public void TestCanReuseExclusive()
{
CloseableReference <int> cachedRef = _cache.Cache(KEY, NewReference(100), _entryStateObserver);
cachedRef.Dispose();
Assert.IsTrue(_isExclusive ?? false);
cachedRef = _cache.Reuse(KEY);
Assert.IsNotNull(cachedRef);
Assert.IsFalse(_isExclusive ?? true);
cachedRef.Dispose();
Assert.IsFalse(_isExclusive ?? true);
}
public void TestCachingSameKeyTwice()
{
CloseableReference <int> originalRef1 = NewReference(110);
CloseableReference <int> cachedRef1 = _cache.Cache(KEY, originalRef1);
CloseableReference <int> cachedRef2a = _cache.Get(KEY);
CloseableReference <int> cachedRef2b = cachedRef2a.Clone();
CloseableReference <int> cachedRef3 = _cache.Get(KEY);
CountingMemoryCache <string, int> .Entry entry1 = _cache._cachedEntries.Get(KEY);
CloseableReference <int> cachedRef2 = _cache.Cache(KEY, NewReference(120));
CountingMemoryCache <string, int> .Entry entry2 = _cache._cachedEntries.Get(KEY);
Assert.AreNotSame(entry1, entry2);
AssertOrphanWithCount(entry1, 3);
AssertSharedWithCount(KEY, 120, 1);
// Release the orphaned reference only when all clients are gone
originalRef1.Dispose();
cachedRef2b.Dispose();
AssertOrphanWithCount(entry1, 3);
cachedRef2a.Dispose();
AssertOrphanWithCount(entry1, 2);
cachedRef1.Dispose();
AssertOrphanWithCount(entry1, 1);
Assert.AreEqual(0, _releaseCallCount);
cachedRef3.Dispose();
AssertOrphanWithCount(entry1, 0);
Assert.AreEqual(1, _releaseCallCount);
}
public void TestEviction_ByEvictionQueueSize()
{
CloseableReference <int> originalRef1 = NewReference(200);
CloseableReference <int> valueRef1 = _cache.Cache(KEYS[1], originalRef1);
originalRef1.Dispose();
valueRef1.Dispose();
CloseableReference <int> originalRef2 = NewReference(300);
CloseableReference <int> valueRef2 = _cache.Cache(KEYS[2], originalRef2);
originalRef2.Dispose();
valueRef2.Dispose();
CloseableReference <int> originalRef3 = NewReference(700);
CloseableReference <int> valueRef3 = _cache.Cache(KEYS[3], originalRef3);
originalRef3.Dispose();
AssertTotalSize(3, 1200);
AssertExclusivelyOwnedSize(2, 500);
AssertExclusivelyOwned(KEYS[1], 200);
AssertExclusivelyOwned(KEYS[2], 300);
AssertSharedWithCount(KEYS[3], 700, 1);
Assert.AreEqual(0, _releaseCallCount);
// Closing the client reference for item3 will cause item1 to be evicted
valueRef3.Dispose();
AssertTotalSize(2, 1000);
AssertExclusivelyOwnedSize(2, 1000);
AssertNotCached(KEYS[1], 200);
AssertExclusivelyOwned(KEYS[2], 300);
AssertExclusivelyOwned(KEYS[3], 700);
Assert.IsTrue(_releaseValues.Contains(200));
}
public void TestUpdatesCacheParams()
{
CloseableReference <int> originalRef = NewReference(700);
CloseableReference <int> cachedRef = _cache.Cache(KEYS[2], originalRef);
originalRef.Dispose();
cachedRef.Dispose();
_cache.Get(KEY);
Assert.AreEqual(1, _paramsSupplier.GetCallCount);
_cache.Get(KEY);
Assert.AreEqual(1, _paramsSupplier.GetCallCount);
_cache.Get(KEY);
Assert.AreEqual(1, _paramsSupplier.GetCallCount);
AssertTotalSize(1, 700);
AssertExclusivelyOwnedSize(1, 700);
_params = new MemoryCacheParams(
500 /* cache max size */,
CACHE_MAX_COUNT,
CACHE_EVICTION_QUEUE_MAX_SIZE,
CACHE_EVICTION_QUEUE_MAX_COUNT,
CACHE_ENTRY_MAX_SIZE);
_paramsSupplier = new MockSupplier <MemoryCacheParams>(_params);
_cache.ForceUpdateCacheParams(_paramsSupplier);
_cache.Get(KEY);
Assert.AreEqual(1, _paramsSupplier.GetCallCount);
AssertTotalSize(0, 0);
AssertExclusivelyOwnedSize(0, 0);
Assert.IsTrue(_releaseValues.Contains(700));
}
public void TestCloseReference()
{
CloseableReference <IDisposable> copy = _closeableReference.Clone();
Assert.AreEqual(2, _closeableReference.GetUnderlyingReferenceTestOnly().GetRefCountTestOnly());
copy.Dispose();
Assert.AreEqual(1, _closeableReference.GetUnderlyingReferenceTestOnly().GetRefCountTestOnly());
}
public void TestToggleExclusive()
{
CloseableReference <int> cachedRef = _cache.Cache(KEY, NewReference(100), _entryStateObserver);
cachedRef.Dispose();
Assert.IsTrue(_isExclusive ?? false);
_cache.Get(KEY);
Assert.IsFalse(_isExclusive ?? true);
}
/// <summary>
/// This has to be called before we get rid of this object in order to
/// release underlying memory.
/// </summary>
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
CloseableReference <SoftwareBitmap> reference = DetachBitmapReference();
if (reference != null)
{
reference.Dispose();
}
}
public void TestClosingClientReference()
{
CloseableReference <int> cachedRef = _cache.Cache(KEY, NewReference(100));
// cached item should get exclusively owned
cachedRef.Dispose();
AssertTotalSize(1, 100);
AssertExclusivelyOwnedSize(1, 100);
AssertExclusivelyOwned(KEY, 100);
Assert.AreEqual(0, _releaseCallCount);
}
public void TestGet_Realloc()
{
CloseableReference <byte[]> arrayRef = _pool.Get(1);
byte[] smallArray = arrayRef.Get();
arrayRef.Dispose();
arrayRef = _pool.Get(7);
Assert.AreEqual(8, arrayRef.Get().Length);
Assert.AreNotSame(smallArray, arrayRef.Get());
}
public void TestClosingOriginalReference()
{
CloseableReference <int> originalRef = NewReference(100);
_cache.Cache(KEY, originalRef);
// cache should make its own copy and closing the original reference after caching
// should not affect the cached value
originalRef.Dispose();
AssertTotalSize(1, 100);
AssertExclusivelyOwnedSize(0, 0);
AssertSharedWithCount(KEY, 100, 1);
Assert.AreEqual(0, _releaseCallCount);
}
public void TestEviction_ByTotalCount()
{
// value 5 cannot fit the cache
CloseableReference <int> originalRef1 = NewReference(110);
CloseableReference <int> valueRef1 = _cache.Cache(KEYS[1], originalRef1);
originalRef1.Dispose();
CloseableReference <int> originalRef2 = NewReference(120);
CloseableReference <int> valueRef2 = _cache.Cache(KEYS[2], originalRef2);
originalRef2.Dispose();
CloseableReference <int> originalRef3 = NewReference(130);
CloseableReference <int> valueRef3 = _cache.Cache(KEYS[3], originalRef3);
originalRef3.Dispose();
CloseableReference <int> originalRef4 = NewReference(140);
CloseableReference <int> valueRef4 = _cache.Cache(KEYS[4], originalRef4);
originalRef4.Dispose();
CloseableReference <int> originalRef5 = NewReference(150);
CloseableReference <int> valueRef5 = _cache.Cache(KEYS[5], originalRef5);
originalRef5.Dispose();
AssertTotalSize(4, 500);
AssertExclusivelyOwnedSize(0, 0);
AssertSharedWithCount(KEYS[1], 110, 1);
AssertSharedWithCount(KEYS[2], 120, 1);
AssertSharedWithCount(KEYS[3], 130, 1);
AssertSharedWithCount(KEYS[4], 140, 1);
AssertNotCached(KEYS[5], 150);
Assert.IsNull(valueRef5);
// Closing the clients of cached items will make them viable for eviction
valueRef1.Dispose();
valueRef2.Dispose();
valueRef3.Dispose();
AssertTotalSize(4, 500);
AssertExclusivelyOwnedSize(3, 360);
// Value 4 can now fit after evicting value1
valueRef4 = _cache.Cache(KEYS[5], NewReference(150));
AssertTotalSize(4, 540);
AssertExclusivelyOwnedSize(2, 250);
AssertNotCached(KEYS[1], 110);
AssertExclusivelyOwned(KEYS[2], 120);
AssertExclusivelyOwned(KEYS[3], 130);
AssertSharedWithCount(KEYS[4], 140, 1);
AssertSharedWithCount(KEYS[5], 150, 1);
Assert.IsTrue(_releaseValues.Contains(110));
}
/// <summary>
/// Reallocate the local buffer to hold the new length specified.
/// Also copy over existing data to this new buffer.
/// </summary>
/// <param name="newLength">New length of buffer.</param>
/// <exception cref="InvalidStreamException">
/// If the stream is invalid.
/// </exception>
/// <exception cref="SizeTooLargeException">
/// If the allocation from the pool fails.
/// </exception>
internal void Realloc(int newLength)
{
EnsureValid();
/* Can the buffer handle @i more bytes, if not expand it */
if (newLength <= _bufRef.Get().Size)
{
return;
}
NativeMemoryChunk newbuf = _pool.Get(newLength);
_bufRef.Get().Copy(0, newbuf, 0, _count);
_bufRef.Dispose();
_bufRef = CloseableReference <NativeMemoryChunk> .of(newbuf, _pool);
}
public void TestInUseCount()
{
CloseableReference <int> cachedRef1 = _cache.Cache(KEY, NewReference(100));
CloseableReference <int> cachedRef2a = _cache.Get(KEY);
CloseableReference <int> cachedRef2b = cachedRef2a.Clone();
AssertTotalSize(1, 100);
AssertExclusivelyOwnedSize(0, 0);
AssertSharedWithCount(KEY, 100, 2);
CloseableReference <int> cachedRef3a = _cache.Get(KEY);
CloseableReference <int> cachedRef3b = cachedRef3a.Clone();
CloseableReference <int> cachedRef3c = cachedRef3b.Clone();
AssertTotalSize(1, 100);
AssertExclusivelyOwnedSize(0, 0);
AssertSharedWithCount(KEY, 100, 3);
cachedRef1.Dispose();
AssertTotalSize(1, 100);
AssertExclusivelyOwnedSize(0, 0);
AssertSharedWithCount(KEY, 100, 2);
// All copies of cachedRef2a need to be closed for usage count to drop
cachedRef2a.Dispose();
AssertTotalSize(1, 100);
AssertExclusivelyOwnedSize(0, 0);
AssertSharedWithCount(KEY, 100, 2);
cachedRef2b.Dispose();
AssertTotalSize(1, 100);
AssertExclusivelyOwnedSize(0, 0);
AssertSharedWithCount(KEY, 100, 1);
// All copies of cachedRef3a need to be closed for usage count to drop
cachedRef3c.Dispose();
AssertTotalSize(1, 100);
AssertExclusivelyOwnedSize(0, 0);
AssertSharedWithCount(KEY, 100, 1);
cachedRef3b.Dispose();
AssertTotalSize(1, 100);
AssertExclusivelyOwnedSize(0, 0);
AssertSharedWithCount(KEY, 100, 1);
cachedRef3a.Dispose();
AssertTotalSize(1, 100);
AssertExclusivelyOwnedSize(1, 100);
AssertExclusivelyOwned(KEY, 100);
}
public void TestEviction_ByTotalSize()
{
// Value 4 cannot fit the cache
CloseableReference <int> originalRef1 = NewReference(400);
CloseableReference <int> valueRef1 = _cache.Cache(KEYS[1], originalRef1);
originalRef1.Dispose();
CloseableReference <int> originalRef2 = NewReference(500);
CloseableReference <int> valueRef2 = _cache.Cache(KEYS[2], originalRef2);
originalRef2.Dispose();
CloseableReference <int> originalRef3 = NewReference(100);
CloseableReference <int> valueRef3 = _cache.Cache(KEYS[3], originalRef3);
originalRef3.Dispose();
CloseableReference <int> originalRef4 = NewReference(700);
CloseableReference <int> valueRef4 = _cache.Cache(KEYS[4], originalRef4);
originalRef4.Dispose();
AssertTotalSize(3, 1000);
AssertExclusivelyOwnedSize(0, 0);
AssertSharedWithCount(KEYS[1], 400, 1);
AssertSharedWithCount(KEYS[2], 500, 1);
AssertSharedWithCount(KEYS[3], 100, 1);
AssertNotCached(KEYS[4], 700);
Assert.IsNull(valueRef4);
// Closing the clients of cached items will make them viable for eviction
valueRef1.Dispose();
valueRef2.Dispose();
valueRef3.Dispose();
AssertTotalSize(3, 1000);
AssertExclusivelyOwnedSize(3, 1000);
// Value 4 can now fit after evicting value1 and value2
valueRef4 = _cache.Cache(KEYS[4], NewReference(700));
AssertTotalSize(2, 800);
AssertExclusivelyOwnedSize(1, 100);
AssertNotCached(KEYS[1], 400);
AssertNotCached(KEYS[2], 500);
AssertExclusivelyOwned(KEYS[3], 100);
AssertSharedWithCount(KEYS[4], 700, 1);
Assert.IsTrue(_releaseValues.Contains(400));
Assert.IsTrue(_releaseValues.Contains(500));
}
public void TestRemoveAllMatchingPredicate()
{
CloseableReference <int> originalRef1 = NewReference(110);
CloseableReference <int> valueRef1 = _cache.Cache(KEYS[1], originalRef1);
originalRef1.Dispose();
valueRef1.Dispose();
CloseableReference <int> originalRef2 = NewReference(120);
CloseableReference <int> valueRef2 = _cache.Cache(KEYS[2], originalRef2);
originalRef2.Dispose();
valueRef2.Dispose();
CloseableReference <int> originalRef3 = NewReference(130);
CloseableReference <int> valueRef3 = _cache.Cache(KEYS[3], originalRef3);
originalRef3.Dispose();
CountingMemoryCache <string, int> .Entry entry3 = _cache._cachedEntries.Get(KEYS[3]);
CloseableReference <int> originalRef4 = NewReference(150);
CloseableReference <int> valueRef4 = _cache.Cache(KEYS[4], originalRef4);
originalRef4.Dispose();
int numEvictedEntries = _cache.RemoveAll(
new Predicate <string>(key => key.Equals(KEYS[2]) || key.Equals(KEYS[3])));
Assert.AreEqual(2, numEvictedEntries);
AssertTotalSize(2, 260);
AssertExclusivelyOwnedSize(1, 110);
AssertExclusivelyOwned(KEYS[1], 110);
AssertNotCached(KEYS[2], 120);
AssertOrphanWithCount(entry3, 1);
AssertSharedWithCount(KEYS[4], 150, 1);
Assert.IsTrue(_releaseValues.Contains(120));
Assert.IsFalse(_releaseValues.Contains(130));
valueRef3.Dispose();
Assert.IsTrue(_releaseValues.Contains(130));
}
public void TestClear()
{
CloseableReference <int> originalRef1 = NewReference(110);
CloseableReference <int> cachedRef1 = _cache.Cache(KEYS[1], originalRef1);
originalRef1.Dispose();
CountingMemoryCache <string, int> .Entry entry1 = _cache._cachedEntries.Get(KEYS[1]);
CloseableReference <int> originalRef2 = NewReference(120);
CloseableReference <int> cachedRef2 = _cache.Cache(KEYS[2], originalRef2);
originalRef2.Dispose();
cachedRef2.Dispose();
_cache.Clear();
AssertTotalSize(0, 0);
AssertExclusivelyOwnedSize(0, 0);
AssertOrphanWithCount(entry1, 1);
AssertNotCached(KEYS[2], 120);
Assert.IsTrue(_releaseValues.Contains(120));
cachedRef1.Dispose();
Assert.IsTrue(_releaseValues.Contains(110));
}
/// <summary>
/// Start producing results for given context.
/// Provided consumer is notified whenever progress is made
/// (new value is ready or error occurs).
/// </summary>
public void ProduceResults(
IConsumer <CloseableReference <CloseableImage> > consumer,
IProducerContext producerContext)
{
IProducerListener listener = producerContext.Listener;
string requestId = producerContext.Id;
listener.OnProducerStart(requestId, ProducerName);
ImageRequest imageRequest = producerContext.ImageRequest;
object callerContext = producerContext.CallerContext;
ICacheKey cacheKey = _cacheKeyFactory.GetBitmapCacheKey(imageRequest, callerContext);
IDictionary <string, string> extraMap = default(IDictionary <string, string>);
CloseableReference <CloseableImage> cachedReference = _memoryCache.Get(cacheKey);
if (cachedReference != null)
{
bool isFinal = cachedReference.Get().QualityInfo.IsOfFullQuality;
if (isFinal)
{
extraMap = new Dictionary <string, string>()
{
{ VALUE_FOUND, "true" }
};
listener.OnProducerFinishWithSuccess(
requestId,
ProducerName,
listener.RequiresExtraMap(requestId) ?
new ReadOnlyDictionary <string, string>(extraMap) :
null);
consumer.OnProgressUpdate(1f);
}
consumer.OnNewResult(cachedReference, isFinal);
cachedReference.Dispose();
if (isFinal)
{
return;
}
}
if (producerContext.LowestPermittedRequestLevel >= RequestLevel.BITMAP_MEMORY_CACHE)
{
extraMap = new Dictionary <string, string>()
{
{ VALUE_FOUND, "false" }
};
listener.OnProducerFinishWithSuccess(
requestId,
ProducerName,
listener.RequiresExtraMap(requestId) ?
new ReadOnlyDictionary <string, string>(extraMap) :
null);
consumer.OnNewResult(null, true);
return;
}
extraMap = new Dictionary <string, string>()
{
{ VALUE_FOUND, "false" }
};
IConsumer <CloseableReference <CloseableImage> > wrappedConsumer =
WrapConsumer(consumer, cacheKey);
listener.OnProducerFinishWithSuccess(
requestId,
ProducerName,
listener.RequiresExtraMap(requestId) ?
new ReadOnlyDictionary <string, string>(extraMap) :
null);
_inputProducer.ProduceResults(wrappedConsumer, producerContext);
}
/// <summary>
/// Start producing results for given context.
/// Provided consumer is notified whenever progress is made
/// (new value is ready or error occurs).
/// </summary>
public void ProduceResults(
IConsumer <CloseableReference <CloseableImage> > consumer,
IProducerContext producerContext)
{
IProducerListener listener = producerContext.Listener;
string requestId = producerContext.Id;
ImageRequest imageRequest = producerContext.ImageRequest;
object callerContext = producerContext.CallerContext;
// If there's no postprocessor or the postprocessor doesn't
// require caching, forward results.
IPostprocessor postprocessor = imageRequest.Postprocessor;
if (postprocessor == null || postprocessor.PostprocessorCacheKey == null)
{
_inputProducer.ProduceResults(consumer, producerContext);
return;
}
listener.OnProducerStart(requestId, ProducerName);
ICacheKey cacheKey = _cacheKeyFactory.GetPostprocessedBitmapCacheKey(
imageRequest, callerContext);
CloseableReference <CloseableImage> cachedReference = _memoryCache.Get(cacheKey);
var extraMap = default(Dictionary <string, string>);
if (cachedReference != null)
{
extraMap = new Dictionary <string, string>()
{
{ VALUE_FOUND, "true" }
};
listener.OnProducerFinishWithSuccess(
requestId,
ProducerName,
listener.RequiresExtraMap(requestId) ?
new ReadOnlyDictionary <string, string>(extraMap) :
null);
consumer.OnProgressUpdate(1.0f);
consumer.OnNewResult(cachedReference, true);
cachedReference.Dispose();
}
else
{
bool isRepeatedProcessor = postprocessor.GetType() == typeof(IRepeatedPostprocessor);
IConsumer <CloseableReference <CloseableImage> > cachedConsumer =
new CachedPostprocessorConsumer(
consumer,
cacheKey,
isRepeatedProcessor,
_memoryCache);
extraMap = new Dictionary <string, string>()
{
{ VALUE_FOUND, "false" }
};
listener.OnProducerFinishWithSuccess(
requestId,
ProducerName,
listener.RequiresExtraMap(requestId) ?
new ReadOnlyDictionary <string, string>(extraMap) :
null);
_inputProducer.ProduceResults(cachedConsumer, producerContext);
}
}
/// <summary>
/// Test cleanup.
/// </summary>
public void Dispose()
{
_mockCloseable.Dispose();
_closeableReference.Dispose();
}
/// <summary>
/// Test cleanup.
/// </summary>
public void Dispose()
{
_bitmap.Dispose();
_platformBitmapFactory.Dispose();
_bitmapReference.Dispose();
}