@Test public void testUnion() { wqu.union(4, 3); Assert.assertArrayEquals(new int[] {0, 1, 2, 4, 4, 5, 6, 7, 8, 9}, wqu.getId()); Assert.assertArrayEquals(new int[] {1, 1, 1, 1, 2, 1, 1, 1, 1, 1}, wqu.getSize()); wqu.union(3, 8); Assert.assertArrayEquals(new int[] {0, 1, 2, 4, 4, 5, 6, 7, 4, 9}, wqu.getId()); Assert.assertArrayEquals(new int[] {1, 1, 1, 1, 3, 1, 1, 1, 1, 1}, wqu.getSize()); wqu.union(6, 5); Assert.assertArrayEquals(new int[] {0, 1, 2, 4, 4, 6, 6, 7, 4, 9}, wqu.getId()); Assert.assertArrayEquals(new int[] {1, 1, 1, 1, 3, 1, 2, 1, 1, 1}, wqu.getSize()); wqu.union(9, 4); Assert.assertArrayEquals(new int[] {0, 1, 2, 4, 4, 6, 6, 7, 4, 4}, wqu.getId()); Assert.assertArrayEquals(new int[] {1, 1, 1, 1, 4, 1, 2, 1, 1, 1}, wqu.getSize()); wqu.union(2, 1); Assert.assertArrayEquals(new int[] {0, 2, 2, 4, 4, 6, 6, 7, 4, 4}, wqu.getId()); Assert.assertArrayEquals(new int[] {1, 1, 2, 1, 4, 1, 2, 1, 1, 1}, wqu.getSize()); wqu.union(5, 0); Assert.assertArrayEquals(new int[] {6, 2, 2, 4, 4, 6, 6, 7, 4, 4}, wqu.getId()); Assert.assertArrayEquals(new int[] {1, 1, 2, 1, 4, 1, 3, 1, 1, 1}, wqu.getSize()); wqu.union(7, 2); Assert.assertArrayEquals(new int[] {6, 2, 2, 4, 4, 6, 6, 2, 4, 4}, wqu.getId()); Assert.assertArrayEquals(new int[] {1, 1, 3, 1, 4, 1, 3, 1, 1, 1}, wqu.getSize()); wqu.union(6, 1); Assert.assertArrayEquals(new int[] {6, 2, 6, 4, 4, 6, 6, 2, 4, 4}, wqu.getId()); Assert.assertArrayEquals(new int[] {1, 1, 3, 1, 4, 1, 6, 1, 1, 1}, wqu.getSize()); wqu.union(7, 3); Assert.assertArrayEquals(new int[] {6, 2, 6, 4, 6, 6, 6, 2, 4, 4}, wqu.getId()); Assert.assertArrayEquals(new int[] {1, 1, 3, 1, 4, 1, 10, 1, 1, 1}, wqu.getSize()); }
@Test public void testInit() { Assert.assertArrayEquals(new int[] {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, wqu.getId()); Assert.assertArrayEquals(new int[] {1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, wqu.getSize()); }