def test_mark_single_line():
screen = DiffScreen(80, 24)
# a) draw().
screen.dirty.clear()
screen.draw(b"f")
assert len(screen.dirty) is 1
assert screen.cursor.y in screen.dirty
# b) rest ...
for method in ["insert_characters", "delete_characters", "erase_characters", "erase_in_line"]:
screen.dirty.clear()
getattr(screen, method)()
assert len(screen.dirty) is 1
assert screen.cursor.y in screen.dirty
def test_draw_wrap():
screen = DiffScreen(80, 24)
screen.set_mode(mo.DECAWM)
# fill every character cell on the first row
for _ in range(80):
screen.draw("g")
assert screen.cursor.y == 0
screen.dirty.clear()
# now write one more character which should cause wrapping
screen.draw("h")
assert screen.cursor.y == 1
# regression test issue #36 where the wrong line was marked as
# dirty
assert screen.dirty == set([1])
def test_draw_wrap():
screen = DiffScreen(80, 24)
screen.set_mode(mo.DECAWM)
# fill every character cell on the first row
for _ in range(80):
screen.draw(b"g")
assert screen.cursor.y == 0
screen.dirty.clear()
# now write one more character which should cause wrapping
screen.draw(b"h")
assert screen.cursor.y == 1
# regression test issue #36 where the wrong line was marked as
# dirty
assert screen.dirty == set([1])
def test_mark_single_line():
screen = DiffScreen(80, 24)
# a) draw().
screen.dirty.clear()
screen.draw("f")
assert len(screen.dirty) is 1
assert screen.cursor.y in screen.dirty
# b) rest ...
for method in ["insert_characters", "delete_characters",
"erase_characters", "erase_in_line"]:
screen.dirty.clear()
getattr(screen, method)()
assert len(screen.dirty) is 1
assert screen.cursor.y in screen.dirty
