Method testSize

src/test/java/org/mapdb/BTreeSet2Test.java:151–161

()

     * size changes when elements added and removed
     */
    public void testSize() {
        NavigableSet q = populatedSet(SIZE);
        for (int i = 0; i < SIZE; ++i) {
            assertEquals(SIZE-i, q.size());
            q.pollFirst();
        }
        for (int i = 0; i < SIZE; ++i) {
            assertEquals(i, q.size());
            q.add(new Integer(i));
        }
    }

    /*
     * add(null) throws NPE