diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/prototype/Symbol.matchAll/isregexp-called-once.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/prototype/Symbol.matchAll/isregexp-called-once.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.matchAll/isregexp-called-once.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.matchAll/isregexp-called-once.js new file mode 100644 index 0000000000..4d0888f201 --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.matchAll/isregexp-called-once.js @@ -0,0 +1,59 @@ +// Copyright (C) 2018 Peter Wong. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: pending +description: IsRegExp should only be called once +info: | + RegExp.prototype [ @@matchAll ] ( string ) + 1. Let R be the this value. + [...] + 4. Let C be ? SpeciesConstructor(R, %RegExp%). + 5. Let flags be ? ToString(? Get(R, "flags")). + 6. Let matcher be ? Construct(C, « R, flags »). + + 21.2.3.1 RegExp ( pattern, flags ) + 1. Let patternIsRegExp be ? IsRegExp(pattern). + [...] +features: [Symbol.match, Symbol.matchAll] +---*/ + +var internalCount = 0; +Object.defineProperty(RegExp.prototype, Symbol.match, { + get: function() { + ++internalCount; + return true; + } +}); + +var calls = []; +var o = { + get [Symbol.match]() { + calls.push('get @@match'); + return false; + }, + get flags() { + calls.push('get flags'); + return { + toString() { + calls.push('flags toString'); + return ""; + } + }; + }, +}; + +RegExp.prototype[Symbol.matchAll].call(o, { + toString() { + calls.push('arg toString') + } +}); + +assert.sameValue(0, internalCount); + +assert.sameValue(calls.length, 4); +assert.sameValue(calls[0], 'arg toString'); +assert.sameValue(calls[1], 'get flags'); +assert.sameValue(calls[2], 'flags toString'); +assert.sameValue(calls[3], 'get @@match'); + +reportCompare(0, 0); |