From 5c4b503d3cb4a48d083bcf50d4932927e6eb749d Mon Sep 17 00:00:00 2001 From: zeertzjq Date: Sun, 5 Feb 2023 09:37:12 +0800 Subject: vim-patch:9.0.1279: display shows lines scrolled down erroneously (#22126) Problem: Display shows lines scrolled down erroneously. (Yishai Lerner) Solution: Do not change "wl_lnum" at index zero. (closes vim/vim#11938) https://github.com/vim/vim/commit/61fdbfa1e3c842252b701aec12f45839ca41ece5 Co-authored-by: Bram Moolenaar --- test/functional/legacy/move_spec.lua | 49 ++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 test/functional/legacy/move_spec.lua (limited to 'test') diff --git a/test/functional/legacy/move_spec.lua b/test/functional/legacy/move_spec.lua new file mode 100644 index 0000000000..855996da8f --- /dev/null +++ b/test/functional/legacy/move_spec.lua @@ -0,0 +1,49 @@ +local helpers = require('test.functional.helpers')(after_each) +local Screen = require('test.functional.ui.screen') +local clear = helpers.clear +local feed = helpers.feed +local funcs = helpers.funcs + +before_each(clear) + +describe(':move', function() + -- oldtest: Test_move_undo() + it('redraws correctly when undone', function() + local screen = Screen.new(60, 10) + screen:set_default_attr_ids({ + [0] = {bold = true, foreground = Screen.colors.Blue}, -- NonText + }) + screen:attach() + + funcs.setline(1, {'First', 'Second', 'Third', 'Fourth'}) + feed('gg:move +1') + screen:expect([[ + Second | + ^First | + Third | + Fourth | + {0:~ }| + {0:~ }| + {0:~ }| + {0:~ }| + {0:~ }| + :move +1 | + ]]) + + -- here the display would show the last few lines scrolled down + feed('u') + feed(':') + screen:expect([[ + ^First | + Second | + Third | + Fourth | + {0:~ }| + {0:~ }| + {0:~ }| + {0:~ }| + {0:~ }| + | + ]]) + end) +end) -- cgit