// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-%typedarray%.prototype.filter description: get inherited constructor on SpeciesConstructor info: | 22.2.3.9 %TypedArray%.prototype.filter ( callbackfn [ , thisArg ] ) ... 10. Let A be ? TypedArraySpeciesCreate(O, « captured »). ... 22.2.4.7 TypedArraySpeciesCreate ( exemplar, argumentList ) ... 3. Let constructor be ? SpeciesConstructor(exemplar, defaultConstructor). ... 7.3.20 SpeciesConstructor ( O, defaultConstructor ) 1. Assert: Type(O) is Object. 2. Let C be ? Get(O, "constructor"). 3. If C is undefined, return defaultConstructor. ... includes: [testTypedArray.js] features: [TypedArray] ---*/ testWithTypedArrayConstructors(function(TA) { var sample = new TA([40, 41, 42, 43]); var calls = 0; var result; Object.defineProperty(TA.prototype, "constructor", { get: function() { calls++; } }); result = sample.filter(function() { return true; }); assert.sameValue(calls, 1, "called custom ctor get accessor once"); assert.sameValue( Object.getPrototypeOf(result), Object.getPrototypeOf(sample), "use defaultCtor on an undefined return - getPrototypeOf check" ); assert.sameValue( result.constructor, undefined, "used defaultCtor but still checks the inherited .constructor" ); calls = 6; result.constructor; assert.sameValue( calls, 7, "result.constructor triggers the inherited accessor property" ); }); reportCompare(0, 0);