func-switch-case-eval-func-skip-early-err-try.js (1860B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/eval-func-skip-early-err-try.case 3 // - src/annex-b-fns/eval-func/direct-switch-case.template 4 /*--- 5 description: Extension is not observed when creation of variable binding would produce an early error (try 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 B.3.5 VariableStatements in Catch Blocks 18 19 [...] 20 - It is a Syntax Error if any element of the BoundNames of CatchParameter 21 also occurs in the VarDeclaredNames of Block unless CatchParameter is 22 CatchParameter:BindingIdentifier and that element is only bound by a 23 VariableStatement, the VariableDeclarationList of a for statement, or the 24 ForBinding of a for-in statement. 25 ---*/ 26 27 (function() { 28 eval( 29 'assert.throws(ReferenceError, function() {\ 30 f;\ 31 }, "An initialized binding is not created prior to evaluation");\ 32 assert.sameValue(\ 33 typeof f,\ 34 "undefined",\ 35 "An uninitialized binding is not created prior to evaluation"\ 36 );\ 37 \ 38 try {\ 39 throw {};\ 40 } catch ({ f }) {switch (1) {' + 41 ' case 1:' + 42 ' function f() { }' + 43 '}\ 44 }\ 45 \ 46 assert.throws(ReferenceError, function() {\ 47 f;\ 48 }, "An initialized binding is not created following evaluation");\ 49 assert.sameValue(\ 50 typeof f,\ 51 "undefined",\ 52 "An uninitialized binding is not created following evaluation"\ 53 );' 54 ); 55 }()); 56 57 reportCompare(0, 0);