public void validaUserNameDominio()
{
var login = new Login(@"user@domain");
Assert.True(login.Domain == "domain");
Assert.True(login.UserName == "user");
Assert.True(login.ActiveDirectoryFormat == @"domain\user");
login = new Login(@"domain\user");
Assert.True(login.Domain == "domain");
Assert.True(login.UserName == "user");
Assert.True(login.EmailFormat == @"user@domain");
login = new Login(@"user");
Assert.True(login.Domain == null);
Assert.True(login.UserName == "user");
}