MAC0318/ParticleFilter/node_modules/ast-transform/node_modules/esutils/test/code.coffee

# Copyright (C) 2013 Yusuke Suzuki <utatane.tea@gmail.com>
#
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# modification, are permitted provided that the following conditions are met:
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#   * Redistributions of source code must retain the above copyright
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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'use strict'

expect = require('chai').expect
esutils = require '../'

describe 'code', ->
    describe 'isDecimalDigit', ->
        it 'returns true if provided code is decimal digit', ->
            for ch in [0..9]
                expect(esutils.code.isDecimalDigit((ch + '').charCodeAt(0))).to.be.true

        it 'returns false if provided code is not decimal digit', ->
            for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)]
                expect(esutils.code.isDecimalDigit(code)).to.be.false

            for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)]
                expect(esutils.code.isDecimalDigit(code)).to.be.false

    describe 'isHexDigit', ->
        it 'returns true if provided code is hexadecimal digit', ->
            for ch in [0..9]
                expect(esutils.code.isHexDigit((ch + '').charCodeAt(0))).to.be.true

            for code in ['a'.charCodeAt(0)..'f'.charCodeAt(0)]
                expect(esutils.code.isHexDigit(code)).to.be.true

            for code in ['A'.charCodeAt(0)..'F'.charCodeAt(0)]
                expect(esutils.code.isHexDigit(code)).to.be.true

        it 'returns false if provided code is not hexadecimal digit', ->
            for code in ['g'.charCodeAt(0)..'z'.charCodeAt(0)]
                expect(esutils.code.isHexDigit(code)).to.be.false

            for code in ['G'.charCodeAt(0)..'Z'.charCodeAt(0)]
                expect(esutils.code.isHexDigit(code)).to.be.false

    describe 'isOctalDigit', ->
        it 'returns true if provided code is octal digit', ->
            for ch in [0..7]
                expect(esutils.code.isOctalDigit((ch + '').charCodeAt(0))).to.be.true

        it 'returns false if provided code is not octal digit', ->
            for ch in [8..9]
                expect(esutils.code.isOctalDigit((ch + '').charCodeAt(0))).to.be.false

            for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)]
                expect(esutils.code.isOctalDigit(code)).to.be.false

            for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)]
                expect(esutils.code.isOctalDigit(code)).to.be.false

    describe 'isWhiteSpace', ->
        it 'returns true if provided code is white space', ->
            codes = [
                0x0009  # TAB
                0x000B  # VT
                0x000C  # FF
                0x0020  # SP
                0x00A0  # NBSP
                0xFEFF  # BOM

                # Zs
                0x1680
                0x180E
                0x2000
                0x2001
                0x2002
                0x2003
                0x2004
                0x2005
                0x2006
                0x2007
                0x2008
                0x2009
                0x200A
                0x202F
                0x205F
                0x3000
            ]
            for code in codes
                expect(esutils.code.isWhiteSpace(code)).to.be.true

        it 'returns false if provided code is not white space', ->
            for ch in [0..9]
                expect(esutils.code.isWhiteSpace((ch + '').charCodeAt(0))).to.be.false

            for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)]
                expect(esutils.code.isWhiteSpace(code)).to.be.false

            for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)]
                expect(esutils.code.isWhiteSpace(code)).to.be.false

    describe 'isLineTerminator', ->
        it 'returns true if provided code is line terminator', ->
            codes = [
                0x000A
                0x000D
                0x2028
                0x2029
            ]
            for code in codes
                expect(esutils.code.isLineTerminator(code)).to.be.true

        it 'returns false if provided code is not line terminator', ->
            for ch in [0..9]
                expect(esutils.code.isLineTerminator((ch + '').charCodeAt(0))).to.be.false

            for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)]
                expect(esutils.code.isLineTerminator(code)).to.be.false

            for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)]
                expect(esutils.code.isLineTerminator(code)).to.be.false

    describe 'isIdentifierStart', ->
        it 'returns true if provided code can be a start of Identifier', ->
            characters = [
                'a'
                '$'
                '_'
                'ゆ'
            ]
            for code in characters.map((ch) -> ch.charCodeAt(0))
                expect(esutils.code.isIdentifierStart(code)).to.be.true

        it 'returns false if provided code cannot be a start of Identifier', ->
            for ch in [0..9]
                expect(esutils.code.isIdentifierStart((ch + '').charCodeAt(0))).to.be.false

    describe 'isIdentifierPart', ->
        it 'returns true if provided code can be a part of Identifier', ->
            characters = [
                'a'
                '_'
                '$'
                'ゆ'
            ]
            for code in characters.map((ch) -> ch.charCodeAt(0))
                expect(esutils.code.isIdentifierPart(code)).to.be.true

            for ch in [0..9]
                expect(esutils.code.isIdentifierPart((ch + '').charCodeAt(0))).to.be.true

        it 'returns false if provided code cannot be a part of Identifier', ->
            expect(esutils.code.isIdentifierPart('+'.charCodeAt(0))).to.be.false
            expect(esutils.code.isIdentifierPart('-'.charCodeAt(0))).to.be.false