func-switch-dflt-eval-func-skip-early-err.js (1068B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/eval-func-skip-early-err.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 (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 var init, after; 18 19 (function() { 20 eval( 21 'let f = 123;\ 22 init = f;switch (1) {' + 23 ' default:' + 24 ' function f() { }' + 25 '}\ 26 after = f;' 27 ); 28 }()); 29 30 assert.sameValue(init, 123, 'binding is not initialized to `undefined`'); 31 assert.sameValue(after, 123, 'value is not updated following evaluation'); 32 33 reportCompare(0, 0);