Method testAddDup

src/test/java/org/mapdb/BTreeSet3Test.java:150–154

()

     * Add of duplicate element fails
     */
    public void testAddDup() {
        NavigableSet q = set0();
        assertTrue(q.add(six));
        assertFalse(q.add(six));
    }

    /*
     * Add of non-Comparable throws CCE