Return the maximum number of blocks ever allocated from this object at any one time. Note that numBlocksInUse() <= numBlocksMax() <= numBlocksTotal().
numBlocksInUse() <= numBlocksMax() <= numBlocksTotal()
Declared in <bslma_testallocator.h>
<bslma_testallocator.h>
bsls::Types::Int64 numBlocksMax() const;