public static void MemoryStream_CopyTo_Invalid()
{
PooledMemoryStream memoryStream;
using (memoryStream = new PooledMemoryStream())
{
AssertExtensions.Throws <ArgumentNullException>("destination", () => memoryStream.CopyTo(destination: null));
// Validate the destination parameter first.
AssertExtensions.Throws <ArgumentNullException>("destination", () => memoryStream.CopyTo(destination: null, bufferSize: 0));
AssertExtensions.Throws <ArgumentNullException>("destination", () => memoryStream.CopyTo(destination: null, bufferSize: -1));
// Then bufferSize.
AssertExtensions.Throws <ArgumentOutOfRangeException>("bufferSize", () => memoryStream.CopyTo(Stream.Null, bufferSize: 0)); // 0-length buffer doesn't make sense.
AssertExtensions.Throws <ArgumentOutOfRangeException>("bufferSize", () => memoryStream.CopyTo(Stream.Null, bufferSize: -1));
}
// After the Stream is disposed, we should fail on all CopyTos.
AssertExtensions.Throws <ArgumentOutOfRangeException>("bufferSize", () => memoryStream.CopyTo(Stream.Null, bufferSize: 0)); // Not before bufferSize is validated.
AssertExtensions.Throws <ArgumentOutOfRangeException>("bufferSize", () => memoryStream.CopyTo(Stream.Null, bufferSize: -1));
PooledMemoryStream disposedStream = memoryStream;
// We should throw first for the source being disposed...
Assert.Throws <ObjectDisposedException>(() => memoryStream.CopyTo(disposedStream, 1));
}
public long GZip_BestSpeed()
{
using (var serializedStream = new PooledMemoryStream())
{
JsonSerializer.SerializeToStream(LogMessage.GenerateRandomLogMessages(Count), serializedStream);
using (var compressedStream = new PooledMemoryStream())
using (var compressionStream = GZipCompressor_BestSpeed.CreateCompressionStream(compressedStream))
{
serializedStream.Position = 0L;
serializedStream.CopyTo(compressionStream);
return(compressedStream.Length);
}
}
}
/// <summary>
/// Adds given value with the specified expiry time and refresh internal.
/// </summary>
/// <typeparam name="TVal">The type of the value.</typeparam>
/// <param name="partition">The partition.</param>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <param name="utcExpiry">The UTC expiry time.</param>
/// <param name="interval">The refresh interval.</param>
/// <param name="parentKeys">
/// Keys, belonging to current partition, on which the new item will depend.
/// </param>
protected override void AddInternal <TVal>(string partition, string key, TVal value, Instant utcExpiry, Duration interval, IList <string> parentKeys)
{
if (Log.IsDebugEnabled())
{
Log.DebugFormat(DebugMessages.AddItem, partition, key, Settings.CacheName, utcExpiry, interval);
}
byte[] serializedValue;
bool compressed;
try
{
using (var serializedStream = new PooledMemoryStream())
{
Serializer.SerializeToStream(value, serializedStream);
if (serializedStream.Length > Settings.MinValueLengthForCompression)
{
// Stream is too long, we should compress it.
using (var compressedStream = new PooledMemoryStream())
{
using (var compressionStream = Compressor.CreateCompressionStream(compressedStream))
{
serializedStream.Position = 0L;
serializedStream.CopyTo(compressionStream);
}
serializedValue = compressedStream.ToArray();
compressed = true;
}
}
else
{
// Stream is shorter than specified threshold, we can store it as it is.
serializedValue = serializedStream.ToArray();
compressed = false;
}
}
}
catch (Exception ex)
{
LastError = ex;
Log.ErrorException(ErrorMessages.InternalErrorOnSerialization, ex, value);
throw new ArgumentException(ErrorMessages.NotSerializableValue, ex);
}
var policy = (interval == Duration.Zero)
? new SystemCacheItemPolicy {
AbsoluteExpiration = utcExpiry.ToDateTimeOffset()
}
: new SystemCacheItemPolicy {
SlidingExpiration = interval.ToTimeSpan()
};
if (parentKeys != null && parentKeys.Count > 0)
{
policy.ChangeMonitors.Add(_store.CreateCacheEntryChangeMonitor(parentKeys.Select(pk => SerializeCacheKey(partition, pk))));
}
var cacheValue = new CacheValue {
Value = serializedValue, Compressed = compressed, UtcCreation = Clock.GetCurrentInstant()
};
_store.Set(SerializeCacheKey(partition, key), cacheValue, policy);
}