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Add additional tests for tc39/ecma262#3307.
Ensure that the following cases are covered: - tc39/ecma262#3295 (comment) - tc39/ecma262#2659 (comment)
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44
test/language/expressions/member-expression/computed-reference-null-or-undefined.js
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// Copyright (C) 2024 Sony Interactive Entertainment Inc. All rights reserved. | ||
// This code is governed by the BSD license found in the LICENSE file. | ||
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/*--- | ||
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]]). | ||
---*/ | ||
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assert.throws(TypeError, function() { | ||
var base = null; | ||
var prop = { | ||
toString: function() { | ||
throw new Test262Error("property key evaluated"); | ||
} | ||
}; | ||
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base[prop]; | ||
}); | ||
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assert.throws(TypeError, function() { | ||
var base = undefined; | ||
var prop = { | ||
toString: function() { | ||
throw new Test262Error("property key evaluated"); | ||
} | ||
}; | ||
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base[prop]; | ||
}); |