spread-obj-mult-spread.js (1359B)
1 // This file was procedurally generated from the following sources: 2 // - src/spread/obj-mult-spread.case 3 // - src/spread/default/member-expr.template 4 /*--- 5 description: Multiple Object Spread operation (`new` operator) 6 esid: sec-new-operator-runtime-semantics-evaluation 7 features: [object-spread] 8 flags: [generated] 9 info: | 10 MemberExpression : new MemberExpression Arguments 11 12 1. Return EvaluateNew(MemberExpression, Arguments). 13 14 12.3.3.1.1 Runtime Semantics: EvaluateNew 15 16 6. If arguments is empty, let argList be an empty List. 17 7. Else, 18 a. Let argList be ArgumentListEvaluation of arguments. 19 [...] 20 21 Pending Runtime Semantics: PropertyDefinitionEvaluation 22 23 PropertyDefinition:...AssignmentExpression 24 25 1. Let exprValue be the result of evaluating AssignmentExpression. 26 2. Let fromValue be GetValue(exprValue). 27 3. ReturnIfAbrupt(fromValue). 28 4. Let excludedNames be a new empty List. 29 5. Return CopyDataProperties(object, fromValue, excludedNames). 30 31 ---*/ 32 33 let o = {a: 2, b: 3}; 34 let o2 = {c: 4, d: 5}; 35 36 37 var callCount = 0; 38 39 new function(obj) { 40 assert.sameValue(obj.a, 2); 41 assert.sameValue(obj.b, 3); 42 assert.sameValue(obj.c, 4); 43 assert.sameValue(obj.d, 5); 44 assert.sameValue(Object.keys(obj).length, 4); 45 callCount += 1; 46 }({...o, ...o2}); 47 48 assert.sameValue(callCount, 1); 49 50 reportCompare(0, 0);