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screen: fix problem with p_ch

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When the screen is resized, p_ch is not re-set to the appropriate value.
As a result, access to invalid addresses was occurring.
This commit is contained in:
erw7
2021-04-01 20:46:12 +09:00
parent a177820420
commit 581b2bcde0
2 changed files with 16 additions and 0 deletions
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12
test/functional/ui/cmdline_spec.lua
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@@ -3,6 +3,7 @@ local Screen = require('test.functional.ui.screen')
local clear, feed = helpers.clear, helpers.feed
local source = helpers.source
local command = helpers.command
local assert_alive = helpers.assert_alive
local function new_screen(opt)
local screen = Screen.new(25, 5)
@@ -842,3 +843,14 @@ describe('cmdline redraw', function()
]], unchanged=true}
end)
end)
describe("cmdline height", function()
it("does not crash resized screen #14263", function()
clear()
local screen = Screen.new(25, 10)
screen:attach()
command('set cmdheight=9999')
screen:try_resize(25, 5)
assert_alive()
end)
end)