public void Test1()
{
var foobar = new Expando();
foobar.Add("foo", "$bar");
Assert.AreEqual("foo = $bar", foobar.ToString());
var quux = new Expando();
quux.Add("qu", "ux");
Assert.AreEqual("qu = ux", quux.ToString());
// init
dynamic map = new Expando();
Assert.AreEqual("", map.ToString());
// binaryoperation
map += foobar;
map += quux;
Assert.AreEqual("foo = $bar, qu = ux", map.ToString());
// fallback to csharpbinder
map -= quux;
Assert.AreEqual("foo = $bar", map.ToString());
// convert
var s = (String)map;
Assert.AreEqual("foo = $bar", s);
// getindex
var bar = map["foo"];
Assert.AreEqual("$bar", bar);
// invoke, fallback to idynamicobject
map = map(bar: "bar");
Assert.AreEqual("foo = bar", map.ToString());
// setindex
map["two"] = 2;
Assert.AreEqual("foo = bar, two = 2", map.ToString());
map.Remove("two");
//invokemember
map["fn"] = ((Func <int, int, int>)((x, y) => x + y));
var z = map.fn(1, 2);
Assert.AreEqual(3, z);
// setmember
map.fn = "fn";
map.two = "2";
Assert.AreEqual("foo = bar, fn = fn, two = 2", map.ToString());
// unaryoperation
map = !map;
Assert.AreEqual("oof = bar, nf = fn, owt = 2", map.ToString());
}
public static Expando operator -(Expando e1, Expando e2)
{
e1 = e1 ?? new Expando();
e2 = e2 ?? new Expando();
var result = new Expando(e1);
e2.Keys.ForEach(k => result.Remove(k));
return(result);
}