diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/named-groups/groups-object.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/named-groups/groups-object.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/named-groups/groups-object.js b/js/src/tests/test262/built-ins/RegExp/named-groups/groups-object.js new file mode 100644 index 0000000000..bec4ae8d59 --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/named-groups/groups-object.js @@ -0,0 +1,41 @@ +// Copyright 2017 Aleksey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: Properties of the groups object are created with CreateDataProperty +includes: [propertyHelper.js] +esid: sec-regexpbuiltinexec +features: [regexp-named-groups] +info: | + Runtime Semantics: RegExpBuiltinExec ( R, S ) + 24. If _R_ contains any |GroupName|, then + a. Let _groups_ be ObjectCreate(*null*). + 25. Else, + a. Let _groups_ be *undefined*. + 26. Perform ! CreateDataProperty(_A_, `"groups"`, _groups_). +---*/ + +// `groups` is created with Define, not Set. +let counter = 0; +Object.defineProperty(Array.prototype, "groups", { + set() { counter++; } +}); + +let match = /(?<x>.)/.exec("a"); +assert.sameValue(counter, 0); + +// `groups` is writable, enumerable and configurable +// (from CreateDataProperty). +verifyProperty(match, "groups", { + writable: true, + enumerable: true, + configurable: true, +}); + +// The `__proto__` property on the groups object is not special, +// and does not affect the [[Prototype]] of the resulting groups object. +let {groups} = /(?<__proto__>.)/.exec("a"); +assert.sameValue("a", groups.__proto__); +assert.sameValue(null, Object.getPrototypeOf(groups)); + +reportCompare(0, 0); |