spread-mult-expr.js (1571B)
1 // This file was procedurally generated from the following sources: 2 // - src/spread/mult-expr.case 3 // - src/spread/default/member-expr.template 4 /*--- 5 description: Spread operator applied to AssignmentExpression following other elements (`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 : ArgumentList , ... AssignmentExpression 23 24 1. Let precedingArgs be the result of evaluating ArgumentList. 25 2. Let spreadRef be the result of evaluating AssignmentExpression. 26 3. Let iterator be GetIterator(GetValue(spreadRef) ). 27 4. ReturnIfAbrupt(iterator). 28 5. Repeat 29 a. Let next be IteratorStep(iterator). 30 b. ReturnIfAbrupt(next). 31 c. If next is false, return precedingArgs. 32 ---*/ 33 var source = [3, 4, 5]; 34 var target; 35 36 var callCount = 0; 37 38 new function() { 39 assert.sameValue(arguments.length, 5); 40 assert.sameValue(arguments[0], 1); 41 assert.sameValue(arguments[1], 2); 42 assert.sameValue(arguments[2], 3); 43 assert.sameValue(arguments[3], 4); 44 assert.sameValue(arguments[4], 5); 45 assert.sameValue(target, source); 46 callCount += 1; 47 }(1, 2, ...target = source); 48 49 assert.sameValue(callCount, 1); 50 51 reportCompare(0, 0);