global-switch-dflt-eval-global-existing-non-enumerable-global-init.js (1435B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/eval-global-existing-non-enumerable-global-init.case 3 // - src/annex-b-fns/eval-global/direct-switch-dflt.template 4 /*--- 5 description: Variable binding is left in place by legacy function hoisting. CreateGlobalVariableBinding leaves the binding as non-enumerable even if it has the chance to change it to be enumerable. (Funtion declaration in the `default` clause of a `switch` statement in eval code in the global scope) 6 esid: sec-web-compat-evaldeclarationinstantiation 7 flags: [generated, noStrict] 8 includes: [fnGlobalObject.js, propertyHelper.js] 9 info: | 10 B.3.3.3 Changes to EvalDeclarationInstantiation 11 12 [...] 13 i. If varEnvRec is a global Environment Record, then 14 i. Perform ? varEnvRec.CreateGlobalVarBinding(F, true). 15 [...] 16 17 ---*/ 18 Object.defineProperty(fnGlobalObject(), 'f', { 19 value: 'x', 20 enumerable: false, 21 writable: true, 22 configurable: true 23 }); 24 25 eval( 26 'var global = fnGlobalObject();\ 27 assert.sameValue(f, "x", "binding is not reinitialized");\ 28 \ 29 verifyProperty(global, "f", {\ 30 enumerable: false,\ 31 writable: true,\ 32 configurable: true\ 33 }, { restore: true });switch (1) {' + 34 ' default:' + 35 ' function f() { }' + 36 '}\ 37 ' 38 ); 39 40 assert.sameValue(typeof f, "function"); 41 verifyProperty(global, 'f', { 42 enumerable: false, 43 writable: true, 44 configurable: true 45 }); 46 47 reportCompare(0, 0);