public void PrototypeFun()
{
dynamic s = JS.cs.NewString("hello");
dynamic thing = new JSObject();
thing.Prototype.bizbuzz = new Func<string, string>((name) => "hello, " + name);
s.Prototype.foobar = new Func<bool>(() => true); // Check it doesn't inadvertantly set ALL Prototypes from root object to have foobar
// bizbuzz method available on all objects
Assert.AreEqual("hello, tony", s.bizbuzz("tony"));
Assert.AreEqual("hello, tony", thing.bizbuzz("tony"));
// foobar set oon string prototype, but not exposed to object
Assert.IsTrue(s.foobar());
Assert.IsFalse(thing.foobar); // Feature detection -- not set on object prototype
Assert.AreEqual(3, thing.Count); //foobar should not show up on JSObject's prototype....
Assert.AreEqual(4, s.Count); // foobar and bizbuzz are available to previously created string instances
// Create new string prototype and set it
dynamic newPrototype = new JSObject();
newPrototype.skunkWorks = "skunky!";
s.SetPrototype(newPrototype); // skunkWorks now available on string
Assert.AreEqual(3, thing.Count); // Updating string's prototype shouldn't mess with Object
Assert.IsFalse(thing.skunkWorks); // Feature detection - make sure skunkWorks not on object
Assert.AreEqual(4, s.Count); // toString, valueOf, skunkWorks, and bizbuzz (no foobar)
Assert.AreEqual("skunky!", s.skunkWorks); // Can access it through string instance previously created
Assert.IsFalse(s.foobar); // Feature detection - since prototype was changed, no longer there!
}
