@Test
public void testCountPlus1() {
char[][] grid =
new char[][] {
{'a', 'y', ' '},
{'x', 'a', 'z'},
};
CharGrid cg = new CharGrid(grid);
assertEquals(0, cg.countPlus());
}
@Test
public void testCountPlus2() {
char[][] grid =
new char[][] {
{'.', 'a', ','},
{'a', 'a', 'a'},
{'+', 'a', 'a'}
};
CharGrid cg = new CharGrid(grid);
assertEquals(1, cg.countPlus());
}
@Test
public void testCountPlus6() {
char[][] grid =
new char[][] {
{'a', 'b', 'a', 'a', 'a', 'j'},
{'a', 'a', 'a', 'a', 'b', 'b'},
{'a', 'a', 'a', 'b', 'b', 'b'},
{'a', 'a', 'a', 'c', 'b', '+'},
{'a', 'b', 'c', 'c', 'c', '+'},
{'b', 'b', 'b', 'c', 'b', '+'},
{'+', 'b', 'a', 'b', '+', '.'}
};
CharGrid cg = new CharGrid(grid);
assertEquals(4, cg.countPlus());
}