Package java.util

Examples of java.util.TreeMap.comparator()

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  }

  static public class TreeMapSerializer extends MapSerializer {
    public void write (Kryo kryo, Output output, Map map) {
      TreeMap treeMap = (TreeMap)map;
      kryo.writeClassAndObject(output, treeMap.comparator());
      super.write(kryo, output, map);
    }

    protected Map create (Kryo kryo, Input input, Class<Map> type) {
      return new TreeMap((Comparator)kryo.readClassAndObject(input));
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            public void runRead(final Unmarshaller unmarshaller) throws Throwable {
                unmarshaller.readObject();
                TreeMap x = (TreeMap) unmarshaller.readObject();
                assertEquals(tree, x);
                assertTrue(x.comparator() instanceof IntComp);
            }
        });
    }

    public static class IntComp implements Comparator<Integer>, Serializable {
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     */
    public void test_ConstructorLjava_util_Comparator() {
        // Test for method java.util.TreeMap(java.util.Comparator)
        Comparator comp = new ReversedComparator();
        TreeMap reversedTreeMap = new TreeMap(comp);
        assertTrue("TreeMap answered incorrect comparator", reversedTreeMap
                .comparator() == comp);
        reversedTreeMap.put(new Integer(1).toString(), new Integer(1));
        reversedTreeMap.put(new Integer(2).toString(), new Integer(2));
        assertTrue("TreeMap does not use comparator (firstKey was incorrect)",
                reversedTreeMap.firstKey().equals(new Integer(2).toString()));
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        TreeMap reversedTreeMap = new TreeMap(comp);
        reversedTreeMap.put(new Integer(1).toString(), new Integer(1));
        reversedTreeMap.put(new Integer(2).toString(), new Integer(2));
        TreeMap anotherTreeMap = new TreeMap(reversedTreeMap);
        assertTrue("New tree map does not answer correct comparator",
                anotherTreeMap.comparator() == comp);
        assertTrue("TreeMap does not use comparator (firstKey was incorrect)",
                anotherTreeMap.firstKey().equals(new Integer(2).toString()));
        assertTrue("TreeMap does not use comparator (lastKey was incorrect)",
                anotherTreeMap.lastKey().equals(new Integer(1).toString()));
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     */
    public void test_comparator() {
        // Test for method java.util.Comparator java.util.TreeMap.comparator()\
        Comparator comp = new ReversedComparator();
        TreeMap reversedTreeMap = new TreeMap(comp);
        assertTrue("TreeMap answered incorrect comparator", reversedTreeMap
                .comparator() == comp);
        reversedTreeMap.put(new Integer(1).toString(), new Integer(1));
        reversedTreeMap.put(new Integer(2).toString(), new Integer(2));
        assertTrue("TreeMap does not use comparator (firstKey was incorrect)",
                reversedTreeMap.firstKey().equals(new Integer(2).toString()));
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    public void test_TreeMap_Constructor_Comparator() {
        MockComparator mockComparator = new MockComparator();
        TreeMap treeMap = new TreeMap(mockComparator);

        assertEquals(mockComparator, treeMap.comparator());
    }

    public void test_TreeMap_Constructor_Map() {
        TreeMap treeMap = new TreeMap(tm);
        assertEquals(tm.size(), treeMap.size());
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    Object objArray[] = new Object[1000];

    public void test_TreeMap_Constructor_Default() {
        TreeMap treeMap = new TreeMap();
        assertTrue(treeMap.isEmpty());
        assertNull(treeMap.comparator());
        assertEquals(0, treeMap.size());

        try {
            treeMap.firstKey();
            fail("should throw NoSuchElementException");
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     */
    public void test_ConstructorLjava_util_Comparator() {
        // Test for method java.util.TreeMap(java.util.Comparator)
        Comparator comp = new ReversedComparator();
        TreeMap reversedTreeMap = new TreeMap(comp);
        assertTrue("TreeMap answered incorrect comparator", reversedTreeMap
                .comparator() == comp);
        reversedTreeMap.put(new Integer(1).toString(), new Integer(1));
        reversedTreeMap.put(new Integer(2).toString(), new Integer(2));
        assertTrue("TreeMap does not use comparator (firstKey was incorrect)",
                reversedTreeMap.firstKey().equals(new Integer(2).toString()));
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        TreeMap reversedTreeMap = new TreeMap(comp);
        reversedTreeMap.put(new Integer(1).toString(), new Integer(1));
        reversedTreeMap.put(new Integer(2).toString(), new Integer(2));
        TreeMap anotherTreeMap = new TreeMap(reversedTreeMap);
        assertTrue("New tree map does not answer correct comparator",
                anotherTreeMap.comparator() == comp);
        assertTrue("TreeMap does not use comparator (firstKey was incorrect)",
                anotherTreeMap.firstKey().equals(new Integer(2).toString()));
        assertTrue("TreeMap does not use comparator (lastKey was incorrect)",
                anotherTreeMap.lastKey().equals(new Integer(1).toString()));
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     */
    public void test_comparator() {
        // Test for method java.util.Comparator java.util.TreeMap.comparator()\
        Comparator comp = new ReversedComparator();
        TreeMap reversedTreeMap = new TreeMap(comp);
        assertTrue("TreeMap answered incorrect comparator", reversedTreeMap
                .comparator() == comp);
        reversedTreeMap.put(new Integer(1).toString(), new Integer(1));
        reversedTreeMap.put(new Integer(2).toString(), new Integer(2));
        assertTrue("TreeMap does not use comparator (firstKey was incorrect)",
                reversedTreeMap.firstKey().equals(new Integer(2).toString()));
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