public void TestClearUnknownArguments_ExistingArgs() {
MethodDeclarationNode mdn = new MethodDeclarationNode("MyMethod");
Node[] args = new Node[] { new TypeNode("int", true), new VariableDeclarationNode("bar") };
mdn.AddUnknownArguments(args);
Assert.AreEqual(2, mdn.UnknownArguments.Count);
mdn.ClearUnknownArguments();
Assert.AreEqual(0, mdn.UnknownArguments.Count);
}