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// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-delete-operator-runtime-semantics-evaluation
description: >
Element expression in delete super not evaluated when this is uninitialized.
info: |
13.5.1.2 Runtime Semantics: Evaluation
UnaryExpression : delete UnaryExpression
1. Let ref be ? Evaluation of UnaryExpression.
...
13.3.7.1 Runtime Semantics: Evaluation
SuperProperty : super [ Expression ]
...
2. Let actualThis be ? env.GetThisBinding().
3. Let propertyNameReference be ? Evaluation of Expression.
...
9.1.1.3.4 GetThisBinding ( )
...
2. If envRec.[[ThisBindingStatus]] is uninitialized, throw a ReferenceError exception.
...
---*/
class Base {
constructor() {
throw new Test262Error("base constructor called");
}
}
class Derived extends Base {
constructor() {
delete super[(super(), 0)];
}
}
assert.throws(ReferenceError, () => new Derived);
reportCompare(0, 0);