| // This file was procedurally generated from the following sources: |
| // - src/spread/mult-err-itr-step.case |
| // - src/spread/error/member-expr.template |
| /*--- |
| description: Spread operator following other arguments when IteratorStep fails (`new` operator) |
| esid: sec-new-operator-runtime-semantics-evaluation |
| features: [Symbol.iterator] |
| flags: [generated] |
| info: | |
| MemberExpression : new MemberExpression Arguments |
| |
| 1. Return EvaluateNew(MemberExpression, Arguments). |
| |
| 12.3.3.1.1 Runtime Semantics: EvaluateNew |
| |
| 6. If arguments is empty, let argList be an empty List. |
| 7. Else, |
| a. Let argList be ArgumentListEvaluation of arguments. |
| [...] |
| |
| 12.3.6.1 Runtime Semantics: ArgumentListEvaluation |
| |
| ArgumentList : ArgumentList , ... AssignmentExpression |
| |
| 1. Let precedingArgs be the result of evaluating ArgumentList. |
| 2. Let spreadRef be the result of evaluating AssignmentExpression. |
| 3. Let iterator be GetIterator(GetValue(spreadRef) ). |
| 4. ReturnIfAbrupt(iterator). |
| |
| 7.4.5 IteratorStep ( iterator ) |
| |
| 1. Let result be IteratorNext(iterator). |
| 2. ReturnIfAbrupt(result). |
| |
| 7.4.2 IteratorNext ( iterator, value ) |
| |
| 1. If value was not passed, then |
| a. Let result be Invoke(iterator, "next", « »). |
| [...] |
| 3. ReturnIfAbrupt(result). |
| ---*/ |
| var iter = {}; |
| iter[Symbol.iterator] = function() { |
| return { |
| next: function() { |
| throw new Test262Error(); |
| } |
| }; |
| }; |
| |
| assert.throws(Test262Error, function() { |
| new function() {}(0, ...iter); |
| }); |