global-switch-case-eval-global-skip-early-err-for-of.js (1311B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/eval-global-skip-early-err-for-of.case 3 // - src/annex-b-fns/eval-global/direct-switch-case.template 4 /*--- 5 description: Extension not observed when creation of variable binding would produce an early error (for-of statement) (Function declaration in the `case` clause of a `switch` statement in eval code) 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 assert.throws(ReferenceError, function() { 18 f; 19 }, 'An initialized binding is not created prior to evaluation'); 20 assert.sameValue( 21 typeof f, 22 'undefined', 23 'An uninitialized binding is not created prior to evaluation' 24 ); 25 26 eval( 27 'for (let f of [0]) {switch (1) {' + 28 ' case 1:' + 29 ' function f() { }' + 30 '}\ 31 }' 32 ); 33 34 assert.throws(ReferenceError, function() { 35 f; 36 }, 'An initialized binding is not created following evaluation'); 37 assert.sameValue( 38 typeof f, 39 'undefined', 40 'An uninitialized binding is not created following evaluation' 41 ); 42 43 reportCompare(0, 0);