[#BloombergLP-bsls-FuzzTestPreconditionException-lineNumber] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/FuzzTestPreconditionException.adoc[FuzzTestPreconditionException]::lineNumber :relfileprefix: ../../../ :mrdocs: Return the number of the line within the file `filename` containing the assertion that failed. == Synopsis Declared in `<bsls_fuzztestpreconditionexception.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- int lineNumber() const; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#