public void TestElementAt()
{
int actual = ElementOperators.ElementAt();
int expected = 8;
Assert.AreEqual(actual, expected, "You failed!");
}
public void TestFirstOrDefault02()
{
Product actual = ElementOperators.FirstOrDefault02();
Product expected = null;
Assert.AreEqual(actual, expected, "You failed!");
}
public void TestFirstOrDefault01()
{
int actual = ElementOperators.FirstOrDefault01();
int expected = 0;
Assert.AreEqual(actual, expected, "You failed!");
}
public void TestFirst02()
{
string actual = ElementOperators.First02();
string expected = "one";
Assert.AreEqual(actual, expected, "You failed!");
}
public void TestFirst01()
{
Product actual = ElementOperators.First01();
Product expected = new Product {
ProductID = 16, ProductName = "Pavlova", Category = "Confections", UnitPrice = 17.4500M, UnitsInStock = 29
};
Assert.AreEqual(actual, expected, "You failed!");
}
private static void Main()
{
var program = new Program();
string cki;
do
{
program.DisplayMenu();
cki = Console.ReadLine();
switch (cki)
{
case "1":
var restrictionOperators = new RestrictionOperators();
restrictionOperators.RunRestrictionOperators();
break;
case "2":
var projectionsOperators = new ProjectionsOperators();
projectionsOperators.RunProjectionsOperators();
break;
case "3":
var partitioningOperators = new PartitioningOperators();
partitioningOperators.RunPartitioningOperators();
break;
case "4":
var orderingOperators = new OrderingOperators();
orderingOperators.RunOrderingOperators();
break;
case "5":
var groupingOperators = new GroupingOperators();
groupingOperators.RunGroupingOperators();
break;
case "6":
var setsOperators = new SetsOperators();
setsOperators.RunSetsOperators();
break;
case "7":
var conversionsOperators = new ConversionOperators();
conversionsOperators.RunConversionsOperators();
break;
case "8":
var elementsOperators = new ElementOperators();
elementsOperators.RunElementsOperators();
break;
case "9":
var generationsOperators = new GenerationOperators();
generationsOperators.RunGenerationsOperations();
break;
case "10":
var quantifiersOperators = new QuantifierOperators();
quantifiersOperators.RunQuantifiersOperators();
break;
case "11":
var aggregatesOperators = new AggregateOperators();
aggregatesOperators.RunAggregatesOperators();
break;
case "12":
var miscellaneousOperators = new MiscellaneousOperators();
miscellaneousOperators.RunMiscellaneousOperators();
break;
case "13":
var queryExecutionOperators = new QueryExecutionOperators();
queryExecutionOperators.RunQueryExecutionsOperators();
break;
case "14":
var joinOperators = new JoinOperators();
joinOperators.RunJoinsOperators();
break;
default:
Console.WriteLine(cki == "Esc"
? "\nQuitting ..."
: "\nNo such choice in the list\n");
break;
}
} while (cki != "Esc");
Console.ReadKey();
}
public void Initialize()
{
_elementOperators = new ElementOperators();
}
