public void TryAdd()
{
const string value = "value";
var sharedList = new SharedList <string>(LockingStrategy);
bool doInsert = false;
using (ISharedCollectionLock l = sharedList.GetReadLock())
{
if (!sharedList.Contains(value))
{
doInsert = true;
}
}
if (doInsert)
{
using (ISharedCollectionLock l = sharedList.GetWriteLock())
{
if (!sharedList.Contains(value))
{
sharedList.Add(value);
}
}
}
CollectionAssert.AreEqual(new List <string> {
value
}, sharedList.BackingList);
}
public void DisposedWriteLockDeniesWrite()
{
var sharedList = new SharedList <string>(LockingStrategy);
ISharedCollectionLock l = sharedList.GetWriteLock();
l.Dispose();
sharedList[0] = "foo";
}
public void DisposedWriteLockDeniesRead()
{
var d = new SharedList <string>(LockingStrategy);
ISharedCollectionLock l = d.GetWriteLock();
l.Dispose();
d.Contains("foo");
}
public void DisposedWriteLockDeniesWrite()
{
var sharedList = new SharedList <string>(this.LockingStrategy);
ISharedCollectionLock l = sharedList.GetWriteLock();
l.Dispose();
Assert.Throws <WriteLockRequiredException>(() => sharedList[0] = "foo");
}
public void DisposedWriteLockDeniesRead()
{
var d = new SharedList <string>(this.LockingStrategy);
ISharedCollectionLock l = d.GetWriteLock();
l.Dispose();
Assert.Throws <ReadLockRequiredException>(() => d.Contains("foo"));
}
public void TwoDictsShareALockWriteTest()
{
ILockStrategy ls = new ReaderWriterLockStrategy();
var d1 = new SharedList <string>(ls);
var d2 = new SharedList <string>(ls);
using (ISharedCollectionLock readLock = d1.GetReadLock())
{
using (ISharedCollectionLock writeLock = d2.GetWriteLock())
{
//do nothing
}
}
}
public void TwoDictsShareALockWriteTest()
{
ILockStrategy ls = new ReaderWriterLockStrategy();
var d1 = new SharedList <string>(ls);
var d2 = new SharedList <string>(ls);
using (ISharedCollectionLock readLock = d1.GetReadLock())
{
Assert.Throws <LockRecursionException>(
() =>
{
using (ISharedCollectionLock writeLock = d2.GetWriteLock())
{
// do nothing
}
});
}
}
