spread-obj-manipulate-outter-obj-in-getter.js (1496B)
1 // This file was procedurally generated from the following sources: 2 // - src/spread/obj-manipulate-outter-obj-in-getter.case 3 // - src/spread/default/call-expr.template 4 /*--- 5 description: Getter manipulates outter object before it's spread operation (CallExpression) 6 esid: sec-function-calls-runtime-semantics-evaluation 7 features: [object-spread] 8 flags: [generated] 9 info: | 10 CallExpression : MemberExpression Arguments 11 12 [...] 13 9. Return EvaluateDirectCall(func, thisValue, Arguments, tailCall). 14 15 12.3.4.3 Runtime Semantics: EvaluateDirectCall 16 17 1. Let argList be ArgumentListEvaluation(arguments). 18 [...] 19 6. Let result be Call(func, thisValue, argList). 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 var o = { a: 0, b: 1 }; 34 var cthulhu = { get x() { 35 delete o.a; 36 o.b = 42; 37 o.c = "ni"; 38 }}; 39 40 var callCount = 0; 41 42 (function(obj) { 43 assert.sameValue(obj.hasOwnProperty("a"), false); 44 assert.sameValue(obj.b, 42); 45 assert.sameValue(obj.c, "ni"); 46 assert(obj.hasOwnProperty("x")); 47 assert.sameValue(Object.keys(obj).length, 3); 48 callCount += 1; 49 }({...cthulhu, ...o})); 50 51 assert.sameValue(callCount, 1); 52 53 reportCompare(0, 0);