#region Copyright 2011-2014 by Roger Knapp, Licensed under the Apache License, Version 2.0
/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#endregion
using System;
using System.Threading;
using CSharpTest.Net.Synchronization;
using NUnit.Framework;

namespace CSharpTest.Net.Library.Test.LockingTests
{
    [TestFixture]
    public class TestSimpleReadWriteLocking : BaseThreadedReaderWriterTest<LockFactory<SimpleReadWriteLocking>>
    {
        [Test]
        public void ExplicitSyncObject()
        {
            Object obj = new object();
            ILockStrategy l = new SimpleReadWriteLocking(obj);
            using(new ThreadedWriter(l))
                Assert.IsFalse(Monitor.TryEnter(obj, 0));
            l.Dispose();
        }
        [Test]
        public void ReadToWriteFails()
        {
            using (ILockStrategy l = LockFactory.Create())
            using (l.Read())
                Assert.IsFalse(l.TryWrite(10));
        }
        [Test, ExpectedException(typeof(InvalidOperationException))]
        public void DisposedWithReaders()
        {
            ILockStrategy l = LockFactory.Create();
            ThreadedReader thread = new ThreadedReader(l);
            try
            {
                l.Dispose();
            }
            finally
            {
                try { thread.Dispose(); }
                catch (ObjectDisposedException)
                { }
            }
        }
        [Test, ExpectedException(typeof(InvalidOperationException))]
        public void DisposedWithWriters()
        {
            ILockStrategy l = LockFactory.Create();
            ThreadedWriter thread = new ThreadedWriter(l);
            try
            {
                l.Dispose();
            }
            finally
            {
                try { thread.Dispose(); }
                catch (ObjectDisposedException)
                { }
            }
        }
    }
    [TestFixture]
    public class TestSimpleReadWriteLockingDebug : BaseThreadedReaderWriterTest<DebugLockFactory<SimpleReadWriteLocking>>
    {
    }
    [TestFixture]
    public class TestSimpleReadWriteLockingCounts : BaseThreadedReaderWriterTest<LockCounterFactory<SimpleReadWriteLocking>>
    {
    }
}