Examples with NavigableMap java.util.NavigableMap used on opensource projects

Example 31 with NavigableMap

use of java.util.NavigableMap in project mapdb by jankotek.

the class TreeSubMapTest method testDescendingTailMapContents.

/**
     * headMap returns map with keys in requested range
     */
public void testDescendingTailMapContents() {
    NavigableMap map = dmap5();
    SortedMap sm = map.tailMap(m2);
    assertFalse(sm.containsKey(m1));
    assertTrue(sm.containsKey(m2));
    assertTrue(sm.containsKey(m3));
    assertTrue(sm.containsKey(m4));
    assertTrue(sm.containsKey(m5));
    Iterator i = sm.keySet().iterator();
    Object k;
    k = (Integer) (i.next());
    assertEquals(m2, k);
    k = (Integer) (i.next());
    assertEquals(m3, k);
    k = (Integer) (i.next());
    assertEquals(m4, k);
    k = (Integer) (i.next());
    assertEquals(m5, k);
    assertFalse(i.hasNext());
    Iterator ei = sm.entrySet().iterator();
    Map.Entry e;
    e = (Map.Entry) (ei.next());
    assertEquals(m2, e.getKey());
    assertEquals("B", e.getValue());
    e = (Map.Entry) (ei.next());
    assertEquals(m3, e.getKey());
    assertEquals("C", e.getValue());
    e = (Map.Entry) (ei.next());
    assertEquals(m4, e.getKey());
    assertEquals("D", e.getValue());
    e = (Map.Entry) (ei.next());
    assertEquals(m5, e.getKey());
    assertEquals("E", e.getValue());
    assertFalse(i.hasNext());
    SortedMap ssm = sm.tailMap(m4);
    assertEquals(m4, ssm.firstKey());
    assertEquals(m5, ssm.lastKey());
    assertEquals("D", ssm.remove(m4));
    assertEquals(1, ssm.size());
    assertEquals(3, sm.size());
    assertEquals(4, map.size());
}

Example 32 with NavigableMap

use of java.util.NavigableMap in project mapdb by jankotek.

the class TreeSubMapTest method testSubMapContents.

/**
     * subMap returns map with keys in requested range
     */
public void testSubMapContents() {
    NavigableMap map = map5();
    SortedMap sm = map.subMap(two, four);
    assertEquals(two, sm.firstKey());
    assertEquals(three, sm.lastKey());
    assertEquals(2, sm.size());
    assertFalse(sm.containsKey(one));
    assertTrue(sm.containsKey(two));
    assertTrue(sm.containsKey(three));
    assertFalse(sm.containsKey(four));
    assertFalse(sm.containsKey(five));
    Iterator i = sm.keySet().iterator();
    Object k;
    k = (Integer) (i.next());
    assertEquals(two, k);
    k = (Integer) (i.next());
    assertEquals(three, k);
    assertFalse(i.hasNext());
    Iterator j = sm.keySet().iterator();
    j.next();
    j.remove();
    assertFalse(map.containsKey(two));
    assertEquals(4, map.size());
    assertEquals(1, sm.size());
    assertEquals(three, sm.firstKey());
    assertEquals(three, sm.lastKey());
    assertEquals("C", sm.remove(three));
    assertTrue(sm.isEmpty());
    assertEquals(3, map.size());
}

Example 33 with NavigableMap

use of java.util.NavigableMap in project mapdb by jankotek.

the class TreeSubMapTest method testLowerEntry.

/**
     * lowerEntry returns preceding entry.
     */
public void testLowerEntry() {
    NavigableMap map = map5();
    Map.Entry e1 = map.lowerEntry(three);
    assertEquals(two, e1.getKey());
    Map.Entry e2 = map.lowerEntry(six);
    assertEquals(five, e2.getKey());
    Map.Entry e3 = map.lowerEntry(one);
    assertNull(e3);
    Map.Entry e4 = map.lowerEntry(zero);
    assertNull(e4);
}

Example 34 with NavigableMap

use of java.util.NavigableMap in project mapdb by jankotek.

the class TreeSubMapTest method testDescendingHeadMapContents.

/**
     * headMap returns map with keys in requested range
     */
public void testDescendingHeadMapContents() {
    NavigableMap map = dmap5();
    SortedMap sm = map.headMap(m4);
    assertTrue(sm.containsKey(m1));
    assertTrue(sm.containsKey(m2));
    assertTrue(sm.containsKey(m3));
    assertFalse(sm.containsKey(m4));
    assertFalse(sm.containsKey(m5));
    Iterator i = sm.keySet().iterator();
    Object k;
    k = (Integer) (i.next());
    assertEquals(m1, k);
    k = (Integer) (i.next());
    assertEquals(m2, k);
    k = (Integer) (i.next());
    assertEquals(m3, k);
    assertFalse(i.hasNext());
    sm.clear();
    assertTrue(sm.isEmpty());
    assertEquals(2, map.size());
    assertEquals(m4, map.firstKey());
}

Example 35 with NavigableMap

use of java.util.NavigableMap in project mapdb by jankotek.

the class TreeSubMapTest method testDescendingCeilingEntry.

/**
     * ceilingEntry returns next entry.
     */
public void testDescendingCeilingEntry() {
    NavigableMap map = dmap5();
    Map.Entry e1 = map.ceilingEntry(m3);
    assertEquals(m3, e1.getKey());
    Map.Entry e2 = map.ceilingEntry(zero);
    assertEquals(m1, e2.getKey());
    Map.Entry e3 = map.ceilingEntry(m5);
    assertEquals(m5, e3.getKey());
    Map.Entry e4 = map.ceilingEntry(m6);
    assertNull(e4);
}