public void TestAccessAvailableRelease()
{
var pool = new ByteBufferPool(10, 100);
Assert.Equal(10, pool.Available());
var buffer1 = pool.Access();
var buffer2 = pool.Access();
var buffer3 = pool.Access();
Assert.Equal(7, pool.Available());
buffer1.Release();
Assert.Equal(8, pool.Available());
buffer2.Release();
buffer3.Release();
Assert.Equal(10, pool.Available());
}