var-env-func-init-local-new.js (1329B)
1 // Copyright (C) 2016 the V8 project authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 /*--- 4 esid: sec-evaldeclarationinstantiation 5 description: Initialization of new local binding 6 info: | 7 [...] 8 15. For each production f in functionsToInitialize, do 9 a. Let fn be the sole element of the BoundNames of f. 10 b. Let fo be the result of performing InstantiateFunctionObject for f 11 with argument lexEnv. 12 c. If varEnvRec is a global Environment Record, then 13 [...] 14 d. Else, 15 i. Let bindingExists be varEnvRec.HasBinding(fn). 16 ii. If bindingExists is false, then 17 1. Let status be ! varEnvRec.CreateMutableBinding(fn, true). 18 2. Assert: status is not an abrupt completion because of 19 validation preceding step 12. 20 3. Perform ! varEnvRec.InitializeBinding(fn, fo). 21 [...] 22 flags: [noStrict] 23 ---*/ 24 25 var initial, postAssignment; 26 (function() { 27 eval('initial = f; f = 5; postAssignment = f; function f() { return 33; }'); 28 }()); 29 30 assert.sameValue(typeof initial, 'function'); 31 assert.sameValue(initial(), 33); 32 assert.sameValue(postAssignment, 5, 'binding is mutable'); 33 assert.throws(ReferenceError, function() { 34 f; 35 }); 36 37 reportCompare(0, 0);