xassert_unittest.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2018, 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/typemeta/xassert.h>
#include <gtest/gtest.h>
 
constexpr int foo_i_below_10(unsigned i) { return MRPT_X_ASSERT(i < 10), 0; }
TEST(XAssert, build_time)
{
        // Builds:
        constexpr int x = foo_i_below_10(0);
        (void)(x);
 
        // Does not build
        // constexpr int y = foo_i_below_10(11);
 
        // runs:
        foo_i_below_10(0);
 
        // throws:
        EXPECT_THROW(foo_i_below_10(11), std::exception);
}