using System;
using Developpez.Dotnet.Algorithms;
using NUnit.Framework;

namespace Developpez.Dotnet.Tests.Algorithms
{
    [TestFixture]
    public class CreditCardNumberTests
    {
        [Test]
        public void CheckStandard()
        {
            Assert.AreEqual(true, CreditCardNumber.Check("7322293245668758"));
            Assert.AreEqual(false, CreditCardNumber.Check("7322293245668757"));
        }

        [Test]
        [ExpectedException(typeof(ArgumentNullException))]
        public void CheckEmpty()
        {
            CreditCardNumber.Check(string.Empty);
        }

        [Test]
        [ExpectedException(typeof(ArgumentException))]
        public void CheckZero()
        {
            CreditCardNumber.Check("0");
        }

        [Test]
        [ExpectedException(typeof(ArgumentException))]
        public void CheckLength()
        {
            CreditCardNumber.Check("1");
        }

        [Test]
        [ExpectedException(typeof(ArgumentException))]
        public void CheckNotANumberString()
        {
            CreditCardNumber.Check("Foo");
        }

    }
}