spread-obj-getter-descriptor.js (1494B)
1 // This file was procedurally generated from the following sources: 2 // - src/spread/obj-getter-descriptor.case 3 // - src/spread/default/member-expr.template 4 /*--- 5 description: Spread operation with getter results in data property descriptor (`new` operator) 6 esid: sec-new-operator-runtime-semantics-evaluation 7 features: [object-spread] 8 flags: [generated] 9 includes: [propertyHelper.js] 10 info: | 11 MemberExpression : new MemberExpression Arguments 12 13 1. Return EvaluateNew(MemberExpression, Arguments). 14 15 12.3.3.1.1 Runtime Semantics: EvaluateNew 16 17 6. If arguments is empty, let argList be an empty List. 18 7. Else, 19 a. Let argList be ArgumentListEvaluation of arguments. 20 [...] 21 22 Pending Runtime Semantics: PropertyDefinitionEvaluation 23 24 PropertyDefinition:...AssignmentExpression 25 26 1. Let exprValue be the result of evaluating AssignmentExpression. 27 2. Let fromValue be GetValue(exprValue). 28 3. ReturnIfAbrupt(fromValue). 29 4. Let excludedNames be a new empty List. 30 5. Return CopyDataProperties(object, fromValue, excludedNames). 31 32 ---*/ 33 let o = { 34 get a() { 35 return 42; 36 } 37 }; 38 39 40 var callCount = 0; 41 42 new function(obj) { 43 assert.sameValue(obj.c, 4); 44 assert.sameValue(obj.d, 5); 45 assert.sameValue(Object.keys(obj).length, 3); 46 47 verifyProperty(obj, "a", { 48 enumerable: true, 49 writable: true, 50 configurable: true, 51 value: 42 52 }); 53 callCount += 1; 54 }({...o, c: 4, d: 5}); 55 56 assert.sameValue(callCount, 1); 57 58 reportCompare(0, 0);