mirror of https://github.com/tc39/test262.git
40 lines
1.0 KiB
Plaintext
40 lines
1.0 KiB
Plaintext
// 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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desc: Variable binding is set to `undefined`
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template: eval-global
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info: |
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B.3.3.3 Changes to EvalDeclarationInstantiation
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[...]
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i. If varEnvRec is a global Environment Record, then
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i. Perform ? varEnvRec.CreateGlobalFunctionBinding(F, undefined, true).
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[...]
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8.1.1.4.18 CreateGlobalFunctionBinding
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[...]
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5. If existingProp is undefined or existingProp.[[Configurable]] is true,
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then
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[...]
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6. Else,
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a. Let desc be the PropertyDescriptor{[[Value]]: V }.
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[...]
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includes: [fnGlobalObject.js, propertyHelper.js]
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---*/
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//- setup
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Object.defineProperty(fnGlobalObject(), 'f', {
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value: 'x',
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enumerable: true,
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writable: true,
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configurable: false
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});
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//- before
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var global = fnGlobalObject();
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assert.sameValue(f, undefined, "binding is initialized to `undefined`");
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verifyEnumerable(global, "f");
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verifyWritable(global, "f");
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verifyNotConfigurable(global, "f");
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