def test_cursor_up():
screen = Screen(10, 10)
# Moving the cursor up at the top doesn't do anything
screen.cursor_up(1)
assert screen.cursor.y == 0
screen.cursor.y = 1
# Moving the cursor past the top moves it to the top
screen.cursor_up(10)
assert screen.cursor.y == 0
screen.cursor.y = 5
# Can move the cursor more than one up.
screen.cursor_up(3)
assert screen.cursor.y == 2
def test_cursor_up():
screen = Screen(10, 10)
# Moving the cursor up at the top doesn't do anything
screen.cursor_up(1)
assert screen.cursor.y == 0
screen.cursor.y = 1
# Moving the cursor past the top moves it to the top
screen.cursor_up(10)
assert screen.cursor.y == 0
screen.cursor.y = 5
# Can move the cursor more than one up.
screen.cursor_up(3)
assert screen.cursor.y == 2
