// 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-set-p-v-receiver description: > Throws a TypeError if key has a numeric index and object has a detached buffer (honoring the Realm of the current execution context) info: | 9.4.5.5 [[Set]] ( P, V, Receiver) ... 2. If Type(P) is String, then a. Let numericIndex be ! CanonicalNumericIndexString(P). b. If numericIndex is not undefined, then i. Perform ? IntegerIndexedElementSet(O, numericIndex, V). ii. Return true. ... IntegerIndexedElementSet ( O, index, value ) Assert: O is an Integer-Indexed exotic object. Assert: Type(index) is Number. 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 true, return false. ... includes: [testTypedArray.js, detachArrayBuffer.js] features: [align-detached-buffer-semantics-with-web-reality, cross-realm, TypedArray] ---*/ let other = $262.createRealm().global; testWithTypedArrayConstructors(function(TA) { let OtherTA = other[TA.name]; let sample = new OtherTA(1); $DETACHBUFFER(sample.buffer); sample[0] = 1; assert.sameValue(sample[0], undefined, '`sample[0]` is undefined'); }); reportCompare(0, 0);