call-spread-obj-getter-descriptor.js (1628B)
1 // This file was procedurally generated from the following sources: 2 // - src/spread/obj-getter-descriptor.case 3 // - src/spread/default/super-call.template 4 /*--- 5 description: Spread operation with getter results in data property descriptor (SuperCall) 6 esid: sec-super-keyword-runtime-semantics-evaluation 7 features: [object-spread] 8 flags: [generated] 9 includes: [propertyHelper.js] 10 info: | 11 SuperCall : super Arguments 12 13 1. Let newTarget be GetNewTarget(). 14 2. If newTarget is undefined, throw a ReferenceError exception. 15 3. Let func be GetSuperConstructor(). 16 4. ReturnIfAbrupt(func). 17 5. Let argList be ArgumentListEvaluation of Arguments. 18 [...] 19 20 Pending Runtime Semantics: PropertyDefinitionEvaluation 21 22 PropertyDefinition:...AssignmentExpression 23 24 1. Let exprValue be the result of evaluating AssignmentExpression. 25 2. Let fromValue be GetValue(exprValue). 26 3. ReturnIfAbrupt(fromValue). 27 4. Let excludedNames be a new empty List. 28 5. Return CopyDataProperties(object, fromValue, excludedNames). 29 30 ---*/ 31 let o = { 32 get a() { 33 return 42; 34 } 35 }; 36 37 38 var callCount = 0; 39 40 class Test262ParentClass { 41 constructor(obj) { 42 assert.sameValue(obj.c, 4); 43 assert.sameValue(obj.d, 5); 44 assert.sameValue(Object.keys(obj).length, 3); 45 46 verifyProperty(obj, "a", { 47 enumerable: true, 48 writable: true, 49 configurable: true, 50 value: 42 51 }); 52 callCount += 1; 53 } 54 } 55 56 class Test262ChildClass extends Test262ParentClass { 57 constructor() { 58 super({...o, c: 4, d: 5}); 59 } 60 } 61 62 new Test262ChildClass(); 63 assert.sameValue(callCount, 1); 64 65 reportCompare(0, 0);