public void CanCreateNetwork()
{
NetworkBuilder builder = new NetworkBuilder();
builder.CopyFrom(Network.Main);
builder.SetName(null);
Assert.Throws <InvalidOperationException>(() => builder.BuildAndRegister());
builder.SetName("new");
builder.AddAlias("newalias");
var network = builder.BuildAndRegister();
Assert.Throws <InvalidOperationException>(() => builder.BuildAndRegister());
Assert.Equal(network, Network.GetNetwork("new"));
Assert.Equal(network, Network.GetNetwork("newalias"));
CanGetNetworkFromName();
Assert.True(Network.GetNetworks().Contains(network));
}