public void ValidMethodOK()
{
//create an instace of the class
clsProducts AProduct = new clsProducts();
//string variable to store error message
String Error = "";
//invoke the method
Error = AProduct.Valid(ProductID, ProductName, Price, Quantity);
//test if result is correct
Assert.AreEqual(Error, "");
}
public void QuantityMid()
{
//create an instace of the class
clsProducts AProduct = new clsProducts();
//string variable to store error
string Error = "";
//create test data to pass to the method
string Quantity = "111"; //this will pass
//invoke the method
Error = AProduct.Valid(ProductID, ProductName, Price, Quantity);
//test if result is correct
Assert.AreEqual(Error, "");
}
public void ProductIDMinMinusOne()
{
//create an instace of the class
clsProducts AProduct = new clsProducts();
//string variable to store error message
String Error = "";
//create test data to pass to method
string ProductID = ""; //this will trigger error
//invoke the method
Error = AProduct.Valid(ProductID, ProductName, Price, Quantity);
//test if result is correct
Assert.AreNotEqual(Error, "");
}
public void QuantityExtremeMax()
{
//create an instace of the class
clsProducts AProduct = new clsProducts();
//string variable to store error
string Error = "";
//create test data to pass to the method
string Quantity = ""; //this will fail
Quantity = Quantity.PadRight(500, '1');
//invoke the method
Error = AProduct.Valid(ProductID, ProductName, Price, Quantity);
//test if result is correct
Assert.AreNotEqual(Error, "");
}
public void ProductNameMaxMinusOne()
{
//create an instace of the class
clsProducts AProduct = new clsProducts();
//string variable to store error
string Error = "";
//create test data to pass to the method
string ProductName = ""; //this will pass
ProductName = ProductName.PadRight(19, 'a');
//invoke the method
Error = AProduct.Valid(ProductID, ProductName, Price, Quantity);
//test if result is correct
Assert.AreEqual(Error, "");
}