mirror of https://github.com/tc39/test262.git
61 lines
1.4 KiB
JavaScript
61 lines
1.4 KiB
JavaScript
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// Copyright (C) 2018 Richard Gibson. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-literals-string-literals
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description: >
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Line terminators may occur within string literals as part of a |LineContinuation|
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to produce the empty code points sequence.
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info: |
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11.8.4 String Literals
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StringLiteral ::
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`"` DoubleStringCharacters? `"`
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`'` SingleStringCharacters? `'`
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DoubleStringCharacters ::
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DoubleStringCharacter DoubleStringCharacters?
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DoubleStringCharacter ::
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SourceCharacter but not one of `"` or `\` or LineTerminator
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<LS>
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<PS>
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`\` EscapeSequence
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LineContinuation
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LineContinuation ::
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`\` LineTerminatorSequence
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11.3 Line Terminators
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LineTerminatorSequence ::
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<LF>
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<CR> [lookahead != <LF>]
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<LS>
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<PS>
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<CR> <LF>
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11.8.4.2 Static Semantics: SV
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The SV of DoubleStringCharacter :: LineContinuation is the empty code unit sequence.
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---*/
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// LineTerminatorSequence :: <LF>
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assert.sameValue("\
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", "");
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// LineTerminatorSequence :: <CR> [lookahead ≠ <LF>]
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assert.sameValue("\
", "");
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// LineTerminatorSequence :: <LS>
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// <LS> is U+2028 LINE SEPARATOR; UTF8(0x2028) = 0xE2 0x80 0xA8
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assert.sameValue("\
", "");
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// LineTerminatorSequence :: <PS>
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// <PS> is U+2029 PARAGRAPH SEPARATOR; UTF8(0x2029) = 0xE2 0x80 0xA9
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assert.sameValue("\
", "");
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// LineTerminatorSequence :: <CR> <LF>
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assert.sameValue("\
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", "");
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