Function BOOST_AUTO_TEST_CASE

test/test_literal_conversion.cpp:20–44

#include <boost/compute/detail/literal.hpp>

BOOST_AUTO_TEST_CASE(literal_conversion_float)
{
    std::vector<float> values, roundtrip;
    values.push_back(1.2345679f);
    values.push_back(1.2345680f);
    values.push_back(1.2345681f);
    for (size_t i = 0; i < values.size(); i++) {
        std::string literal = boost::compute::detail::make_literal(values[i]);
        // Check that we got something in the literal, and that at least the first
        // 6 characters (5 digits) look good
        BOOST_CHECK_EQUAL(literal.substr(0, 6), "1.2345");

        // libc++ stream extraction fails on a value such as "1.2f" rather than extracting 1.2
        // and leaving the f; so check the "f", then slice it off for the extraction below:
        BOOST_CHECK_EQUAL(literal.substr(literal.length()-1), "f");

        std::istringstream iss(literal.substr(0, literal.length()-1));
        float x;
        iss >> x;
        roundtrip.push_back(x);
    }
    BOOST_CHECK_EQUAL(values[0], roundtrip[0]);
    BOOST_CHECK_EQUAL(values[1], roundtrip[1]);
    BOOST_CHECK_EQUAL(values[2], roundtrip[2]);
}

BOOST_AUTO_TEST_CASE(literal_conversion_double)
{