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Add tests for LineContinuation in StringLiteral

This commit is contained in:
Richard Gibson 2018-05-21 12:19:48 -04:00
parent fbccd8eeff
commit 3758f6a97c
2 changed files with 120 additions and 0 deletions
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60
test/language/literals/string/line-continuation-double.js Normal file
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// Copyright (C) 2018 Richard Gibson. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-literals-string-literals
description: >
Line terminators may occur within string literals as part of a |LineContinuation|
to produce the empty code points sequence.
info: |
11.8.4 String Literals
StringLiteral ::
`"` DoubleStringCharacters? `"`
`'` SingleStringCharacters? `'`
DoubleStringCharacters ::
DoubleStringCharacter DoubleStringCharacters?
DoubleStringCharacter ::
SourceCharacter but not one of `"` or `\` or LineTerminator
<LS>
<PS>
`\` EscapeSequence
LineContinuation
LineContinuation ::
`\` LineTerminatorSequence
11.3 Line Terminators
LineTerminatorSequence ::
<LF>
<CR> [lookahead != <LF>]
<LS>
<PS>
<CR> <LF>
11.8.4.2 Static Semantics: SV
The SV of DoubleStringCharacter :: LineContinuation is the empty code unit sequence.
---*/
// LineTerminatorSequence :: <LF>
assert.sameValue("\
", "");
// LineTerminatorSequence :: <CR> [lookahead ≠ <LF>]
assert.sameValue("\ ", "");
// LineTerminatorSequence :: <LS>
// <LS> is U+2028 LINE SEPARATOR; UTF8(0x2028) = 0xE2 0x80 0xA8
assert.sameValue("\
", "");
// LineTerminatorSequence :: <PS>
// <PS> is U+2029 PARAGRAPH SEPARATOR; UTF8(0x2029) = 0xE2 0x80 0xA9
assert.sameValue("\
", "");
// LineTerminatorSequence :: <CR> <LF>
assert.sameValue("\
", "");

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