call-spread-obj-spread-order.js (1693B)
1 // This file was procedurally generated from the following sources: 2 // - src/spread/obj-spread-order.case 3 // - src/spread/default/super-call.template 4 /*--- 5 description: Spread operation follows [[OwnPropertyKeys]] order (SuperCall) 6 esid: sec-super-keyword-runtime-semantics-evaluation 7 features: [Symbol, object-spread] 8 flags: [generated] 9 includes: [compareArray.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 var calls = []; 32 var o = { get z() { calls.push('z') }, get a() { calls.push('a') } }; 33 Object.defineProperty(o, 1, { get: () => { calls.push(1) }, enumerable: true }); 34 Object.defineProperty(o, Symbol('foo'), { get: () => { calls.push("Symbol(foo)") }, enumerable: true }); 35 36 37 var callCount = 0; 38 39 class Test262ParentClass { 40 constructor(obj) { 41 assert.compareArray(calls, [1, 'z', 'a', "Symbol(foo)"]); 42 assert.sameValue(Object.keys(obj).length, 3); 43 callCount += 1; 44 } 45 } 46 47 class Test262ChildClass extends Test262ParentClass { 48 constructor() { 49 super({...o}); 50 } 51 } 52 53 new Test262ChildClass(); 54 assert.sameValue(callCount, 1); 55 56 reportCompare(0, 0);