dflt-ary-init-iter-get-err.js (1645B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-init-iter-get-err.case 3 // - src/dstr-binding/error/arrow-function-dflt.template 4 /*--- 5 description: Abrupt completion returned by GetIterator (arrow function expression (default parameter)) 6 esid: sec-arrow-function-definitions-runtime-semantics-evaluation 7 features: [Symbol.iterator, destructuring-binding, default-parameters] 8 flags: [generated] 9 info: | 10 ArrowFunction : ArrowParameters => ConciseBody 11 12 [...] 13 4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, scope, strict). 14 [...] 15 16 9.2.1 [[Call]] ( thisArgument, argumentsList) 17 18 [...] 19 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). 20 [...] 21 22 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 23 24 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). 25 [...] 26 27 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) 28 29 [...] 30 23. Let iteratorRecord be Record {[[iterator]]: 31 CreateListIterator(argumentsList), [[done]]: false}. 32 24. If hasDuplicates is true, then 33 [...] 34 25. Else, 35 b. Let formalStatus be IteratorBindingInitialization for formals with 36 iteratorRecord and env as arguments. 37 [...] 38 39 13.3.3.5 Runtime Semantics: BindingInitialization 40 41 BindingPattern : ArrayBindingPattern 42 43 1. Let iterator be GetIterator(value). 44 2. ReturnIfAbrupt(iterator). 45 46 ---*/ 47 var iter = {}; 48 iter[Symbol.iterator] = function() { 49 throw new Test262Error(); 50 }; 51 52 var f = ([x] = iter) => {}; 53 54 assert.throws(Test262Error, function() { 55 f(); 56 }); 57 58 reportCompare(0, 0);