mirror of https://github.com/tc39/test262.git
31 lines
1.0 KiB
JavaScript
31 lines
1.0 KiB
JavaScript
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// 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-evaldeclarationinstantiation
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description: Newly-created local binding may be deleted
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info: |
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[...]
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16. For each String vn in declaredVarNames, in list order do
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a. If varEnvRec is a global Environment Record, then
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[...]
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b. Else,
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i. Let bindingExists be varEnvRec.HasBinding(vn).
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ii. If bindingExists is false, then
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1. Let status be ! varEnvRec.CreateMutableBinding(vn, true).
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2. Assert: status is not an abrupt completion because of
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validation preceding step 12.
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3. Perform ! varEnvRec.InitializeBinding(vn, undefined).
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[...]
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flags: [noStrict]
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---*/
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var initial = null;
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var postDeletion;
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(function() {
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eval('initial = x; delete x; postDeletion = function() { x; }; var x;');
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}());
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assert.sameValue(initial, undefined);
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assert.throws(ReferenceError, postDeletion);
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