mirror of https://github.com/odrling/Aegisub
48 lines
2.0 KiB
Plaintext
48 lines
2.0 KiB
Plaintext
-- Copyright (c) 2013, Thomas Goyne <plorkyeran@aegisub.org>
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--
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-- Permission to use, copy, modify, and distribute this software for any
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-- purpose with or without fee is hereby granted, provided that the above
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-- copyright notice and this permission notice appear in all copies.
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--
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-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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unicode = require 'aegisub.unicode'
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describe 'charwidth', ->
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it 'should return 1 for an ascii character', ->
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assert.is.equal 1, unicode.charwidth 'a'
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it 'should return 2 for a two byte character', ->
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assert.is.equal 2, unicode.charwidth 'ß'
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it 'should return 3 for a three byte character', ->
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assert.is.equal 3, unicode.charwidth 'ｃ'
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it 'should return 4 for a four byte character', ->
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assert.is.equal 4, unicode.charwidth '🄓'
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describe 'char_iterator', ->
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it 'should iterator over multi-byte codepoints', ->
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chars = [c for c in unicode.chars 'aßｃ🄓']
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assert.is.equal 4, #chars
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assert.is.equal chars[1], 'a'
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assert.is.equal chars[2], 'ß'
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assert.is.equal chars[3], 'ｃ'
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assert.is.equal chars[4], '🄓'
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describe 'len', ->
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it 'should give length in codepoints', ->
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assert.is.equal 4, unicode.len 'aßｃ🄓'
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describe 'codepoint', ->
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it 'should give codepoint as an integer for a string', ->
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assert.is.equal 97, unicode.codepoint 'a'
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assert.is.equal 223, unicode.codepoint 'ß'
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assert.is.equal 0xFF43, unicode.codepoint 'ｃ'
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assert.is.equal 0x1F113, unicode.codepoint '🄓'
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it 'should give ignore codepoints after the first', ->
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assert.is.equal 97, unicode.codepoint 'abc'
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