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Add tests for scrollback_fill_enlarged_window

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Eddie Lebow
2021-03-08 23:51:27 -05:00
parent e10919496f
commit b76491ba82
2 changed files with 49 additions and 2 deletions
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42
kitty_tests/screen.py
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@@ -303,6 +303,48 @@ class TestScreen(BaseTest):
s.resize(s.lines - 1, s.columns)
self.ae(x_before, s.cursor.x)
def test_scrollback_fill_after_resize(self):
def prepare_screen(content=tuple()):
return self.create_screen(
lines=5,
cols=5,
options={'scrollback_fill_enlarged_window': True},
content=content,
)
def assert_lines(lines, s):
return self.ae(lines, str(s.linebuf).split("\n"))
# Height increased, width unchanged → pull down lines to fill new space at the top
s = prepare_screen([str(i) for i in range(0, 6)])
assert_lines(['2', '3', '4', '5', ''], s)
s.resize(7, s.columns)
assert_lines(['0', '1', '2', '3', '4', '5', ''], s)
# Height increased, width increased → rewrap, pull down
s = prepare_screen(['0', '1', '2', '3' * 15])
assert_lines(['2', '33333', '33333', '33333', ''], s)
s.resize(7, 12)
assert_lines(['0', '1', '2', '333333333333', '333', '', ''], s)
# Height increased, width decreased → rewrap, pull down if possible
s = prepare_screen(['0', '1', '2', '3' * 5])
assert_lines(['0', '1', '2', '33333', ''], s)
s.resize(6, 4)
assert_lines(['0', '1', '2', '3333', '3', ''], s)
# Height unchanged, width increased → rewrap, pull down if possible
s = prepare_screen(['0', '1', '2', '3' * 15])
assert_lines(['2', '33333', '33333', '33333', ''], s)
s.resize(s.lines, 12)
assert_lines(['1', '2', '333333333333', '333', ''], s)
# Height decreased, width increased → rewrap, pull down if possible
s = prepare_screen(['0', '1', '2', '3' * 15])
assert_lines(['2', '33333', '33333', '33333', ''], s)
s.resize(4, 12)
assert_lines(['2', '333333333333', '333', ''], s)
def test_tab_stops(self):
# Taken from vttest/main.c
s = self.create_screen(cols=80, lines=2)