public void CoockieParser_Test() { //Arange const string coockieData = "1,TestRole"; var parser = new CookieParser(); var indentity = new FormsIdentity( new FormsAuthenticationTicket( 1, "TestLogin", new DateTime(1, 1, 1), new DateTime(1, 1, 1), false, coockieData)); var badIdentity = new FormsIdentity( new FormsAuthenticationTicket( 1, "Test", new DateTime(1, 1, 1), new DateTime(1, 1, 1), false, "someBadCoockieData")); //Act var actualId = parser.GetUserId(indentity); var actualRoleName = parser.GetUserRoleName(indentity); var actualLogin = parser.GetUserLogin(indentity); //Assert Assert.Throws <ArgumentNullException>(() => parser.GetUserId(null)); Assert.Throws <ArgumentNullException>(() => parser.GetUserRoleName(null)); Assert.That(actualId == 1); Assert.That(actualRoleName == "TestRole"); Assert.That(actualLogin == "TestLogin"); Assert.Throws <CookieParserException>(() => parser.GetUserId(badIdentity)); Assert.Throws <CookieParserException>(() => parser.GetUserRoleName(badIdentity)); }