def test_change_fore_with_trailing_colours():
ml = Metaline("foo bar", RunLengthList([(0, "foo"), (7, "bar")]), RunLengthList([(0, "bar")]))
ml.change_fore(0, 3, "baz")
assert ml.fores.items() == [(0, "baz"), (3, "foo"), (7, "bar")]
def test_changes_fg_right_at_end(self):
metaline = Metaline("foobar", RunLengthList([(0, "FOO")]), None)
metaline.change_fore(1, 6, "BAR")
assert metaline.fores.items() == [(0, "FOO"), (1, "BAR"), (6, "FOO")]
def test_changes_fg_normally(self):
metaline = Metaline("foobar", RunLengthList([(0, "FOO")]), None)
metaline.change_fore(1, 3, "BAR")
assert metaline.fores.items() == [(0, "FOO"), (1, "BAR"), (3, "FOO")]
def test_preserves_engulfed_colour_starts(self):
metaline = Metaline("foobar", RunLengthList([(0, "FOO"), (2, "BAR")]), None)
metaline.change_fore(1, 3, "BAZ")
assert metaline.fores.items() == [(0, "FOO"), (1, "BAZ"), (3, "BAR")]
def test_Metaline_change_fg_sets_colour():
m = Metaline("foo", RunLengthList([(0, None)]), None)
m.change_fore(0, 5, "foo")
assert m.fores.items() == [(0, "foo"), (5, None)]