Examples of java.util.NavigableMap.tailMap()

java.util.NavigableMap.tailMap()
Returns a view of the portion of this map whose keys are greater than (or equal to, if {@code inclusive} is true) {@code fromKey}. The returned map is backed by this map, so changes in the returned map are reflected in this map, and vice-versa. The returned map supports all optional map operations that this map supports.
The returned map will throw an {@code IllegalArgumentException}on an attempt to insert a key outside its range. @param fromKey low endpoint of the keys in the returned map @param inclusive {@code true} if the low endpointis to be included in the returned view @return a view of the portion of this map whose keys are greater than(or equal to, if {@code inclusive} is true) {@code fromKey} @throws ClassCastException if {@code fromKey} is not compatiblewith this map's comparator (or, if the map has no comparator, if {@code fromKey} does not implement {@link Comparable}). Implementations may, but are not required to, throw this exception if {@code fromKey} cannot be compared to keyscurrently in the map. @throws NullPointerException if {@code fromKey} is nulland this map does not permit null keys @throws IllegalArgumentException if this map itself has arestricted range, and {@code fromKey} lies outside thebounds of the range

    if (isNaturalOrder()) {
      // TODO Why does this succeed with natural ordering when subMap doesn't?
      map.tailMap(getConflictingKey());
    } else {
      try {
        map.tailMap(getConflictingKey());
        fail("ClassCastException expected");
      } catch (ClassCastException expected) {
      }
    }
  }

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    K[] keys = getKeys();
    V[] values = getValues();
    NavigableMap map = createNavigableMap();
    if (isNaturalOrder()) {
      // TODO Why does this succeed with natural ordering when subMap doesn't?
      map.tailMap(getConflictingKey());
    } else {
      try {
        map.tailMap(getConflictingKey());
        fail("ClassCastException expected");
      } catch (ClassCastException expected) {

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    if (isNaturalOrder()) {
      // TODO Why does this succeed with natural ordering when subMap doesn't?
      map.tailMap(getConflictingKey());
    } else {
      try {
        map.tailMap(getConflictingKey());
        fail("ClassCastException expected");
      } catch (ClassCastException expected) {
      }
    }

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    public void test_DescendingSubMap_tailMap() {
        // tm
        NavigableMap decendingMap = tm.descendingMap();
        String endKey = new Integer(1000).toString(), key;
        SortedMap subDecendingMap_Included = decendingMap.tailMap(endKey, true);
        SortedMap subDecendingMap_Excluded = decendingMap
                .tailMap(endKey, false);


        key = endKey;
        assertFalse(subDecendingMap_Included.containsKey(key));

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    public void test_DescendingSubMap_tailMap() {
        // tm
        NavigableMap decendingMap = tm.descendingMap();
        String endKey = new Integer(1000).toString(), key;
        SortedMap subDecendingMap_Included = decendingMap.tailMap(endKey, true);
        SortedMap subDecendingMap_Excluded = decendingMap
                .tailMap(endKey, false);


        key = endKey;
        assertFalse(subDecendingMap_Included.containsKey(key));
        assertFalse(subDecendingMap_Excluded.containsKey(key));

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        key = new Integer(0).toString();
        assertTrue(subDecendingMap_Included.containsKey(key));
        assertTrue(subDecendingMap_Excluded.containsKey(key));


        endKey = new Integer(999).toString();
        subDecendingMap_Included = decendingMap.tailMap(endKey, true);
        subDecendingMap_Excluded = decendingMap.tailMap(endKey, false);
        key = endKey;
        assertTrue(subDecendingMap_Included.containsKey(key));
        assertFalse(subDecendingMap_Excluded.containsKey(key));
        for (int i = 998; i > 0; i--) {

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        assertTrue(subDecendingMap_Included.containsKey(key));
        assertTrue(subDecendingMap_Excluded.containsKey(key));


        endKey = new Integer(999).toString();
        subDecendingMap_Included = decendingMap.tailMap(endKey, true);
        subDecendingMap_Excluded = decendingMap.tailMap(endKey, false);
        key = endKey;
        assertTrue(subDecendingMap_Included.containsKey(key));
        assertFalse(subDecendingMap_Excluded.containsKey(key));
        for (int i = 998; i > 0; i--) {
            key = new Integer(i).toString();

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        key = new Integer(0).toString();
        assertTrue(subDecendingMap_Included.containsKey(key));
        assertTrue(subDecendingMap_Excluded.containsKey(key));


        endKey = new Integer(0).toString();
        subDecendingMap_Included = decendingMap.tailMap(endKey, true);
        subDecendingMap_Excluded = decendingMap.tailMap(endKey, false);
        assertEquals(1, subDecendingMap_Included.size());
        key = endKey;
        assertTrue(subDecendingMap_Included.containsKey(key));
        assertTrue(subDecendingMap_Excluded.isEmpty());

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        assertTrue(subDecendingMap_Included.containsKey(key));
        assertTrue(subDecendingMap_Excluded.containsKey(key));


        endKey = new Integer(0).toString();
        subDecendingMap_Included = decendingMap.tailMap(endKey, true);
        subDecendingMap_Excluded = decendingMap.tailMap(endKey, false);
        assertEquals(1, subDecendingMap_Included.size());
        key = endKey;
        assertTrue(subDecendingMap_Included.containsKey(key));
        assertTrue(subDecendingMap_Excluded.isEmpty());

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        // navigableMap_startExcluded_endExcluded
        decendingMap = navigableMap_startExcluded_endExcluded.descendingMap();
        endKey = new Integer(110).toString();
        try {
            decendingMap.tailMap(endKey, true);
            fail("should throw IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            // Expected
        }

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