spread-sngl-empty.js (1283B)
1 // This file was procedurally generated from the following sources: 2 // - src/spread/sngl-empty.case 3 // - src/spread/default/member-expr.template 4 /*--- 5 description: Spread operator applied to the only argument when no iteration occurs (`new` operator) 6 esid: sec-new-operator-runtime-semantics-evaluation 7 flags: [generated] 8 info: | 9 MemberExpression : new MemberExpression Arguments 10 11 1. Return EvaluateNew(MemberExpression, Arguments). 12 13 12.3.3.1.1 Runtime Semantics: EvaluateNew 14 15 6. If arguments is empty, let argList be an empty List. 16 7. Else, 17 a. Let argList be ArgumentListEvaluation of arguments. 18 [...] 19 20 12.3.6.1 Runtime Semantics: ArgumentListEvaluation 21 22 ArgumentList : ... AssignmentExpression 23 24 1. Let list be an empty List. 25 2. Let spreadRef be the result of evaluating AssignmentExpression. 26 3. Let spreadObj be GetValue(spreadRef). 27 4. Let iterator be GetIterator(spreadObj). 28 5. ReturnIfAbrupt(iterator). 29 6. Repeat 30 a. Let next be IteratorStep(iterator). 31 b. ReturnIfAbrupt(next). 32 c. If next is false, return list. 33 [...] 34 ---*/ 35 36 var callCount = 0; 37 38 new function() { 39 assert.sameValue(arguments.length, 0); 40 callCount += 1; 41 }(...[]); 42 43 assert.sameValue(callCount, 1); 44 45 reportCompare(0, 0);