//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldShareThreadLocalBuffersStressfully() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
internal virtual void ShouldShareThreadLocalBuffersStressfully()
{
// given
ByteBufferFactory factory = new ByteBufferFactory(() => HEAP_ALLOCATOR, 1024);
Race race = new Race();
int threads = 10;
IList <ISet <ByteBuffer> > seenBuffers = new List <ISet <ByteBuffer> >();
for (int i = 0; i < threads; i++)
{
HashSet <ByteBuffer> seen = new HashSet <ByteBuffer>();
seenBuffers.Add(seen);
race.AddContestant(() =>
{
for (int j = 0; j < 1000; j++)
{
ByteBuffer buffer = factory.AcquireThreadLocalBuffer();
assertNotNull(buffer);
seen.Add(buffer);
factory.ReleaseThreadLocalBuffer();
}
}, 1);
}
// when
race.Go();
// then
for (int i = 0; i < threads; i++)
{
assertEquals(1, seenBuffers[i].Count);
}
factory.Close();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldCloseGlobalAllocationsOnClose()
internal virtual void ShouldCloseGlobalAllocationsOnClose()
{
// given
ByteBufferFactory.Allocator allocator = mock(typeof(ByteBufferFactory.Allocator));
when(allocator.Allocate(anyInt())).thenAnswer(invocationOnMock => ByteBuffer.allocate(invocationOnMock.getArgument(0)));
ByteBufferFactory factory = new ByteBufferFactory(() => allocator, 100);
// when doing some allocations that are counted as global
factory.AcquireThreadLocalBuffer();
factory.ReleaseThreadLocalBuffer();
factory.AcquireThreadLocalBuffer();
factory.ReleaseThreadLocalBuffer();
factory.GlobalAllocator().allocate(123);
factory.GlobalAllocator().allocate(456);
// and closing it
factory.Close();
// then
InOrder inOrder = inOrder(allocator);
inOrder.verify(allocator, times(1)).allocate(100);
inOrder.verify(allocator, times(1)).allocate(123);
inOrder.verify(allocator, times(1)).allocate(456);
inOrder.verify(allocator, times(1)).close();
inOrder.verifyNoMoreInteractions();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void shouldFailAcquireThreadLocalBufferIfAlreadyAcquired()
internal virtual void ShouldFailAcquireThreadLocalBufferIfAlreadyAcquired()
{
// given
ByteBufferFactory factory = new ByteBufferFactory(() => HEAP_ALLOCATOR, 1024);
factory.AcquireThreadLocalBuffer();
// when/then
assertThrows(typeof(System.InvalidOperationException), factory.acquireThreadLocalBuffer);
factory.Close();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDeallocateAllAllocatedMemoryOnDrop() throws org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldDeallocateAllAllocatedMemoryOnDrop()
{
// given
ThreadSafePeakMemoryAllocationTracker memoryTracker = new ThreadSafePeakMemoryAllocationTracker(new LocalMemoryTracker());
ByteBufferFactory bufferFactory = new ByteBufferFactory(() => new UnsafeDirectByteBufferAllocator(memoryTracker), 100);
BlockBasedIndexPopulator <GenericKey, NativeIndexValue> populator = InstantiatePopulator(NO_MONITOR, bufferFactory);
bool closed = false;
try
{
// when
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: java.util.Collection<org.neo4j.kernel.api.index.IndexEntryUpdate<?>> updates = batchOfUpdates();
ICollection <IndexEntryUpdate <object> > updates = BatchOfUpdates();
populator.Add(updates);
int nextId = updates.Count;
ExternalUpdates(populator, nextId, nextId + 10);
nextId = nextId + 10;
long memoryBeforeScanCompleted = memoryTracker.UsedDirectMemory();
populator.ScanCompleted(nullInstance);
ExternalUpdates(populator, nextId, nextId + 10);
// then
assertTrue("expected some memory to have been temporarily allocated in scanCompleted", memoryTracker.PeakMemoryUsage() > memoryBeforeScanCompleted);
populator.Drop();
closed = true;
assertEquals("expected all allocated memory to have been freed on drop", memoryBeforeScanCompleted, memoryTracker.UsedDirectMemory());
bufferFactory.Close();
assertEquals(0, memoryTracker.UsedDirectMemory());
}
finally
{
if (!closed)
{
populator.Close(true);
}
}
}
