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