Function check_equal

tests/fold_string_test.cpp:11–20

template<class IterResult, class IterExpect>
static void check_equal( IterResult beg_res, IterResult end_res,
                         IterExpect beg_exp, IterExpect end_exp )
{
    CHECK( std::distance( beg_res, end_res ) == std::distance( beg_exp, end_exp ) );
    IterResult result = beg_res;
    IterExpect expect = beg_exp;
    for( ; result != end_res && expect != end_exp; ++result, ++expect ) {
        CHECK( *result == *expect );
    }
}

TEST_CASE( "fold-string" )
{