public async Task TestQueriesDiskCache()
{
await _bufferedDiskCache.Put(_cacheKey, _encodedImage);
EncodedImage image = await _bufferedDiskCache.Get(_cacheKey, _isCancelled);
Assert.IsTrue(2 == image.GetByteBufferRef().GetUnderlyingReferenceTestOnly().GetRefCountTestOnly());
byte[] buf1 = new byte[_pooledByteBuffer.Size];
_pooledByteBuffer.Read(0, buf1, 0, _pooledByteBuffer.Size);
byte[] buf2 = new byte[image.GetByteBufferRef().Get().Size];
image.GetByteBufferRef().Get().Read(0, buf2, 0, image.GetByteBufferRef().Get().Size);
CollectionAssert.AreEqual(buf1, buf2);
}
public void TestCloneOrNull()
{
EncodedImage encodedImage = new EncodedImage(_byteBufferRef);
encodedImage.Format = ImageFormat.JPEG;
encodedImage.RotationAngle = 0;
encodedImage.Width = 1;
encodedImage.Height = 2;
encodedImage.SampleSize = 4;
EncodedImage encodedImage2 = EncodedImage.CloneOrNull(encodedImage);
Assert.AreEqual(3, _byteBufferRef.GetUnderlyingReferenceTestOnly().GetRefCountTestOnly());
Assert.AreSame(
encodedImage.GetByteBufferRef().GetUnderlyingReferenceTestOnly(),
encodedImage2.GetByteBufferRef().GetUnderlyingReferenceTestOnly());
Assert.AreEqual(encodedImage.Format, encodedImage2.Format);
Assert.AreEqual(encodedImage.RotationAngle, encodedImage2.RotationAngle);
Assert.AreEqual(encodedImage.Height, encodedImage2.Height);
Assert.AreEqual(encodedImage.Width, encodedImage2.Width);
Assert.AreEqual(encodedImage.SampleSize, encodedImage2.SampleSize);
encodedImage = new EncodedImage(_inputStreamSupplier, 100);
encodedImage.Format = ImageFormat.JPEG;
encodedImage.RotationAngle = 0;
encodedImage.Width = 1;
encodedImage.Height = 2;
encodedImage2 = EncodedImage.CloneOrNull(encodedImage);
Assert.AreSame(encodedImage.GetInputStream(), encodedImage2.GetInputStream());
Assert.AreEqual(encodedImage2.Size, encodedImage.Size);
}
public void TestByteBufferRef()
{
EncodedImage encodedImage = new EncodedImage(_byteBufferRef);
Assert.AreEqual(2, _byteBufferRef.GetUnderlyingReferenceTestOnly().GetRefCountTestOnly());
Assert.AreSame(
encodedImage.GetByteBufferRef().GetUnderlyingReferenceTestOnly(),
_byteBufferRef.GetUnderlyingReferenceTestOnly());
}
public async Task TestFromStagingArea()
{
Task putTask = _bufferedDiskCache.Put(_cacheKey, _encodedImage);
EncodedImage image = _stagingArea.Get(_cacheKey);
Assert.AreSame(
_closeableReference.GetUnderlyingReferenceTestOnly(),
image.GetByteBufferRef().GetUnderlyingReferenceTestOnly());
await putTask;
}
public async Task TestFromStagingAreaLater()
{
await _bufferedDiskCache.Put(_cacheKey, _encodedImage);
EncodedImage image = await _bufferedDiskCache.Get(_cacheKey, _isCancelled);
Assert.IsTrue(_encodedImage.Size == image.Size);
// Ref count should be equal to 3 (One for _closeableReference, one that is cloned when
// _encodedImage is created and a third one that is cloned when the method GetByteBufferRef is
// called in EncodedImage).
Assert.IsTrue(3 == _encodedImage.GetByteBufferRef().GetUnderlyingReferenceTestOnly().GetRefCountTestOnly());
}
protected override void OnNewResultImpl(EncodedImage newResult, bool isLast)
{
CloseableReference <IPooledByteBuffer> ret = null;
try
{
if (EncodedImage.IsValid(newResult))
{
ret = newResult.GetByteBufferRef();
}
Consumer.OnNewResult(ret, isLast);
}
finally
{
CloseableReference <IPooledByteBuffer> .CloseSafely(ret);
}
}
/// <summary>
/// Removes key-value from the StagingArea. Both key and value must match.
/// </summary>
/// <param name="key">The cache key.</param>
/// <param name="encodedImage">Value corresponding to key.</param>
/// <returns>true if item was removed.</returns>
public bool Remove(ICacheKey key, EncodedImage encodedImage)
{
lock (_mapGate)
{
Preconditions.CheckNotNull(key);
Preconditions.CheckNotNull(encodedImage);
Preconditions.CheckArgument(EncodedImage.IsValid(encodedImage));
EncodedImage oldValue = default(EncodedImage);
if (!_map.TryGetValue(key, out oldValue))
{
return(false);
}
CloseableReference <IPooledByteBuffer> oldReference = oldValue.GetByteBufferRef();
CloseableReference <IPooledByteBuffer> reference = encodedImage.GetByteBufferRef();
try
{
if (oldReference == null || reference == null || oldReference.Get() != reference.Get())
{
return(false);
}
_map.Remove(key);
}
finally
{
CloseableReference <IPooledByteBuffer> .CloseSafely(reference);
CloseableReference <IPooledByteBuffer> .CloseSafely(oldReference);
EncodedImage.CloseSafely(oldValue);
}
#if DEBUG_STAGING_AREA
LogStats();
#endif // DEBUG_STAGING_AREA
return(true);
}
}
