public void FilterBySurnameTestDataFound()
{
//create an instance of the filtered data
clsCustomerCollection FilteredCustomers = new clsCustomerCollection();
//var to store outcome
Boolean OK = true;
//apply a surname that doesn't exist
FilteredCustomers.FilterBySurname("ggg ggg");
//check that the correct number of records are found
if (FilteredCustomers.Count == 2)
{
//check that the first record is ID 3
if (FilteredCustomers.CustomerList[0].CustomerNo != 1)
{
OK = false;
}
//check that the first record is ID 4
if (FilteredCustomers.CustomerList[1].CustomerNo != 2)
{
OK = false;
}
}
else
{
OK = false;
}
//test to see that there are no records
Assert.IsTrue(OK);
}
public void FilterBySurnameNoneFound()
{
//create an instance of the filtered data
clsCustomerCollection FilteredCustomers = new clsCustomerCollection();
//apply a post code that doesn't exist
FilteredCustomers.FilterBySurname("a");
//test to see that there are no records
Assert.AreEqual(0, FilteredCustomers.Count);
}
public void FilterBySurnameMethodOK()
{
//create an instance of the class containing unfiltered results
clsCustomerCollection AllCustomers = new clsCustomerCollection();
//create an instance of the filtered data
clsCustomerCollection FilteredCustomers = new clsCustomerCollection();
//apply a blank string (should return all records);
FilteredCustomers.FilterBySurname("");
//test to see that the two values are the same
Assert.AreEqual(AllCustomers.Count, FilteredCustomers.Count);
}
// function to populate the list box
Int32 Displaycustomers(string CustomerFilter)
{
// create an instance of the staff collection class
clsCustomerCollection Customers = new clsCustomerCollection();
// var for record count
Int32 RecordCount;
// var for last name
string Surname;
//string for Email
string Email;
// var for Customer ID
string CustomerNo;
// var for Index
Int32 Index = 0;
// clear the list of any existing item
lstCustomers.Items.Clear();
// call the filter method by customer last name
Customers.FilterBySurname(CustomerFilter);
// get the count of records
RecordCount = Customers.Count;
// loop through each record found using the index
while (Index < RecordCount)
{
// get the last name of the customer
Surname = Convert.ToString(Customers.CustomerList[Index].Surname);
// get the email of the customer
Email = Convert.ToString(Customers.CustomerList[Index].Email);
// get the ID of the Customer
CustomerNo = Convert.ToString(Customers.CustomerList[Index].CustomerNo);
// set up a new object of class list item
ListItem NewItem = new ListItem(Surname + "," + Email, CustomerNo);
// add the item to the list
lstCustomers.Items.Add(NewItem);
// increment the index
Index++;
}
// return the number of records found
return(RecordCount);
}
