eval-var-scope-syntax-err.js (1221B)
1 // This file was procedurally generated from the following sources: 2 // - src/function-forms/eval-var-scope-syntax-err.case 3 // - src/function-forms/error-no-strict/async-gen-func-expr.template 4 /*--- 5 description: sloppy direct eval in params introduces var (async generator function expression in sloppy code) 6 esid: sec-asyncgenerator-definitions-evaluation 7 features: [default-parameters, async-iteration] 8 flags: [generated, noStrict] 9 info: | 10 AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) { 11 AsyncGeneratorBody } 12 13 [...] 14 3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, 15 AsyncGeneratorBody, scope, strict). 16 [...] 17 18 19 20 Runtime Semantics: IteratorBindingInitialization 21 FormalParameter : BindingElement 22 23 1. Return the result of performing IteratorBindingInitialization for BindingElement with arguments iteratorRecord and environment. 24 25 ---*/ 26 27 28 var callCount = 0; 29 var f; 30 f = async function*(a = eval("var a = 42")) { 31 32 callCount = callCount + 1; 33 }; 34 35 assert.throws(SyntaxError, function() { 36 f(); 37 }); 38 assert.sameValue(callCount, 0, 'generator function body not evaluated'); 39 40 reportCompare(0, 0);