[#BloombergLP-bdlt-FormatTestUtil-testFormat]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/FormatTestUtil.adoc[FormatTestUtil]::testFormat
:relfileprefix: ../../../
:mrdocs:

Compare the specified `exp` to the string result of calling `bsl::format` with the specified `format` and `value`, and return `true` if they match and `false` otherwise. If they do not match, load into the specified `message` a value describing the inputs and result of the failed test. Perform these tests for both `char`‐based and `wchar_t`‐based strings.

== Synopsis

Declared in `<bdlt_formattestutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_VALUE_TYPE>
static
bool
testFormat(
    xref:bsl/string.adoc[bsl::string]* message,
    std::string_view const& exp,
    std::string_view const& format,
    t_VALUE_TYPE const& value);
----


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