using System;
using NUnit.Framework;

namespace ChadSoft.Data
{
    [TestFixture]
    public class PropertyComparisonCriteriaTests
    {
        private class TestClass
        {
            public int ID { get; set; }
            public string Name { get; set; }
            public DateTime DateTime { get; set; }
            public Decimal Decimal { get; set; }
        }

        [Test]
        public void ShouldReturnTrueForSameIntProperties()
        {
            var x = new TestClass { ID = 1 };
            var y = new TestClass { ID = 1 };
            Assert.IsTrue(new PropertyComparisonCriteria(x).IsMatch(y));
        }
        [Test]
        public void ShouldReturnTrueForSameStringProperties()
        {
            var x = new TestClass { Name = "Test" };
            var y = new TestClass { Name = "Test" };
            Assert.IsTrue(new PropertyComparisonCriteria(x).IsMatch(y));
        }

        [Test]
        public void ShouldReturnFalseForNullInstance()
        {
            Assert.IsFalse(new PropertyComparisonCriteria(null).IsMatch(new object()));
        }
        [Test]
        public void ShouldReturnFalseForNullComparison()
        {
            Assert.IsFalse(new PropertyComparisonCriteria(new object()).IsMatch(null));
        }
    }
}