[#BloombergLP-bslma-TestAllocatorMonitor-isInUseUp]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/TestAllocatorMonitor.adoc[TestAllocatorMonitor]::isInUseUp
:relfileprefix: ../../../
:mrdocs:

Return `true` if the `numBlocksInUse` statistic has increased&period;

== Synopsis

Declared in `&lt;bslma&lowbar;testallocatormonitor&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isInUseUp() const;
----

== Description

Return `true` if the `numBlocksInUse` statistic of the tracked test allocator has increased since construction of this monitor, and `false` otherwise&period;

== Return Value

`true` if `numBlocksInUse` has increased&period;


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