EdgeCases

assertEquals(0, Waves.waves(new int[][] {
            {1, 1, 0, 0, 0},
            {1, 1, 0, 0, 0},
            {1, 0, 0, 0, 0},
            {1, 0, 0, 1, 1},
            {1, 0, 0, 1, 0},
        }));

        assertEquals(1, Waves.waves(new int[][] { { 1 }, }));
        assertEquals(1, Waves.waves(new int[][] {
            {1, 1, 1, 1, 1},
            {1, 0, 0, 0, 1},
            {1, 0, 0, 0, 1},
            {1, 0, 0, 1, 1},
            {1, 1, 1, 1, 0},
        }));
        assertEquals(2, Waves.waves(new int[][] {
            {1, 1, 0, 1, 1},
            {1, 1, 0, 1, 1},
            {0, 0, 0, 0, 0},
            {1, 1, 0, 1, 1},
            {1, 1, 0, 1, 0},
        }));
        assertEquals(1, Waves.waves(new int[][] {
            {1, 1, 0, 1, 1},
            {1, 1, 0, 1, 1},
            {0, 0, 0, 0, 0},
            {0, 0, 0, 1, 1},
            {0, 0, 0, 1, 0},
        }));
        assertEquals(0, Waves.waves(new int[][] {
            {1, 1, 1, 1, 1},
            {1, 1, 0, 0, 0},
            {0, 0, 0, 0, 0},
            {1, 0, 0, 1, 1},
            {0, 0, 0, 1, 0},
        }));