support/src/test/java/tests/support/Support_CollectionTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 tests.support;

import java.util.Collection;
import java.util.TreeSet;

/**
 * java.util.Collection
 */
public class Support_CollectionTest extends junit.framework.TestCase {
    Collection<Integer> col; // must contain the Integers 0 to 99

    public Support_CollectionTest(String p1) {
        super(p1);
    }

    public Support_CollectionTest(String p1, Collection<Integer> c) {
        super(p1);
        col = c;
    }

    @Override
    public void runTest() {
        new Support_UnmodifiableCollectionTest("", col).runTest();

        // setup
        Collection<Integer> myCollection = new TreeSet<Integer>();
        myCollection.add(new Integer(101));
        myCollection.add(new Integer(102));
        myCollection.add(new Integer(103));

        // add
        assertTrue("CollectionTest - a) add did not work", col.add(new Integer(
                101)));
        assertTrue("CollectionTest - b) add did not work", col
                .contains(new Integer(101)));

        // remove
        assertTrue("CollectionTest - a) remove did not work", col
                .remove(new Integer(101)));
        assertTrue("CollectionTest - b) remove did not work", !col
                .contains(new Integer(101)));

        // addAll
        assertTrue("CollectionTest - a) addAll failed", col
                .addAll(myCollection));
        assertTrue("CollectionTest - b) addAll failed", col
                .containsAll(myCollection));

        // containsAll
        assertTrue("CollectionTest - a) containsAll failed", col
                .containsAll(myCollection));
        col.remove(new Integer(101));
        assertTrue("CollectionTest - b) containsAll failed", !col
                .containsAll(myCollection));

        // removeAll
        assertTrue("CollectionTest - a) removeAll failed", col
                .removeAll(myCollection));
        assertTrue("CollectionTest - b) removeAll failed", !col
                .removeAll(myCollection)); // should not change the colletion
                                            // the 2nd time around
        assertTrue("CollectionTest - c) removeAll failed", !col
                .contains(new Integer(102)));
        assertTrue("CollectionTest - d) removeAll failed", !col
                .contains(new Integer(103)));

        // retianAll
        col.addAll(myCollection);
        assertTrue("CollectionTest - a) retainAll failed", col
                .retainAll(myCollection));
        assertTrue("CollectionTest - b) retainAll failed", !col
                .retainAll(myCollection)); // should not change the colletion
                                            // the 2nd time around
        assertTrue("CollectionTest - c) retainAll failed", col
                .containsAll(myCollection));
        assertTrue("CollectionTest - d) retainAll failed", !col
                .contains(new Integer(0)));
        assertTrue("CollectionTest - e) retainAll failed", !col
                .contains(new Integer(50)));

        // clear
        col.clear();
        assertTrue("CollectionTest - a) clear failed", col.isEmpty());
        assertTrue("CollectionTest - b) clear failed", !col
                .contains(new Integer(101)));

    }

}