users
     * to suppress (as we do now), stop testing entrySet().add() at all, make
     * entrySet().add() tests tolerant of either behavior, introduce a map
     * feature for entrySet() that supports add(), or something else
     */
    return Arrays.asList(
        getAddUnsupportedNotPresentMethod(),
        getAddAllUnsupportedNonePresentMethod(),
        getAddAllUnsupportedSomePresentMethod());
  }

  @Override
  protected Collection<Method> suppressForConcurrentSkipListMap() {
    List<Method> methods = newArrayList();
    methods.addAll(super.suppressForConcurrentSkipListMap());
    methods.add(getContainsEntryWithIncomparableKeyMethod());
    methods.add(getContainsEntryWithIncomparableValueMethod());
    return methods;
  }
}

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