[#BloombergLP-bsltf-StdTestAllocatorConfigurationGuard]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsltf.adoc[bsltf]::StdTestAllocatorConfigurationGuard
:relfileprefix: ../../
:mrdocs:

Upon construction, an object of this class saves the current *delegate allocator* for `StdTestAllocator` and and installs the user‐specified allocator as the delegate allocator. The delegate allocator is the globally configured allocator to which an `StdTestAllocator` objects delegate their operations. On destruction, the original delegate allocator is restored.

== Synopsis

Declared in `<bsltf_stdtestallocator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class StdTestAllocatorConfigurationGuard;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bsltf/StdTestAllocatorConfigurationGuard/2constructor.adoc[`StdTestAllocatorConfigurationGuard`]         [.small]#[constructor]#
| Create a scoped guard that installs the specified `temporaryAllocator` as the delegate allocator.
| xref:BloombergLP/bsltf/StdTestAllocatorConfigurationGuard/2destructor.adoc[`~StdTestAllocatorConfigurationGuard`] [.small]#[destructor]#
| Restore the delegate allocator that was in place when this scoped guard was created and destroy this guard.
|===



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