switch-dflt-global-no-skip-try.js (1456B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/global-no-skip-try.case 3 // - src/annex-b-fns/global/switch-dflt.template 4 /*--- 5 description: Extension is observed when creation of variable binding would not produce an early error (try statement) (Funtion declaration in the `default` clause of a `switch` statement in the global scope) 6 esid: sec-web-compat-globaldeclarationinstantiation 7 flags: [generated, noStrict] 8 info: | 9 B.3.3.2 Changes to GlobalDeclarationInstantiation 10 11 [...] 12 b. If replacing the FunctionDeclaration f with a VariableStatement that has 13 F as a BindingIdentifier would not produce any Early Errors for script, 14 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 assert.sameValue( 27 f, undefined, 'Initialized binding created prior to evaluation' 28 ); 29 30 try { 31 throw null; 32 } catch (f) { 33 34 switch (1) { 35 default: 36 function f() { return 123; } 37 } 38 39 } 40 41 assert.sameValue( 42 typeof f, 43 'function', 44 'binding value is updated following evaluation' 45 ); 46 assert.sameValue(f(), 123); 47 48 reportCompare(0, 0);