[#BloombergLP-bsls-FuzzTestHandlerGuard]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::FuzzTestHandlerGuard
:relfileprefix: ../../
:mrdocs:

Guard that installs and restores fuzz‐test assertion and precondition handlers.

== Synopsis

Declared in `<bsls_fuzztest.h>`

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

== Description

This class provides a guard that will install and uninstall four handlers, one for assertion failure, one for review failure, one for `BSLS_PRECONDITIONS_BEGIN`, and one for `BSLS_PRECONDITIONS_END`, within its protected scope.

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bsls/FuzzTestHandlerGuard/2constructor.adoc[`FuzzTestHandlerGuard`]         [.small]#[constructor]#
| Create a guard that installs the fuzz‐test assertion and precondition handlers.
| xref:BloombergLP/bsls/FuzzTestHandlerGuard/2destructor.adoc[`~FuzzTestHandlerGuard`] [.small]#[destructor]#
| Destroy this guard and restore the previous assertion and precondition handlers.
| xref:BloombergLP/bsls/FuzzTestHandlerGuard/getOriginalAssertionHandler.adoc[`getOriginalAssertionHandler`] 
| Return the original assertion handler.
| xref:BloombergLP/bsls/FuzzTestHandlerGuard/getOriginalReviewHandler.adoc[`getOriginalReviewHandler`] 
| Return the original review handler.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bsls/FuzzTestHandlerGuard/instance.adoc[`instance`] 
| Return the current fuzz test handler guard.
|===



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