not-a-constructor.js (883B)
1 // Copyright (C) 2024 Igalia S.L. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 esid: sec-ecmascript-standard-built-in-objects 6 description: > 7 JSON.isRawJSON does not implement [[Construct]], is not new-able 8 info: | 9 ECMAScript Function Objects 10 11 Built-in function objects that are not identified as constructors do not 12 implement the [[Construct]] internal method unless otherwise specified in 13 the description of a particular function. 14 15 sec-evaluatenew 16 17 ... 18 7. If IsConstructor(constructor) is false, throw a TypeError exception. 19 ... 20 includes: [isConstructor.js] 21 features: [json-parse-with-source, Reflect.construct] 22 ---*/ 23 24 assert.sameValue(isConstructor(JSON.isRawJSON), false, 'isConstructor(JSON.isRawJSON) must return false'); 25 26 assert.throws(TypeError, () => { 27 new JSON.isRawJSON(); 28 }); 29 30 reportCompare(0, 0);