mirror of https://github.com/tc39/test262.git
37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
// Copyright (C) 2021 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-delete-operator-runtime-semantics-evaluation
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description: The restriction on the base of a super property must not be enforced before the delete expression is evaluated.
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info: |
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# 13.3.7.3 MakeSuperPropertyReference ( actualThis, propertyKey, strict )
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1. Let env be GetThisEnvironment().
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2. Assert: env.HasSuperBinding() is true.
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3. Let baseValue be ? env.GetSuperBase().
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4. Let bv be ? RequireObjectCoercible(baseValue).
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# 13.5.1.2 Runtime Semantics: Evaluation
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UnaryExpression : delete UnaryExpression
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1. Let ref be the result of evaluating UnaryExpression.
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2. ReturnIfAbrupt(ref).
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[...]
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5. If IsPropertyReference(ref) is true, then
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a. Assert: ! IsPrivateReference(ref) is false.
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b. If IsSuperReference(ref) is true, throw a ReferenceError exception.
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features: [class]
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---*/
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class C {
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static m() {
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delete super.x;
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}
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}
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Object.setPrototypeOf(C, null);
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assert.throws(ReferenceError, () => {
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C.m();
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});
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