mirror of https://github.com/tc39/test262.git
36 lines
941 B
JavaScript
36 lines
941 B
JavaScript
// Copyright (C) 2016 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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es6id: 12.5.4.2
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description: SuperReferences may not be deleted
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info: |
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[...]
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5.If IsPropertyReference(ref) is true, then
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a. If IsSuperReference(ref) is true, throw a ReferenceError exception.
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features: [class]
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---*/
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var caught;
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class C extends Object {
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constructor() {
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try {
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delete super.x;
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} catch (err) {
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caught = err;
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}
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}
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}
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// When the "construct" invocation completes and the "this" value is
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// uninitialized, the specification dictates that a ReferenceError must be
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// thrown. That behavior is tested elsewhere, so the error is ignored (if it is
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// produced at all).
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try {
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new C();
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} catch (_) {}
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assert.sameValue(typeof caught, 'object');
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assert.sameValue(caught.constructor, ReferenceError);
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