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784824895d
Closes #572 Introduce tests for new semantics for ES2015 features such as lexically-scoped bindings. Also add tests for semantics defined in prior editions of the specification but not yet covered in this test suite.
34 lines
809 B
JavaScript
34 lines
809 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-performeval
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description: >
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Direct eval code creates a new declarative environment for lexically-scoped
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declarations (let)
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info: |
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[...]
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9. If direct is true, then
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a. Let lexEnv be NewDeclarativeEnvironment(ctx's LexicalEnvironment).
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[...]
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features: [let]
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---*/
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let outside = 23;
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eval('let outside;');
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eval('"use strict"; let outside;');
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eval('let xNonStrict = 3;');
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assert.sameValue(typeof xNonStrict, 'undefined');
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assert.throws(ReferenceError, function() {
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xNonStrict;
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});
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eval('"use strict"; let xStrict = 3;');
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assert.sameValue(typeof xStrict, 'undefined');
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assert.throws(ReferenceError, function() {
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xStrict;
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});
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