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Diffstat (limited to 'test/functional/ui/multibyte_spec.lua')
| -rw-r--r-- | test/functional/ui/multibyte_spec.lua | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/test/functional/ui/multibyte_spec.lua b/test/functional/ui/multibyte_spec.lua new file mode 100644 index 0000000000..3e63353ad2 --- /dev/null +++ b/test/functional/ui/multibyte_spec.lua @@ -0,0 +1,185 @@ +local helpers = require('test.functional.helpers')(after_each) +local Screen = require('test.functional.ui.screen') +local clear = helpers.clear +local command = helpers.command +local feed = helpers.feed +local feed_command = helpers.feed_command +local insert = helpers.insert +local funcs = helpers.funcs + +describe("multibyte rendering", function() + local screen + before_each(function() + clear() + screen = Screen.new(60, 6) + screen:attach({rgb=true}) + screen:set_default_attr_ids({ + [1] = {bold = true, foreground = Screen.colors.Blue1}, + [2] = {background = Screen.colors.WebGray}, + [3] = {background = Screen.colors.LightMagenta}, + [4] = {bold = true}, + }) + end) + + after_each(function() + screen:detach() + end) + + it("works with composed char at start of line", function() + insert([[ + ̊ + x]]) + feed("gg") + -- verify the modifier infact is alone + feed_command("ascii") + screen:expect([[ + ^ ̊ | + x | + {1:~ }| + {1:~ }| + {1:~ }| + < ̊> 778, Hex 030a, Octal 1412 | + ]]) + + -- a char inserted before will spontaneously merge with it + feed("ia<esc>") + feed_command("ascii") + screen:expect([[ + ^å | + x | + {1:~ }| + {1:~ }| + {1:~ }| + <a> 97, Hex 61, Octal 141 < ̊> 778, Hex 030a, Octal 1412 | + ]]) + end) + + it('works with doublewidth char at end of line', function() + feed('58a <esc>a馬<esc>') + screen:expect([[ + ^馬| + {1:~ }| + {1:~ }| + {1:~ }| + {1:~ }| + | + ]]) + + feed('i <esc>') + screen:expect([[ + ^ {1:>}| + 馬 | + {1:~ }| + {1:~ }| + {1:~ }| + | + ]]) + + feed('l') + screen:expect([[ + {1:>}| + ^馬 | + {1:~ }| + {1:~ }| + {1:~ }| + | + ]]) + end) + + it('clears left half of double-width char when right half is overdrawn', function() + feed('o-馬<esc>ggiab ') + screen:expect([[ + ab ^ | + -馬 | + {1:~ }| + {1:~ }| + {1:~ }| + {4:-- INSERT --} | + ]]) + + -- check double-with char is temporarily hidden when overlapped + funcs.complete(4, {'xx', 'yy'}) + screen:expect([[ + ab xx^ | + - {2: xx } | + {1:~ }{3: yy }{1: }| + {1:~ }| + {1:~ }| + {4:-- INSERT --} | + ]]) + + -- check it is properly restored + feed('z') + screen:expect([[ + ab xxz^ | + -馬 | + {1:~ }| + {1:~ }| + {1:~ }| + {4:-- INSERT --} | + ]]) + end) +end) + +describe('multibyte rendering: statusline', function() + local screen + + before_each(function() + clear() + screen = Screen.new(40, 4) + screen:attach() + command('set laststatus=2') + end) + + after_each(function() + screen:detach() + end) + + it('last char shows (multibyte)', function() + command('set statusline=你好') + screen:expect([[ + ^ | + ~ | + 你好 | + | + ]]) + end) + it('last char shows (single byte)', function() + command('set statusline=abc') + screen:expect([[ + ^ | + ~ | + abc | + | + ]]) + end) + it('unicode control points', function() + command('set statusline=') + screen:expect([[ + ^ | + ~ | + <9f> | + | + ]]) + end) + it('MAX_MCO (6) unicode combination points', function() + command('set statusline=o̸⃯ᷰ⃐⃧⃝') + -- o + U+1DF0 + U+20EF + U+0338 + U+20D0 + U+20E7 + U+20DD + screen:expect([[ + ^ | + ~ | + o̸⃯ᷰ⃐⃧⃝ | + | + ]]) + end) + it('non-printable followed by MAX_MCO unicode combination points', function() + command('set statusline≠⃯ᷰ⃐⃧⃝') + -- U+9F + U+1DF0 + U+20EF + U+0338 + U+20D0 + U+20E7 + U+20DD + screen:expect([[ + ^ | + ~ | + <9f><1df0><20ef><0338><20d0><20e7><20dd>| + | + ]]) + end) +end) |