| // This file was procedurally generated from the following sources: |
| // - src/spread/sngl-err-itr-value.case |
| // - src/spread/error/super-call.template |
| /*--- |
| description: Spread operator applied to the only argument when IteratorValue fails (SuperCall) |
| esid: sec-super-keyword-runtime-semantics-evaluation |
| es6id: 12.3.5.1 |
| features: [Symbol.iterator] |
| flags: [generated] |
| info: | |
| SuperCall : super Arguments |
| |
| 1. Let newTarget be GetNewTarget(). |
| 2. If newTarget is undefined, throw a ReferenceError exception. |
| 3. Let func be GetSuperConstructor(). |
| 4. ReturnIfAbrupt(func). |
| 5. Let argList be ArgumentListEvaluation of Arguments. |
| [...] |
| |
| 12.3.6.1 Runtime Semantics: ArgumentListEvaluation |
| |
| ArgumentList : ... AssignmentExpression |
| |
| 1. Let list be an empty List. |
| 2. Let spreadRef be the result of evaluating AssignmentExpression. |
| 3. Let spreadObj be GetValue(spreadRef). |
| 4. Let iterator be GetIterator(spreadObj). |
| 5. ReturnIfAbrupt(iterator). |
| 6. Repeat |
| a. Let next be IteratorStep(iterator). |
| b. ReturnIfAbrupt(next). |
| c. If next is false, return list. |
| d. Let nextArg be IteratorValue(next). |
| e. ReturnIfAbrupt(nextArg). |
| |
| 7.4.4 IteratorValue ( iterResult ) |
| |
| 1. Assert: Type(iterResult) is Object. |
| 2. Return Get(iterResult, "value"). |
| |
| 7.3.1 Get (O, P) |
| |
| [...] |
| 3. Return O.[[Get]](P, O). |
| ---*/ |
| var iter = {}; |
| var poisonedValue = Object.defineProperty({}, 'value', { |
| get: function() { |
| throw new Test262Error(); |
| } |
| }); |
| iter[Symbol.iterator] = function() { |
| return { |
| next: function() { |
| return poisonedValue; |
| } |
| }; |
| }; |
| |
| class Test262ParentClass { |
| constructor() {} |
| } |
| |
| class Test262ChildClass extends Test262ParentClass { |
| constructor() { |
| super(...iter); |
| } |
| } |
| |
| assert.throws(Test262Error, function() { |
| new Test262ChildClass(); |
| }); |