public void AllocationCounter()
{
var allocator = new PooledByteBufferAllocator(
true, // preferDirect
0, // nHeapArena
1, // nDirectArena
8192, // pageSize
11, // maxOrder
0, // tinyCacheSize
0, // smallCacheSize
0 // normalCacheSize
);
// create tiny buffer
IByteBuffer b1 = allocator.Buffer(24);
// create small buffer
IByteBuffer b2 = allocator.Buffer(800);
// create normal buffer
IByteBuffer b3 = allocator.Buffer(8192 * 2);
Assert.NotNull(b1);
Assert.NotNull(b2);
Assert.NotNull(b3);
// then release buffer to deallocated memory while threadlocal cache has been disabled
// allocations counter value must equals deallocations counter value
Assert.True(b1.Release());
Assert.True(b2.Release());
Assert.True(b3.Release());
Assert.True(allocator.DirectArenas().Count >= 1);
IPoolArenaMetric metric = allocator.DirectArenas()[0];
Assert.Equal(3, metric.NumDeallocations);
Assert.Equal(3, metric.NumAllocations);
Assert.Equal(1, metric.NumTinyDeallocations);
Assert.Equal(1, metric.NumTinyAllocations);
Assert.Equal(1, metric.NumSmallDeallocations);
Assert.Equal(1, metric.NumSmallAllocations);
Assert.Equal(1, metric.NumNormalDeallocations);
Assert.Equal(1, metric.NumNormalAllocations);
}
