// This file was procedurally generated from the following sources: // - src/spread/obj-spread-order.case // - src/spread/default/array.template /*--- description: Spread operation follows [[OwnPropertyKeys]] order (Array initializer) esid: sec-runtime-semantics-arrayaccumulation features: [Symbol, object-spread] flags: [generated] includes: [compareArray.js] info: | SpreadElement : ...AssignmentExpression 1. Let spreadRef be the result of evaluating AssignmentExpression. 2. Let spreadObj be ? GetValue(spreadRef). 3. Let iterator be ? GetIterator(spreadObj). 4. Repeat a. Let next be ? IteratorStep(iterator). b. If next is false, return nextIndex. c. Let nextValue be ? IteratorValue(next). d. Let status be CreateDataProperty(array, ToString(ToUint32(nextIndex)), nextValue). e. Assert: status is true. f. Let nextIndex be nextIndex + 1. Pending Runtime Semantics: PropertyDefinitionEvaluation PropertyDefinition:...AssignmentExpression 1. Let exprValue be the result of evaluating AssignmentExpression. 2. Let fromValue be GetValue(exprValue). 3. ReturnIfAbrupt(fromValue). 4. Let excludedNames be a new empty List. 5. Return CopyDataProperties(object, fromValue, excludedNames). ---*/ var calls = []; var o = { get z() { calls.push('z') }, get a() { calls.push('a') } }; Object.defineProperty(o, 1, { get: () => { calls.push(1) }, enumerable: true }); Object.defineProperty(o, Symbol('foo'), { get: () => { calls.push("Symbol(foo)") }, enumerable: true }); var callCount = 0; (function(obj) { assert.compareArray(calls, [1, 'z', 'a', "Symbol(foo)"]); assert.sameValue(Object.keys(obj).length, 3); callCount += 1; }.apply(null, [{...o}])); assert.sameValue(callCount, 1);