public HeapRow() {
        // No-op.
    }
@Test
    public void testHeapRow() {
        Object[] values = new Object[2];

        values[0] = new Object();
        values[1] = new Object();

        HeapRow row = new HeapRow(values);

        assertEquals(2, row.getColumnCount());
        assertSame(values[0], row.get(0));
        assertSame(values[1], row.get(1));

        row = new HeapRow(2);

        row.set(0, values[0]);
        row.set(1, values[1]);

        assertEquals(2, row.getColumnCount());
        assertSame(values[0], row.get(0));
        assertSame(values[1], row.get(1));
    }