using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnitTestSharp;

namespace TestsForUnitTestSharp
{
    public class EqualityTestFixtureTests : UnitTestSharp.TestFixture
    {
        public class PODReferenceType
        {
            public string a = "foo";

            public int b = 2;

            public override bool Equals(object obj)
            {
                return Equals(obj as PODReferenceType);
            }

            public bool Equals(PODReferenceType other)
            {
                return other != null &&
                    Object.Equals(a, other.a) &&
                    Object.Equals(b, other.b);
            }

            public override int GetHashCode()
            {
                return base.GetHashCode();
            }
        }

        [IgnoreFixture]
        public class PODReferenceTypeEqualitySuccess : UnitTestSharp.EqualityTestFixture<PODReferenceType>
        {
            public PODReferenceTypeEqualitySuccess()
                : base(new PODReferenceType
                    {
                        a = "bar",
                        b = 0,
                    }) { }
        }

        public void PODReferenceTypeEqualitySuccess_Test()
        {
            string output = "";
            int totalTests = 0, failedTests = 0, failedChecks = 0;
            TestRunner.RunTestFixture(typeof(PODReferenceTypeEqualitySuccess),
                                      (outputString) => output += outputString,
                                      ref totalTests, ref failedTests, ref failedChecks);

            CheckEqual(6, totalTests);
            CheckEqual(0, failedTests);
            CheckEqual(0, failedChecks);

            CheckEqual("", output);
        }

        [IgnoreFixture]
        public class PODReferenceTypeEqualityFailure : UnitTestSharp.EqualityTestFixture<PODReferenceType>
        {
            public PODReferenceTypeEqualityFailure()
                : base(new PODReferenceType()) {}
        }

        public void PODReferenceTypeEqualityFailure_Test()
        {
            string output = "";
            int totalTests = 0, failedTests = 0, failedChecks = 0;
            TestRunner.RunTestFixture(typeof(PODReferenceTypeEqualityFailure),
                                      (outputString) => output += outputString,
                                      ref totalTests, ref failedTests, ref failedChecks);

            CheckEqual(6, totalTests);
            CheckEqual(5, failedTests);
            CheckEqual(12, failedChecks);

            CheckEqualRegex(
                "TestsForUnitTestSharp::EqualityTestFixtureTests.PODReferenceTypeEqualityFailure::" +
                "ReferenceIsNotDefault",
                output);
            
            CheckEqualRegex("Test object has default value in field a.", output);
            CheckEqualRegex("Test object has default value in field b.", output);
        }
    }
}