public void NonFrozen_return_new_obj()
{
var user = Sigo.Create(3,
"name", Sigo.Create(3,
"first", "Phat",
"last", "Dam"),
"frozen", Sigo.Create(0, "k", "v").Freeze()
);
SigoAssert.False(user.IsFrozen());
SigoAssert.False(user.Get("name").IsFrozen());
SigoAssert.True(user.Get("frozen").IsFrozen());
var clone = user.Clone();
SigoAssert.NotSame(user, clone);
SigoAssert.NotSame(user.Get("name"), clone.Get("name"));
SigoAssert.Same(user.Get("frozen"), clone.Get("frozen"));
}