Modern C++ Programming Cookbook

How to do it...

The following list shows some of the most commonly used APIs for performing tests:

• BOOST_TEST, in its plain form, is used for most tests:

        int a = 2, b = 4;        BOOST_TEST(a == b);        BOOST_TEST(4.201 == 4.200);        std::string s1{ "sample" };        std::string s2{ "text" };        BOOST_TEST(s1 == s2);

• BOOST_TEST along with the tolerance() manipulator are used to indicate the tolerance of floating point comparisons:

        BOOST_TEST(4.201 == 4.200,                    boost::test_tools::tolerance(0.001));

• BOOST_TEST along with the per_element() manipulator are used to perform an element-wise comparison of containers (even of different types):

        std::vector<int> v{ 1,2,3 };        std::list<short> l{ 1,2,3 };        BOOST_TEST(v == l, boost::test_tools::per_element());

• BOOST_TEST ...