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36 lines
1.5 KiB
TypeScript
36 lines
1.5 KiB
TypeScript
import { expect } from 'chai'
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import { parseStringLiteral } from '../../../src/parser/parse-string-literal'
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describe('parseStringLiteral()', function () {
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it('should parse octal escape', () => {
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expect(parseStringLiteral(String.raw`"\1010"`)).to.equal('A0')
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expect(parseStringLiteral(String.raw`"\12"`)).to.equal('\n')
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expect(parseStringLiteral(String.raw`"\01"`)).to.equal('\u0001')
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expect(parseStringLiteral(String.raw`"\0"`)).to.equal('\0')
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})
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it('should skip invalid octal escape', () => {
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expect(parseStringLiteral(String.raw`"\9"`)).to.equal('9')
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})
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it('should parse \\n, \\t, \\r', () => {
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expect(parseStringLiteral(String.raw`"fo\no"`)).to.equal('fo\no')
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expect(parseStringLiteral(String.raw`'fo\to'`)).to.equal('fo\to')
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expect(parseStringLiteral(String.raw`'fo\ro'`)).to.equal('fo\ro')
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})
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it('should parse unicode(hex) escape', () => {
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expect(parseStringLiteral('"\\u003C"')).to.equal('<')
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expect(parseStringLiteral('"\\u003cZ"')).to.equal('<Z')
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expect(parseStringLiteral('"\\u41"')).to.equal('A')
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})
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it('should skip invalid unicode(hex) escape', () => {
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expect(parseStringLiteral('"\\u41Z"')).to.equal('AZ')
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expect(parseStringLiteral('"\\uZ"')).to.equal('\0Z')
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})
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it('should parse quote escape', () => {
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expect(parseStringLiteral(String.raw`"fo\'o"`)).to.equal("fo'o")
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expect(parseStringLiteral(String.raw`'fo\"o'`)).to.equal('fo"o')
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})
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it('should parse slash escape', () => {
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expect(parseStringLiteral(String.raw`'fo\\o'`)).to.equal('fo\\o')
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})
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})
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