/* This file is part of the db4o object database http://www.db4o.com

Copyright (C) 2004 - 2011  Versant Corporation http://www.versant.com

db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.

db4o is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program.  If not, see http://www.gnu.org/licenses/. */

using System;
using System.Diagnostics;
#if !CF && !SILVERLIGHT
using Db4oUnit;
using Db4objects.Db4o.Foundation;
#if CF_3_5 || NET_3_5
using System.Linq;
using Db4objects.Db4o.Linq;

#endif

namespace Db4objects.Db4o.Tests.CLI1.Monitoring
{
    public class QueryMonitoringSupportTestCaseBase : PerformanceCounterTestCaseBase
    {
        protected void AssertCounter(PerformanceCounter performanceCounter, Action4 action)
        {
            using (var counter = performanceCounter)
            {
                Assert.AreEqual(0, counter.RawValue);

                for (var i = 0; i < 3; ++i)
                {
                    action();
                    Assert.AreEqual(i + 1, counter.RawValue);
                }
            }
        }

        protected void ExecuteOptimizedNQ()
        {
            ExecuteOptimizedNQ(Db());
        }

        protected void ExecuteOptimizedNQ(IObjectContainer container)
        {
            Predicate<Item> match = delegate(Item item) { return item.id == 42; };
            container.Query(match);
        }

        protected void ExecuteUnoptimizedNQ()
        {
            Db().Query(delegate(Item item) { return item.GetType() == typeof (Item); });
        }

        public class Item
        {
            public int id;
        }

#if CF_3_5 || NET_3_5
        protected void ExecuteOptimizedLinq()
        {
            var found = (from Item item in Db()
                where item.id == 42
                select item).ToArray();
        }

        protected void ExecuteUnoptimizedLinq()
        {
            var found = (from Item item in Db()
                where item.GetType() == typeof (Item)
                select item).ToArray();
        }
#endif
    }
}

#endif