Method testLower

src/test/java/org/mapdb/BTreeSet3Test.java:332–345

()

     * lower returns preceding element
     */
    public void testLower() {
        NavigableSet q = set5();
        Object e1 = q.lower(three);
        assertEquals(two, e1);

        Object e2 = q.lower(six);
        assertEquals(five, e2);

        Object e3 = q.lower(one);
        assertNull(e3);

        Object e4 = q.lower(zero);
        assertNull(e4);
    }

    /*
     * higher returns next element