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70c212e480
Problem: Draw error when an empty group is removed from 'statusline'.
Solution: Do not use highlighting from a removed group.
dbe5d361fe
192 lines
7.4 KiB
Lua
192 lines
7.4 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local Screen = require('test.functional.ui.screen')
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local clear = helpers.clear
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local command = helpers.command
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local feed = helpers.feed
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local feed_command = helpers.feed_command
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local insert = helpers.insert
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local funcs = helpers.funcs
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describe("multibyte rendering", function()
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local screen
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before_each(function()
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clear()
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screen = Screen.new(60, 6)
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screen:attach({rgb=true})
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screen:set_default_attr_ids({
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[1] = {bold = true, foreground = Screen.colors.Blue1},
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[2] = {background = Screen.colors.WebGray},
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[3] = {background = Screen.colors.LightMagenta},
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[4] = {bold = true},
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})
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end)
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it("works with composed char at start of line", function()
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insert([[
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̊
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x]])
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feed("gg")
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-- verify the modifier infact is alone
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feed_command("ascii")
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screen:expect([[
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^ ̊ |
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x |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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< ̊> 778, Hex 030a, Octal 1412 |
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]])
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-- a char inserted before will spontaneously merge with it
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feed("ia<esc>")
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feed_command("ascii")
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screen:expect([[
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^å |
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x |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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<a> 97, Hex 61, Octal 141 < ̊> 778, Hex 030a, Octal 1412 |
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]])
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end)
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it('works with doublewidth char at end of line', function()
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feed('58a <esc>a馬<esc>')
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screen:expect([[
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^馬|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{1:~ }|
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]])
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feed('i <esc>')
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screen:expect([[
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^ {1:>}|
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馬 |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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]])
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feed('l')
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screen:expect([[
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{1:>}|
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^馬 |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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]])
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end)
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it('clears left half of double-width char when right half is overdrawn', function()
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feed('o-馬<esc>ggiab ')
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screen:expect([[
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ab ^ |
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-馬 |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{4:-- INSERT --} |
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]])
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-- check double-with char is temporarily hidden when overlapped
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funcs.complete(4, {'xx', 'yy'})
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screen:expect([[
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ab xx^ |
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- {2: xx } |
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{1:~ }{3: yy }{1: }|
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{1:~ }|
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{1:~ }|
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{4:-- INSERT --} |
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]])
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-- check it is properly restored
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feed('z')
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screen:expect([[
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ab xxz^ |
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-馬 |
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{4:-- INSERT --} |
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]])
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end)
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end)
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describe('multibyte rendering: statusline', function()
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local screen
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before_each(function()
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clear()
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screen = Screen.new(40, 4)
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screen:set_default_attr_ids({
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[1] = {bold = true, foreground = Screen.colors.Blue1},
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[2] = {bold = true, reverse = true},
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})
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screen:attach()
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command('set laststatus=2')
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end)
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it('last char shows (multibyte)', function()
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command('set statusline=你好')
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screen:expect([[
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^ |
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{1:~ }|
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{2:你好 }|
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]])
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end)
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it('last char shows (single byte)', function()
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command('set statusline=abc')
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screen:expect([[
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^ |
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{1:~ }|
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{2:abc }|
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]])
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end)
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it('unicode control points', function()
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command('set statusline=')
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screen:expect([[
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^ |
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{1:~ }|
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{2:<9f> }|
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]])
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end)
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it('MAX_MCO (6) unicode combination points', function()
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command('set statusline=o̸⃯ᷰ⃐⃧⃝')
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-- o + U+1DF0 + U+20EF + U+0338 + U+20D0 + U+20E7 + U+20DD
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screen:expect([[
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^ |
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{1:~ }|
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{2:o̸⃯ᷰ⃐⃧⃝ }|
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]])
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end)
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it('non-printable followed by MAX_MCO unicode combination points', function()
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command('set statusline≠⃯ᷰ⃐⃧⃝')
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-- U+9F + U+1DF0 + U+20EF + U+0338 + U+20D0 + U+20E7 + U+20DD
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screen:expect([[
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^ |
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{1:~ }|
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{2:<9f><1df0><20ef><0338><20d0><20e7><20dd>}|
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]])
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end)
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it('hidden group %( %) does not cause invalid unicode', function()
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command("let &statusline = '%#StatColorHi2#%(✓%#StatColorHi2#%) Q≡'")
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screen:expect{grid=[[
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^ |
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{1:~ }|
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{2: Q≡ }|
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]]}
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end)
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end)
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