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

Example 71 with NavigableSet

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

the class TreeSubSetTest method testDescendingSubSetContents.

/**
     * subSet returns set with keys in requested range
     */
public void testDescendingSubSetContents() {
    NavigableSet set = dset5();
    SortedSet sm = set.subSet(m2, m4);
    assertEquals(m2, sm.first());
    assertEquals(m3, sm.last());
    assertEquals(2, sm.size());
    assertFalse(sm.contains(m1));
    assertTrue(sm.contains(m2));
    assertTrue(sm.contains(m3));
    assertFalse(sm.contains(m4));
    assertFalse(sm.contains(m5));
    Iterator i = sm.iterator();
    Object k;
    k = (Integer) (i.next());
    assertEquals(m2, k);
    k = (Integer) (i.next());
    assertEquals(m3, k);
    assertFalse(i.hasNext());
    Iterator j = sm.iterator();
    j.next();
    j.remove();
    assertFalse(set.contains(m2));
    assertEquals(4, set.size());
    assertEquals(1, sm.size());
    assertEquals(m3, sm.first());
    assertEquals(m3, sm.last());
    assertTrue(sm.remove(m3));
    assertTrue(sm.isEmpty());
    assertEquals(3, set.size());
}

Example 72 with NavigableSet

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

the class TreeSubSetTest method testAdd.

/**
     * Add of comparable element succeeds
     */
public void testAdd() {
    NavigableSet q = set0();
    assertTrue(q.add(six));
}

Example 73 with NavigableSet

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

the class TreeSubSetTest method testContains.

/**
     * contains(x) reports true when elements added but not yet removed
     */
public void testContains() {
    NavigableSet q = populatedSet(SIZE);
    for (int i = 0; i < SIZE; ++i) {
        assertTrue(q.contains(new Integer(i)));
        q.pollFirst();
        assertFalse(q.contains(new Integer(i)));
    }
}

Example 74 with NavigableSet

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

the class TreeSubSetTest method testSerialization.

/**
     * A deserialized serialized set has same elements
     */
public void testSerialization() throws Exception {
    NavigableSet x = populatedSet(SIZE);
    NavigableSet y = serialClone(x);
    assertNotSame(x, y);
    assertEquals(x.size(), y.size());
    assertEquals(x, y);
    assertEquals(y, x);
    while (!x.isEmpty()) {
        assertFalse(y.isEmpty());
        assertEquals(x.pollFirst(), y.pollFirst());
    }
    assertTrue(y.isEmpty());
}

Example 75 with NavigableSet

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

the class TreeSubSetTest method testClear.

/**
     * clear removes all elements
     */
public void testClear() {
    NavigableSet q = populatedSet(SIZE);
    q.clear();
    assertTrue(q.isEmpty());
    assertEquals(0, q.size());
    assertTrue(q.add(new Integer(1)));
    assertFalse(q.isEmpty());
    q.clear();
    assertTrue(q.isEmpty());
}