// Copyright (C) 2017 Caio Lima. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- desc: Getter manipulates outter object before it's spread operation template: default esid: pending info: | 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). features: [object-spread] ---*/ //- setup var o = { a: 0, b: 1 }; var cthulhu = { get x() { delete o.a; o.b = 42; o.c = "ni"; }}; //- args {...cthulhu, ...o} //- params obj //- body assert.sameValue(obj.hasOwnProperty("a"), false); assert.sameValue(obj.b, 42); assert.sameValue(obj.c, "ni"); assert(obj.hasOwnProperty("x")); assert.sameValue(Object.keys(obj).length, 3);