mirror of https://github.com/tc39/test262.git
38 lines
977 B
JavaScript
38 lines
977 B
JavaScript
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// Copyright 2015 Mike Pennisi. 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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es6id: 8.1.1.2.1
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description: >
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`Symbol.unscopables` is not referenced when environment record does not have requested property
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info: >
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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. ReturnIfAbrupt(foundBinding).
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5. If foundBinding is false, return false.
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ES6: 13.11.7 (The `with` Statement) Runtime Semantics: Evaluation
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[...]
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6. Set the withEnvironment flag of newEnv’s EnvironmentRecord to true.
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[...]
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flags: [noStrict]
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features: [Symbol.unscopables]
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---*/
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var x = 0;
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var env = {};
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var callCount = 0;
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Object.defineProperty(env, 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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with (env) {
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void x;
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}
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assert.sameValue(callCount, 0);
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