/// <summary>
/// Checks whether properties of the specified collection have the expected default values and
/// whether the collection contains the expected amount of log messages.
/// </summary>
/// <param name="collection">Collection to check.</param>
/// <param name="expectedCount">Expected number of log messages in the collection.</param>
private void TestCollectionPropertyDefaults(LogMessageCollection <LogMessage> collection, long expectedCount)
{
using (var eventWatcher = collection.AttachEventWatcher())
{
// check collection specific properties
Assert.Equal(expectedCount, collection.Count);
// check properties exposed by IList implementation
{
var list = collection as IList;
Assert.Equal(expectedCount, list.Count);
Assert.Equal(CollectionIsReadOnly, list.IsReadOnly);
Assert.Equal(CollectionIsFixedSize, list.IsFixedSize);
Assert.Equal(CollectionIsSynchronized, list.IsSynchronized);
Assert.NotSame(collection, list.SyncRoot); // sync root must not be the same as the collection to avoid deadlocks
}
// check properties exposed by IList<T> implementation
{
var list = collection as IList <LogMessage>;
Assert.False(list.IsReadOnly);
Assert.Equal(expectedCount, list.Count);
}
// no events should have been raised
eventWatcher.CheckInvocations();
}
}
