func-switch-dflt-eval-func-skip-early-err-for-in.js (1462B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/eval-func-skip-early-err-for-in.case 3 // - src/annex-b-fns/eval-func/direct-switch-dflt.template 4 /*--- 5 description: Extension not observed when creation of variable binding would produce an early error (for-of statement) (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 info: | 9 B.3.3.3 Changes to EvalDeclarationInstantiation 10 11 [...] 12 ii. If replacing the FunctionDeclaration f with a VariableStatement that 13 has F as a BindingIdentifier would not produce any Early Errors for 14 body, then 15 [...] 16 ---*/ 17 18 (function() { 19 eval( 20 'assert.throws(ReferenceError, function() {\ 21 f;\ 22 }, "An initialized binding is not created prior to evaluation");\ 23 assert.sameValue(\ 24 typeof f,\ 25 "undefined",\ 26 "An uninitialized binding is not created prior to evaluation"\ 27 );\ 28 \ 29 for (let f in { key: 0 }) {switch (1) {' + 30 ' default:' + 31 ' function f() { }' + 32 '}\ 33 }\ 34 \ 35 assert.throws(ReferenceError, function() {\ 36 f;\ 37 }, "An initialized binding is not created following evaluation");\ 38 assert.sameValue(\ 39 typeof f,\ 40 "undefined",\ 41 "An uninitialized binding is not created following evaluation"\ 42 );' 43 ); 44 }()); 45 46 reportCompare(0, 0);