/// <summary>
/// Tries to shrink the buffer pool to the provided size
/// </summary>
/// <param name="size">The size of the buffer pool</param>
/// <returns>The final size of the buffer pool</returns>
/// <remarks>The buffer pool shrinks to a size less than or equal to <see cref="size"/>.</remarks>
//ToDo: Expose this method and test it.
public long ShrinkMemoryPool(long size)
{
lock (m_syncRoot)
{
if (m_disposed)
{
throw new ObjectDisposedException(GetType().FullName);
}
if (CurrentCapacity <= size)
{
return(CurrentCapacity);
}
for (int x = 0; x < m_memoryBlocks.Capacity; x++)
{
if (m_memoryBlocks[x] != null)
{
if (m_isPageFree.AreAllBitsCleared(x * m_pagesPerMemoryBlock, m_pagesPerMemoryBlock))
{
m_memoryBlocks[x].Dispose();
m_memoryBlocks[x] = null;
m_memoryBlockAllocations--;
if (CurrentCapacity <= size)
{
return(CurrentCapacity);
}
}
}
}
return(CurrentCapacity);
}
}
public void GetSetBits()
{
BitArray array = new BitArray(false, 15);
for (int x = 0; x < 15; x++)
{
if (array[x])
{
throw new Exception();
}
}
for (int x = 0; x < 15; x++)
{
if (array.GetBitUnchecked(x))
{
throw new Exception();
}
}
array[1] = true;
if (array.TrySetBit(1))
{
throw new Exception();
}
if (!array.TrySetBit(2))
{
throw new Exception();
}
if (array.TrySetBit(2))
{
throw new Exception();
}
if (!array.TryClearBit(2))
{
throw new Exception();
}
if (array.TryClearBit(2))
{
throw new Exception();
}
//Here, bit 1 is set.
if (!array.AreAllBitsSet(1, 1))
{
throw new Exception();
}
if (array.AreAllBitsSet(1, 3))
{
throw new Exception();
}
if (!array.AreAllBitsCleared(2, 8))
{
throw new Exception();
}
if (array.AreAllBitsCleared(0, 8))
{
throw new Exception();
}
array.SetBits(1, 8);
if (!array.AreAllBitsSet(1, 8))
{
throw new Exception();
}
array.ClearBits(1, 8);
if (!array.AreAllBitsCleared(1, 8))
{
throw new Exception();
}
array.EnsureCapacity(62);
if (!array.AreAllBitsCleared(1, 8))
{
throw new Exception();
}
array.EnsureCapacity(1000);
if (!array.AreAllBitsCleared(62, 500))
{
throw new Exception();
}
}
public void GetSetBits()
{
BitArray array = new BitArray(false, 15);
for (int x = 0; x < 15; x++)
{
if (array[x])
throw new Exception();
}
for (int x = 0; x < 15; x++)
{
if (array.GetBitUnchecked(x))
throw new Exception();
}
array[1] = true;
if(array.TrySetBit(1))
throw new Exception();
if (!array.TrySetBit(2))
throw new Exception();
if (array.TrySetBit(2))
throw new Exception();
if (!array.TryClearBit(2))
throw new Exception();
if (array.TryClearBit(2))
throw new Exception();
//Here, bit 1 is set.
if (!array.AreAllBitsSet(1,1))
throw new Exception();
if (array.AreAllBitsSet(1,3))
throw new Exception();
if (!array.AreAllBitsCleared(2,8))
throw new Exception();
if (array.AreAllBitsCleared(0, 8))
throw new Exception();
array.SetBits(1,8);
if (!array.AreAllBitsSet(1,8))
throw new Exception();
array.ClearBits(1, 8);
if (!array.AreAllBitsCleared(1, 8))
throw new Exception();
array.EnsureCapacity(62);
if (!array.AreAllBitsCleared(1, 8))
throw new Exception();
array.EnsureCapacity(1000);
if (!array.AreAllBitsCleared(62, 500))
throw new Exception();
}
