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168 lines
6.6 KiB
CoffeeScript
168 lines
6.6 KiB
CoffeeScript
7 years ago
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# Copyright (C) 2013 Yusuke Suzuki <utatane.tea@gmail.com>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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'use strict'
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expect = require('chai').expect
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esutils = require '../'
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describe 'code', ->
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describe 'isDecimalDigit', ->
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it 'returns true if provided code is decimal digit', ->
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for ch in [0..9]
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expect(esutils.code.isDecimalDigit((ch + '').charCodeAt(0))).to.be.true
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it 'returns false if provided code is not decimal digit', ->
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for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)]
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expect(esutils.code.isDecimalDigit(code)).to.be.false
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for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)]
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expect(esutils.code.isDecimalDigit(code)).to.be.false
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describe 'isHexDigit', ->
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it 'returns true if provided code is hexadecimal digit', ->
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for ch in [0..9]
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expect(esutils.code.isHexDigit((ch + '').charCodeAt(0))).to.be.true
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for code in ['a'.charCodeAt(0)..'f'.charCodeAt(0)]
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expect(esutils.code.isHexDigit(code)).to.be.true
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for code in ['A'.charCodeAt(0)..'F'.charCodeAt(0)]
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expect(esutils.code.isHexDigit(code)).to.be.true
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it 'returns false if provided code is not hexadecimal digit', ->
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for code in ['g'.charCodeAt(0)..'z'.charCodeAt(0)]
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expect(esutils.code.isHexDigit(code)).to.be.false
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for code in ['G'.charCodeAt(0)..'Z'.charCodeAt(0)]
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expect(esutils.code.isHexDigit(code)).to.be.false
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describe 'isOctalDigit', ->
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it 'returns true if provided code is octal digit', ->
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for ch in [0..7]
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expect(esutils.code.isOctalDigit((ch + '').charCodeAt(0))).to.be.true
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it 'returns false if provided code is not octal digit', ->
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for ch in [8..9]
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expect(esutils.code.isOctalDigit((ch + '').charCodeAt(0))).to.be.false
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for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)]
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expect(esutils.code.isOctalDigit(code)).to.be.false
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for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)]
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expect(esutils.code.isOctalDigit(code)).to.be.false
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describe 'isWhiteSpace', ->
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it 'returns true if provided code is white space', ->
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codes = [
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0x0009 # TAB
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0x000B # VT
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0x000C # FF
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0x0020 # SP
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0x00A0 # NBSP
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0xFEFF # BOM
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# Zs
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0x1680
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0x180E
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0x2000
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0x2001
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0x2002
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0x2003
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0x2004
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0x2005
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0x2006
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0x2007
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0x2008
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0x2009
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0x200A
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0x202F
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0x205F
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0x3000
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]
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for code in codes
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expect(esutils.code.isWhiteSpace(code)).to.be.true
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it 'returns false if provided code is not white space', ->
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for ch in [0..9]
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expect(esutils.code.isWhiteSpace((ch + '').charCodeAt(0))).to.be.false
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for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)]
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expect(esutils.code.isWhiteSpace(code)).to.be.false
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for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)]
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expect(esutils.code.isWhiteSpace(code)).to.be.false
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describe 'isLineTerminator', ->
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it 'returns true if provided code is line terminator', ->
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codes = [
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0x000A
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0x000D
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0x2028
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0x2029
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]
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for code in codes
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expect(esutils.code.isLineTerminator(code)).to.be.true
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it 'returns false if provided code is not line terminator', ->
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for ch in [0..9]
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expect(esutils.code.isLineTerminator((ch + '').charCodeAt(0))).to.be.false
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for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)]
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expect(esutils.code.isLineTerminator(code)).to.be.false
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for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)]
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expect(esutils.code.isLineTerminator(code)).to.be.false
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describe 'isIdentifierStart', ->
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it 'returns true if provided code can be a start of Identifier', ->
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characters = [
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'a'
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'$'
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'_'
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'ゆ'
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]
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for code in characters.map((ch) -> ch.charCodeAt(0))
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expect(esutils.code.isIdentifierStart(code)).to.be.true
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it 'returns false if provided code cannot be a start of Identifier', ->
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for ch in [0..9]
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expect(esutils.code.isIdentifierStart((ch + '').charCodeAt(0))).to.be.false
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describe 'isIdentifierPart', ->
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it 'returns true if provided code can be a part of Identifier', ->
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characters = [
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'a'
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'_'
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'$'
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'ゆ'
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]
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for code in characters.map((ch) -> ch.charCodeAt(0))
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expect(esutils.code.isIdentifierPart(code)).to.be.true
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for ch in [0..9]
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expect(esutils.code.isIdentifierPart((ch + '').charCodeAt(0))).to.be.true
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it 'returns false if provided code cannot be a part of Identifier', ->
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expect(esutils.code.isIdentifierPart('+'.charCodeAt(0))).to.be.false
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expect(esutils.code.isIdentifierPart('-'.charCodeAt(0))).to.be.false
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