test for cases in c#

gistfile1.cs

using System;
using Ksnsi.Services.Validation.ColValidators;
using NUnit.Framework;

namespace Ksnsi.Services.Tests
{
    [TestFixture]
    internal class ColValidatorNumericTest
    {
        private IColValidator _validator;

        public TestCaseData[] TestValidationTestCases()
        {
            return new[]
                       {
                           new TestCaseData("5,35", 1, 2).Returns(5.35),
                           new TestCaseData("5", 1, 2).Returns(5),
                           new TestCaseData("5.55", 1, 2).Returns(5.55),
                           new TestCaseData(" 5.55 ", 1, 2).Returns(5.55),
                           new TestCaseData("0", 1, 2).Returns(0),
                           new TestCaseData(".1", 1, 2).Returns(0.1),
                           new TestCaseData("0.0", 1, 2).Returns(0),
                           new TestCaseData(".0", 1, 2).Returns(0),
                           new TestCaseData("", 1, 2).Returns(null),
                           new TestCaseData(null, 1, 2).Returns(null),
                           new TestCaseData("4-8", 1, 2).Returns(null),
                           new TestCaseData("word", 1, 2).Returns(null)
                       };
        }

        [TestFixtureSetUp]
        public void SetUp()
        {
            var autoSelectValidator = new AutoSelectValidator();
            _validator = autoSelectValidator.GetValidator("Numeric");
        }

        [Test]
        [TestCaseSource("TestValidationTestCases")]
        public object NumericTest(string paramValue, int columnIndex, int rowIndex)
        {
            ColValidationResult colValidationResult = _validator.Validate(paramValue, columnIndex, rowIndex);
            return colValidationResult.Value;
        }
    }
}