format_unittest.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2017, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */

#include <mrpt/utils/utils_defs.h>
#include <gtest/gtest.h>

using namespace mrpt;
using namespace mrpt::utils;
using namespace mrpt::math;
using namespace std;

// Load data from constant file and check for exact match.
TEST(FormatTest, LargeStrings)
{
        string test_str;
        const size_t test_str_len = 30000;
        test_str.assign(test_str_len, 'A');

        std::string s =
                mrpt::format("%u %s", static_cast<unsigned int>(10), test_str.c_str());

        const size_t out_str_len = s.size();

        // If it works, out len must be that of the string, plus 3 from "10 "
        EXPECT_EQ(out_str_len, (test_str_len + 3));
}