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-- Tests for Unicode manipulations
local helpers = require('test.functional.helpers')
local clear, feed, insert = helpers.clear, helpers.feed, helpers.insert
local execute, expect = helpers.execute, helpers.expect
local eq, eval = helpers.eq, helpers.eval
describe('utf8', function()
setup(clear)
it('is working', function()
insert('start:')
execute('new')
execute('call setline(1, ["aaa", "あああ", "bbb"])')
-- Visual block Insert adjusts for multi-byte char
feed('gg0l<C-V>jjIx<Esc>')
execute('let r = getline(1, "$")')
execute('bwipeout!')
execute('$put=r')
execute('call garbagecollect(1)')
expect([[
start:
axaa
xあああ
bxbb]])
end)
it('strchars()', function()
eq(1, eval('strchars("a")'))
eq(1, eval('strchars("a", 0)'))
eq(1, eval('strchars("a", 1)'))
eq(3, eval('strchars("あいa")'))
eq(3, eval('strchars("あいa", 0)'))
eq(3, eval('strchars("あいa", 1)'))
eq(2, eval('strchars("A\\u20dd")'))
eq(2, eval('strchars("A\\u20dd", 0)'))
eq(1, eval('strchars("A\\u20dd", 1)'))
eq(3, eval('strchars("A\\u20dd\\u20dd")'))
eq(3, eval('strchars("A\\u20dd\\u20dd", 0)'))
eq(1, eval('strchars("A\\u20dd\\u20dd", 1)'))
eq(1, eval('strchars("\\u20dd")'))
eq(1, eval('strchars("\\u20dd", 0)'))
eq(1, eval('strchars("\\u20dd", 1)'))
end)
end)
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