Declared in <bslfmt_formattertestutil.h>
template<
class t_TYPE,
class t_ARG>
static
bool
testEvaluateFormat(
bsl::string* message,
bsl::basic_string_view<wchar_t> expectedResult,
bool alsoTestOracle,
std::wformat_string<t_TYPE, t_ARG> fmt,
t_TYPE&& value,
t_ARG&& arg);