public void OneWhiteSpaceOnlyNumberTest()
{
var phoneNumber = "SDFD df12345678{";
Assert.IsFalse(PhoneNumberComparer.AreEqual(" ", phoneNumber, _serialComparer));
Assert.IsFalse(PhoneNumberComparer.AreEqual(" ", string.Empty, _regexComparer));
Assert.IsFalse(PhoneNumberComparer.AreEqual(phoneNumber, " ", _linqComparer));
}
public void ValidateIllegalNumbersTest()
{
// Exception of Argument out of Range will be thrown only in case both are at least Cosnts.Max_VALID_LENGTH
// Otherwise we know the numbers are different (number of digits is different)
var phoneNumber = "SDFD df1234567888888888888888888888888888888888888888{";
var phoneNumber2 = "332434444444444444444";
PhoneNumberComparer.AreEqual(phoneNumber, phoneNumber2, _regexComparer);
}
public void DifferentNumbersTest()
{
foreach (var pair in DifferentNumbers)
{
Assert.IsFalse(PhoneNumberComparer.AreEqual(pair.Item1, pair.Item2, _serialComparer));
Assert.IsFalse(PhoneNumberComparer.AreEqual(pair.Item1, pair.Item2, _regexComparer));
Assert.IsFalse(PhoneNumberComparer.AreEqual(pair.Item1, pair.Item2, _linqComparer));
}
}
public void EqualNumbersTest()
{
foreach (var pair in EqualNumbers)
{
Assert.IsTrue(PhoneNumberComparer.AreEqual(pair.Item1, pair.Item2, _linqComparer));
Assert.IsTrue(PhoneNumberComparer.AreEqual(pair.Item1, pair.Item2, _regexComparer));
Assert.IsTrue(PhoneNumberComparer.AreEqual(pair.Item1, pair.Item2, _serialComparer));
}
}
static void Main(string[] args)
{
Console.WriteLine("Welcome to Switchboard!");
Console.WriteLine($"Please note, input length is unlimited, while phone number should include less than '{Consts.MAX_VALID_LENGTH}' digits");
Console.WriteLine("====================================================================================");
do
{
Console.WriteLine("Enter the first phone number to compare");
var phoneA = Console.ReadLine();
Console.WriteLine("enter the second number");
var phoneB = Console.ReadLine();
Console.WriteLine("Choose comparison method: l - using Linq, r - using Regex, s - using Serial string comparison");
Console.WriteLine("In case other char than('l', 'r', 's') is entered comparison method will be default (Linq)");
var compareMethod = Console.ReadLine();
IEqualityComparer <string> comparer;
switch (compareMethod)
{
case "l":
comparer = new LinqCompare();
break;
case "r":
comparer = new RegexCompare();
break;
case "s":
comparer = new SerialCompare();
break;
default:
comparer = new LinqCompare();
break;
}
Stopwatch watch = new Stopwatch();
watch.Start();
try
{
var resultString = PhoneNumberComparer.AreEqual(phoneA, phoneB, comparer) ? "equal" : "not equal";
Console.WriteLine($"Numbers are {resultString}, operation took: '{watch.Elapsed}'");
}
// Handle ArgumentOutOfRange exception, all other will crash the application currently by design
catch (ArgumentOutOfRangeException)
{
Console.WriteLine($"Invalid numbers where entered, please enter numbers with less than '{Consts.MAX_VALID_LENGTH}' digits");
}
}while (true);
}
public void BothWhiteSpacesNumbersTest()
{
Assert.IsTrue(PhoneNumberComparer.AreEqual(" ", " ", _serialComparer));
Assert.IsTrue(PhoneNumberComparer.AreEqual(" ", " ", _regexComparer));
Assert.IsTrue(PhoneNumberComparer.AreEqual(" ", " ", _linqComparer));
}
public void BothEmptyNumbersTest()
{
Assert.IsTrue(PhoneNumberComparer.AreEqual(string.Empty, string.Empty, _serialComparer));
Assert.IsTrue(PhoneNumberComparer.AreEqual(string.Empty, string.Empty, _regexComparer));
Assert.IsTrue(PhoneNumberComparer.AreEqual(string.Empty, string.Empty, _linqComparer));
}