dflt-params-abrupt.js (2044B)
1 // This file was procedurally generated from the following sources: 2 // - src/function-forms/dflt-params-abrupt.case 3 // - src/function-forms/error/gen-func-expr.template 4 /*--- 5 description: Abrupt completion returned by evaluation of initializer (generator function expression) 6 esid: sec-generator-function-definitions-runtime-semantics-evaluation 7 features: [default-parameters, generators] 8 flags: [generated] 9 info: | 10 GeneratorExpression : function * ( FormalParameters ) { GeneratorBody } 11 12 [...] 13 3. Let closure be GeneratorFunctionCreate(Normal, FormalParameters, 14 GeneratorBody, scope, strict). 15 [...] 16 17 9.2.1 [[Call]] ( thisArgument, argumentsList) 18 19 [...] 20 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). 21 [...] 22 23 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 24 25 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). 26 [...] 27 28 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) 29 30 [...] 31 23. Let iteratorRecord be Record {[[iterator]]: 32 CreateListIterator(argumentsList), [[done]]: false}. 33 24. If hasDuplicates is true, then 34 [...] 35 25. Else, 36 b. Let formalStatus be IteratorBindingInitialization for formals with 37 iteratorRecord and env as arguments. 38 [...] 39 40 41 14.1.19 Runtime Semantics: IteratorBindingInitialization 42 43 FormalsList : FormalsList , FormalParameter 44 45 1. Let status be the result of performing IteratorBindingInitialization for 46 FormalsList using iteratorRecord and environment as the arguments. 47 2. ReturnIfAbrupt(status). 48 3. Return the result of performing IteratorBindingInitialization for 49 FormalParameter using iteratorRecord and environment as the arguments. 50 51 ---*/ 52 53 var callCount = 0; 54 var f; 55 f = function*(_ = (function() { throw new Test262Error(); }())) { 56 57 callCount = callCount + 1; 58 }; 59 60 assert.throws(Test262Error, function() { 61 f(); 62 }); 63 assert.sameValue(callCount, 0, 'generator function body not evaluated'); 64 65 reportCompare(0, 0);