// 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-integer-indexed-exotic-objects-defineownproperty-p-desc description: > Set the value and return true info: | 9.4.5.3 [[DefineOwnProperty]] ( P, Desc) ... 3. If Type(P) is String, then a. Let numericIndex be ! CanonicalNumericIndexString(P). b. If numericIndex is not undefined, then ... xi. If Desc has a [[Value]] field, then 1. Let value be Desc.[[Value]]. 2. Return ? IntegerIndexedElementSet(O, intIndex, value). ... IntegerIndexedElementSet ( O, index, value ) Assert: O is an Integer-Indexed exotic object. If O.[[ContentType]] is BigInt, let numValue be ? ToBigInt(value). Otherwise, let numValue be ? ToNumber(value). Let buffer be O.[[ViewedArrayBuffer]]. If IsDetachedBuffer(buffer) is false and ! IsValidIntegerIndex(O, index) is true, then Let offset be O.[[ByteOffset]]. Let arrayTypeName be the String value of O.[[TypedArrayName]]. Let elementSize be the Element Size value specified in Table 62 for arrayTypeName. Let indexedPosition be (ℝ(index) × elementSize) + offset. Let elementType be the Element Type value in Table 62 for arrayTypeName. Perform SetValueInBuffer(buffer, indexedPosition, elementType, numValue, true, Unordered). Return NormalCompletion(undefined). includes: [testTypedArray.js] features: [Reflect, TypedArray] ---*/ testWithTypedArrayConstructors(function(TA) { var sample = new TA([0, 0]); assert.sameValue( Reflect.defineProperty(sample, "0", {value: 1}), true, "set value for sample[0] returns true" ); assert.sameValue( Reflect.defineProperty(sample, "1", {value: 2}), true, "set value for sample[1] returns true" ); assert.sameValue(sample[0], 1, "sample[0]"); assert.sameValue(sample[1], 2, "sample[1]"); }); reportCompare(0, 0);