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getset-001.js
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getset-001.js
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/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
function TestObject ()
{
/* A warm, dry place for properties and methods to live */
}
TestObject.prototype._y = "<initial y>";
Object.defineProperty(TestObject.prototype, "y",
{
enumerable: true, configurable: true,
get: function get_y ()
{
var rv;
if (typeof this._y == "string")
rv = "got " + this._y;
else
rv = this._y;
return rv;
},
set: function set_y (newVal) { this._y = newVal; }
});
test(new TestObject());
function test(t)
{
printStatus ("Basic Getter/ Setter test");
reportCompare ("<initial y>", t._y, "y prototype check");
reportCompare ("got <initial y>", t.y, "y getter, before set");
t.y = "new y";
reportCompare ("got new y", t.y, "y getter, after set");
t.y = 2;
reportCompare (2, t.y, "y getter, after numeric set");
var d = new Date();
t.y = d;
reportCompare (d, t.y, "y getter, after date set");
}