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bufhl: add tests for adding and clearing highlights
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Björn Linse
parent
44b2cef83a
commit
06b9d2a6f2
261
test/functional/ui/bufhl_spec.lua
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261
test/functional/ui/bufhl_spec.lua
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local helpers = require('test.functional.helpers')
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local Screen = require('test.functional.ui.screen')
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local clear, feed, nvim, insert = helpers.clear, helpers.feed, helpers.nvim, helpers.insert
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local execute, request, eq, neq = helpers.execute, helpers.request, helpers.eq, helpers.neq
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describe('Buffer highlighting', function()
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local screen
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local curbuf
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local hl_colors = {
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NonText = Screen.colors.Blue,
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Question = Screen.colors.SeaGreen,
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String = Screen.colors.Fuchsia,
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Statement = Screen.colors.Brown,
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Special = Screen.colors.SlateBlue,
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Identifier = Screen.colors.DarkCyan
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}
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before_each(function()
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clear()
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execute("syntax on")
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screen = Screen.new(40, 8)
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screen:attach()
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screen:set_default_attr_ignore( {{bold=true, foreground=hl_colors.NonText}} )
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screen:set_default_attr_ids({
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[1] = {foreground = hl_colors.String},
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[2] = {foreground = hl_colors.Statement, bold = true},
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[3] = {foreground = hl_colors.Special},
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[4] = {bold = true, foreground = hl_colors.Special},
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[5] = {foreground = hl_colors.Identifier},
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[6] = {bold = true},
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[7] = {underline = true, bold = true, foreground = hl_colors.Special},
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[8] = {foreground = hl_colors.Special, underline = true}
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})
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curbuf = request('vim_get_current_buffer')
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end)
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after_each(function()
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screen:detach()
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end)
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local function add_hl(...)
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return request('buffer_add_highlight', curbuf, ...)
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end
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local function clear_hl(...)
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return request('buffer_clear_highlight', curbuf, ...)
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end
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it('works', function()
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insert([[
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these are some lines
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with colorful text]])
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feed('+')
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screen:expect([[
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these are some lines |
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with colorful tex^t |
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~ |
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~ |
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~ |
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~ |
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~ |
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]])
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add_hl(-1, "String", 0 , 10, 14)
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add_hl(-1, "Statement", 1 , 5, -1)
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screen:expect([[
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these are {1:some} lines |
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with {2:colorful tex^t} |
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~ |
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~ |
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~ |
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~ |
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~ |
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]])
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feed("ggo<esc>")
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screen:expect([[
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these are {1:some} lines |
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^ |
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with {2:colorful text} |
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~ |
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~ |
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~ |
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~ |
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]])
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clear_hl(-1, 0 , -1)
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screen:expect([[
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these are some lines |
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^ |
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with colorful text |
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~ |
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~ |
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~ |
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~ |
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]])
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end)
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describe('support adding multiple sources', function()
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local id1, id2
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before_each(function()
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insert([[
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a longer example
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in order to demonstrate
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combining highlights
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from different sources]])
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execute("hi ImportantWord gui=bold cterm=bold")
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id1 = add_hl(0, "ImportantWord", 0, 2, 8)
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add_hl(id1, "ImportantWord", 1, 12, -1)
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add_hl(id1, "ImportantWord", 2, 0, 9)
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add_hl(id1, "ImportantWord", 3, 5, 14)
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id2 = add_hl(0, "Special", 0, 2, 8)
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add_hl(id2, "Identifier", 1, 3, 8)
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add_hl(id2, "Special", 1, 14, 20)
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add_hl(id2, "Underlined", 2, 6, 12)
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add_hl(id2, "Underlined", 3, 0, 9)
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neq(id1, id2)
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screen:expect([[
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a {4:longer} example |
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in {5:order} to {6:de}{4:monstr}{6:ate} |
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{6:combin}{7:ing}{8: hi}ghlights |
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{8:from }{7:diff}{6:erent} source^s |
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~ |
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~ |
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~ |
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:hi ImportantWord gui=bold cterm=bold |
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]])
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end)
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it('and clearing the first added', function()
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clear_hl(id1, 0, -1)
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screen:expect([[
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a {3:longer} example |
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in {5:order} to de{3:monstr}ate |
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combin{8:ing hi}ghlights |
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{8:from diff}erent source^s |
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~ |
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~ |
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~ |
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:hi ImportantWord gui=bold cterm=bold |
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]])
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end)
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it('and clearing the second added', function()
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clear_hl(id2, 0, -1)
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screen:expect([[
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a {6:longer} example |
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in order to {6:demonstrate} |
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{6:combining} highlights |
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from {6:different} source^s |
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~ |
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~ |
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~ |
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:hi ImportantWord gui=bold cterm=bold |
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]])
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end)
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it('and clearing line ranges', function()
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clear_hl(-1, 0, 1)
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clear_hl(id1, 1, 2)
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clear_hl(id2, 2, -1)
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screen:expect([[
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a longer example |
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in {5:order} to de{3:monstr}ate |
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{6:combining} highlights |
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from {6:different} source^s |
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~ |
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~ |
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~ |
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:hi ImportantWord gui=bold cterm=bold |
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]])
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end)
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it('and renumbering lines', function()
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feed('3Gddggo<esc>')
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screen:expect([[
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a {4:longer} example |
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^ |
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in {5:order} to {6:de}{4:monstr}{6:ate} |
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{8:from }{7:diff}{6:erent} sources |
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~ |
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~ |
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~ |
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]])
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execute(':3move 4')
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screen:expect([[
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a {4:longer} example |
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{8:from }{7:diff}{6:erent} sources |
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^in {5:order} to {6:de}{4:monstr}{6:ate} |
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~ |
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~ |
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~ |
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::3move 4 |
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]])
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end)
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end)
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it('prioritizes latest added highlight', function()
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insert([[
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three overlapping colors]])
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id1 = add_hl(0, "Identifier", 0, 6, 17)
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id2 = add_hl(0, "Special", 0, 0, 9)
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id3 = add_hl(0, "String", 0, 14, 23)
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screen:expect([[
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{3:three ove}{5:rlapp}{1:ing color}^s |
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~ |
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~ |
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~ |
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~ |
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~ |
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~ |
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]])
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clear_hl(id2, 0, 1)
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screen:expect([[
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three {5:overlapp}{1:ing color}^s |
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~ |
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~ |
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~ |
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~ |
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~ |
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~ |
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]])
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end)
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it('works with multibyte text', function()
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insert([[
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Ta båten över sjön!]])
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add_hl(-1, "Identifier", 0, 3, 9)
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add_hl(-1, "String", 0, 16, 21)
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screen:expect([[
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Ta {5:båten} över {1:sjön}^! |
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~ |
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~ |
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~ |
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~ |
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~ |
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~ |
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]])
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end)
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end)
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