This class
serves as a type in the testing
namespace to be passed to an unqualified call to PrintTo
. By supplying bslim_Gtestutil_TestingStreamHolder(&stream)
, which is implicitly convertible to bsl::ostream *
, we supply an argument in the testing
namespace in the UniversalPrint
call within the bsl::PrintTo(const optional<TYPE>&, ...)
call below, which will affect ADL to draw in UniversalPrint
declarations from the testing
namespace into consideration. For detailed discussion, see IMPLEMENTATION NOTE
in the implementation file.
See bslim_gtestutil