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 e)
{
if (e == null)
{
return(null);
}
var result = new Expando();
e.Keys.ForEach(k => result.Add(new String(k.Reverse().ToArray()), e[k]));
return(result);
}
public static Expando operator +(Expando e1, Expando e2)
{
if (e1 == null && e2 == null)
{
return(null);
}
e1 = e1 ?? new Expando();
e2 = e2 ?? new Expando();
var result = new Expando(e1);
e2.Keys.ForEach(k => result.Add(k, e2[k]));
return(result);
}
public Object Invoke(InvokeBinder binder, Object[] args)
{
var map = args.ToDictionary((arg, i) => binder.CallInfo.ArgumentNames[i], arg => arg);
var result = new Expando();
this.Keys.ForEach(k =>
{
var v = this[k];
var s = (v as String).Extract(@"^\$(?<key>.*)$");
if (s != null && map.ContainsKey(s))
{
v = map[s];
}
result.Add(k, v);
});
return(result);
}