// |reftest| shell-option(--enable-float16array) 'use strict'; // Copyright (C) 2020 Rick Waldron. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-integer-indexed-exotic-objects-delete-p description: > Return true if key is a CanonicalNumericIndex and IsValidIntegerIndex(O, numericIndex) is false. info: | [[Delete]] (P) ... Assert: IsPropertyKey(P) is true. Assert: O is an Integer-Indexed exotic object. If Type(P) is String, then Let numericIndex be ! CanonicalNumericIndexString(P). If numericIndex is not undefined, then If IsDetachedBuffer(O.[[ViewedArrayBuffer]]) is true, return true. If ! IsValidIntegerIndex(O, numericIndex) is false, return true. Return false. ... IntegerIndexedElementGet ( O, index ) ... If ! IsValidIntegerIndex(O, index) is false, return undefined. ... flags: [onlyStrict] includes: [testTypedArray.js] features: [align-detached-buffer-semantics-with-web-reality, TypedArray] ---*/ testWithTypedArrayConstructors(function(TA) { let proto = TypedArray.prototype; Object.defineProperty(proto, "-0", { configurable: true, get() { throw new Test262Error("OrdinaryGet was called!"); } }); let sample = new TA(1); assert.sameValue(delete sample["-0"], true, 'The value of `delete sample["-0"]` is true'); assert.throws(TypeError, () => { delete sample[-0]; }); }); reportCompare(0, 0);