Int32 DisplayPhone(string MakeFilter)
{
Int32 PhoneID; //Var to store the primary key
String Make; //Var to store the Make
String Model; //Var to store the Model
clsPhoneCollection MakeSearch = new clsPhoneCollection(); //Create an instance of the phone book class
MakeSearch.ReportByMake(MakeFilter); //invoke the phone make filter
Int32 RecordCount; //Var to store the count of records
Int32 Index = 0; //Var to store the index for the loop
RecordCount = MakeSearch.Count; //get the count of records
lstPhones.Items.Clear(); //clear the list box
while (Index < RecordCount) //While there are records to process
{
PhoneID = MakeSearch.PhoneList[Index].PhoneID; //get primary key
Make = MakeSearch.PhoneList[Index].Make; //get Make
Model = MakeSearch.PhoneList[Index].Model; //get Model
//create a new entry for the list box
ListItem NewEntry = new ListItem(Make + " " + Model, PhoneID.ToString());
lstPhones.Items.Add(NewEntry);
Index++;
}
return(RecordCount); //return the count of records found
}
public void ReportByMakeTestDataFound()
//Report By Make Test Data Found Method
{
//create an instance of the filtered data
clsPhoneCollection FilteredPhones = new clsPhoneCollection();
//var to store outcome
Boolean OK = true;
//apply a make that does exist
FilteredPhones.ReportByMake("Nokia");
//check that the correct number of records are found
if (FilteredPhones.Count == 2)
{
//check that the first record id ID 36
if (FilteredPhones.PhoneList[0].PhoneID != 7)
{
OK = false;
}
//check that the first record is ID 37
if (FilteredPhones.PhoneList[1].PhoneID != 8)
{
OK = false;
}
}
else
{
OK = false;
}
//test to see that the two values are the same
Assert.IsTrue(OK);
}
public void ReportByMakeNoneFound()
//Report By Make None Found Method
{
//create an instance of the filtered data
clsPhoneCollection FilteredPhones = new clsPhoneCollection();
//apply a blank string (Should return all phones)
FilteredPhones.ReportByMake(" xxxx");
//test to see that the two values are the same
Assert.AreEqual(0, FilteredPhones.Count);
}
public void ReportByMakeMethodOK()
//Report By Make Method
{
//create an instance of the class containing unfiltered results
clsPhoneCollection AllPhones = new clsPhoneCollection();
//create an instance of the filtered data
clsPhoneCollection FilteredPhones = new clsPhoneCollection();
//apply a blank string (Should return all phones)
FilteredPhones.ReportByMake("");
//test to see that the two values are the same
Assert.AreEqual(AllPhones.Count, FilteredPhones.Count);
}
