mirror of https://github.com/tc39/test262.git
46 lines
1.4 KiB
JavaScript
46 lines
1.4 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-global-environment-records-hasbinding-n
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es6id: 8.1.1.4.1
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description: >
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Symbol.unscopables is not referenced for the object environment of the global
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environment record
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info: |
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1. Let envRec be the global Environment Record for which the method was invoked.
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2. Let DclRec be envRec.[[DeclarativeRecord]].
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3. If DclRec.HasBinding(N) is true, return true.
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4. Let ObjRec be envRec.[[ObjectRecord]].
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5. Return ? ObjRec.HasBinding(N).
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8.1.1.2.1 HasBinding
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1. Let envRec be the object Environment Record for which the method was
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invoked.
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2. Let bindings be the binding object for envRec.
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3. Let foundBinding be ? HasProperty(bindings, N).
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4. If foundBinding is false, return false.
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5. If the withEnvironment flag of envRec is false, return true.
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6. Let unscopables be ? Get(bindings, @@unscopables).
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7. If Type(unscopables) is Object, then
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a. Let blocked be ToBoolean(? Get(unscopables, N)).
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b. If blocked is true, return false.
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8. Return true.
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features: [Symbol.unscopables]
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---*/
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var callCount = 0;
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Object.defineProperty(this, Symbol.unscopables, {
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get: function() {
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callCount += 1;
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}
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});
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this.test262 = true;
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test262;
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assert.sameValue(
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callCount, 0, 'Did not reference @@unscopables property of global object'
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);
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