func-if-decl-else-stmt-eval-func-skip-early-err-block.js (1863B)
1 // This file was procedurally generated from the following sources: 2 // - src/annex-b-fns/eval-func-skip-early-err-block.case 3 // - src/annex-b-fns/eval-func/direct-if-decl-else-stmt.template 4 /*--- 5 description: Extension not observed when creation of variable binding would produce an early error (Block statement) (IfStatement with a declaration in the first statement position in eval code) 6 esid: sec-functiondeclarations-in-ifstatement-statement-clauses 7 flags: [generated, noStrict] 8 info: | 9 The following rules for IfStatement augment those in 13.6: 10 11 IfStatement[Yield, Return]: 12 if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return] 13 if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield] 14 if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield] 15 if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] 16 17 18 B.3.3.3 Changes to EvalDeclarationInstantiation 19 20 [...] 21 ii. If replacing the FunctionDeclaration f with a VariableStatement that 22 has F as a BindingIdentifier would not produce any Early Errors for 23 body, then 24 [...] 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 {\ 39 let f = 123;if (true) function f() { } else ;}\ 40 \ 41 assert.throws(ReferenceError, function() {\ 42 f;\ 43 }, "An initialized binding is not created following evaluation");\ 44 assert.sameValue(\ 45 typeof f,\ 46 "undefined",\ 47 "An uninitialized binding is not created following evaluation"\ 48 );' 49 ); 50 }()); 51 52 reportCompare(0, 0);