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Improve malformed RegExp named groups coverage (#2568)

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Alexey Shvayka 2020-04-11 01:07:50 +03:00 committed by GitHub
parent 6fb6ff6ac5
commit 27a41b6321
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2 changed files with 20 additions and 7 deletions
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15
test/annexB/built-ins/RegExp/named-groups/non-unicode-malformed-lookbehind.js Normal file
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@ -0,0 +1,15 @@
// Copyright 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-GroupSpecifier
description: >
\k is parsed as IdentityEscape as look-behind assertion is not a GroupName.
features: [regexp-named-groups, regexp-lookbehind]
---*/
assert(/\k<a>(?<=>)a/.test("k<a>a"));
assert(/(?<=>)\k<a>/.test(">k<a>"));
assert(/\k<a>(?<!a)a/.test("k<a>a"));
assert(/(?<!a>)\k<a>/.test("k<a>"));

12
test/annexB/built-ins/RegExp/named-groups/non-unicode-malformed.js
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@ -6,7 +6,7 @@ description: >
Named groups in Unicode RegExps have some syntax errors and some Named groups in Unicode RegExps have some syntax errors and some
compatibility escape fallback behavior. compatibility escape fallback behavior.
esid: prod-GroupSpecifier esid: prod-GroupSpecifier
features: [regexp-named-groups, regexp-lookbehind] features: [regexp-named-groups]
includes: [compareArray.js] includes: [compareArray.js]
---*/ ---*/
@ -17,11 +17,9 @@ assert(/\k/.test("k"));
assert(/(?<a>\a)/.test("a")); assert(/(?<a>\a)/.test("a"));
assert(compareArray(["k<a>"], "xxxk<a>xxx".match(/\k<a>/))); assert.compareArray(["k<a>"], "xxxk<a>xxx".match(/\k<a>/));
assert(compareArray(["k<a"], "xxxk<a>xxx".match(/\k<a/))); assert.compareArray(["k<a"], "xxxk<a>xxx".match(/\k<a/));
// A couple of corner cases around '\k' as named back-references vs. identity
// escapes.
assert(/\k<a>(?<=>)a/.test("k<a>a"));
assert(/\k<a>(?<!a)a/.test("k<a>a"));
assert(/\k<a>(<a>x)/.test("k<a><a>x")); assert(/\k<a>(<a>x)/.test("k<a><a>x"));
assert(/\k<a>\1/.test("k<a>\x01"));
assert(/\1(b)\k<a>/.test("bk<a>"));