| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-performeval |
| description: > |
| Indirect eval code creates a new declarative environment for |
| lexically-scoped declarations (let) |
| info: | |
| [...] |
| 9. If direct is true, then |
| [...] |
| 10. Else, |
| a. Let lexEnv be NewDeclarativeEnvironment(evalRealm.[[GlobalEnv]]). |
| [...] |
| features: [let] |
| ---*/ |
| |
| let outside = 23; |
| |
| (0,eval)('let outside;'); |
| (0,eval)('"use strict"; let outside;'); |
| |
| (0,eval)('let xNonStrict = 3;'); |
| |
| assert.sameValue(typeof xNonStrict, 'undefined'); |
| assert.throws(ReferenceError, function() { |
| xNonStrict; |
| }); |
| |
| (0,eval)('"use strict"; let xStrict = 3;'); |
| |
| assert.sameValue(typeof xStrict, 'undefined'); |
| assert.throws(ReferenceError, function() { |
| xStrict; |
| }); |