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

Example 26 with NavigableMap

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

the class TreeSubMapTest method testDescendingClear.

/**
     * clear removes all pairs
     */
public void testDescendingClear() {
    NavigableMap map = dmap5();
    map.clear();
    assertEquals(0, map.size());
}

Example 27 with NavigableMap

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

the class TreeSubMapTest method testFloorEntry.

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

Example 28 with NavigableMap

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

the class TreeSubMapTest method testGet.

/**
     * get returns the correct element at the given key,
     * or null if not present
     */
public void testGet() {
    NavigableMap map = map5();
    assertEquals("A", (String) map.get(one));
    NavigableMap empty = map0();
    assertNull(empty.get(one));
}

Example 29 with NavigableMap

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

the class TreeSubMapTest method testIsEmpty.

/**
     * isEmpty is true of empty map and false for non-empty
     */
public void testIsEmpty() {
    NavigableMap empty = map0();
    NavigableMap map = map5();
    assertTrue(empty.isEmpty());
    assertFalse(map.isEmpty());
}

Example 30 with NavigableMap

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

the class TreeSubMapTest method testRemove1_NullPointerException.

/**
     * remove(null) throws NPE
     */
public void testRemove1_NullPointerException() {
    NavigableMap c = map5();
    try {
        c.remove(null);
        shouldThrow();
    } catch (NullPointerException success) {
    }
}