// Copyright (C) 2015 André Bargull. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-arraybuffer.prototype.slice description: > Throws a TypeError if species constructor is not an object. info: | ArrayBuffer.prototype.slice ( start, end ) ... 13. Let ctor be SpeciesConstructor(O, %ArrayBuffer%). 14. ReturnIfAbrupt(ctor). ... 7.3.20 SpeciesConstructor ( O, defaultConstructor ) ... 6. Let S be Get(C, @@species). 7. ReturnIfAbrupt(S). 8. If S is either undefined or null, return defaultConstructor. 9. If IsConstructor(S) is true, return S. 10. Throw a TypeError exception. features: [Symbol.species] ---*/ var speciesConstructor = {}; var arrayBuffer = new ArrayBuffer(8); arrayBuffer.constructor = speciesConstructor; function callSlice() { arrayBuffer.slice(); } speciesConstructor[Symbol.species] = true; assert.throws(TypeError, callSlice, "`constructor[Symbol.species]` value is Boolean"); speciesConstructor[Symbol.species] = ""; assert.throws(TypeError, callSlice, "`constructor[Symbol.species]` value is String"); speciesConstructor[Symbol.species] = Symbol(); assert.throws(TypeError, callSlice, "`constructor[Symbol.species]` value is Symbol"); speciesConstructor[Symbol.species] = 1; assert.throws(TypeError, callSlice, "`constructor[Symbol.species]` value is Number"); reportCompare(0, 0);