// Copyright (C) 2024 Sony Interactive Entertainment Inc. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-evaluate-property-access-with-expression-key description: When getting the value of o[p], ToObject(o) precedes ToPropertyKey(p). info: | 13.3.3 EvaluatePropertyAccessWithExpressionKey ( baseValue, expression, strict ) 1. Let _propertyNameReference_ be ? Evaluation of _expression_. 2. Let _propertyNameValue_ be ? GetValue(_propertyNameReference_). ... 4. Return the Reference Record { [[Base]]: _baseValue_, [[ReferencedName]]: _propertyNameValue_, [[Strict]]: _strict_, [[ThisValue]]: ~empty~ }. 6.2.5.5 GetValue ( V ) 1. If V is not a Reference Record, return V. ... 3. If IsPropertyReference(V) is true, then a. Let baseObj be ? ToObject(V.[[Base]]). ... c. If V.[[ReferencedName]] is neither a String nor a Symbol, then i. Let referencedName be ? ToPropertyKey(V.[[ReferencedName]]). ---*/ assert.throws(TypeError, function() { var base = null; var prop = { toString: function() { throw new Test262Error("property key evaluated"); } }; base[prop]; }); assert.throws(TypeError, function() { var base = undefined; var prop = { toString: function() { throw new Test262Error("property key evaluated"); } }; base[prop]; });