call-spread-obj-symbol-property.js (1608B)
1 // This file was procedurally generated from the following sources: 2 // - src/spread/obj-symbol-property.case 3 // - src/spread/default/super-call.template 4 /*--- 5 description: Spread operation where source object contains Symbol properties (SuperCall) 6 esid: sec-super-keyword-runtime-semantics-evaluation 7 features: [Symbol, object-spread] 8 flags: [generated] 9 info: | 10 SuperCall : super Arguments 11 12 1. Let newTarget be GetNewTarget(). 13 2. If newTarget is undefined, throw a ReferenceError exception. 14 3. Let func be GetSuperConstructor(). 15 4. ReturnIfAbrupt(func). 16 5. Let argList be ArgumentListEvaluation of Arguments. 17 [...] 18 19 Pending Runtime Semantics: PropertyDefinitionEvaluation 20 21 PropertyDefinition:...AssignmentExpression 22 23 1. Let exprValue be the result of evaluating AssignmentExpression. 24 2. Let fromValue be GetValue(exprValue). 25 3. ReturnIfAbrupt(fromValue). 26 4. Let excludedNames be a new empty List. 27 5. Return CopyDataProperties(object, fromValue, excludedNames). 28 29 ---*/ 30 let symbol = Symbol('foo'); 31 let o = {}; 32 o[symbol] = 1; 33 34 35 var callCount = 0; 36 37 class Test262ParentClass { 38 constructor(obj) { 39 assert.sameValue(obj[symbol], 1); 40 assert(Object.prototype.hasOwnProperty.call(obj, symbol), "symbol is an own property"); 41 assert.sameValue(obj.c, 4); 42 assert.sameValue(obj.d, 5); 43 assert.sameValue(Object.keys(obj).length, 2); 44 callCount += 1; 45 } 46 } 47 48 class Test262ChildClass extends Test262ParentClass { 49 constructor() { 50 super({...o, c: 4, d: 5}); 51 } 52 } 53 54 new Test262ChildClass(); 55 assert.sameValue(callCount, 1); 56 57 reportCompare(0, 0);