src/spread/obj-manipulate-outter-obj-in-getter.case

// 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);