mapnik/tests/cpp_tests/conversions_test.cpp

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#include <boost/version.hpp>
#include <mapnik/util/conversions.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <iostream>
int main( int, char*[] )
{
using mapnik::util::to_string;
try
{
std::string out;
// Test double
to_string(out, double(0));
BOOST_TEST_EQ( out, "0" );
out.clear();
to_string(out, double(1));
BOOST_TEST_EQ( out, "1" );
out.clear();
to_string(out, double(-1));
BOOST_TEST_EQ( out, "-1" );
out.clear();
to_string(out, double(0.1));
BOOST_TEST_EQ( out, "0.1" );
out.clear();
to_string(out, double(-0.1));
BOOST_TEST_EQ( out, "-0.1" );
out.clear();
to_string(out, double(0.123));
BOOST_TEST_EQ( out, "0.123" );
out.clear();
to_string(out, double(-0.123));
BOOST_TEST_EQ( out, "-0.123" );
out.clear();
to_string(out, double(1e-06));
BOOST_TEST_EQ( out, "1e-06" );
out.clear();
to_string(out, double(-1e-06));
BOOST_TEST_EQ( out, "-1e-06" );
out.clear();
to_string(out, double(1e-05));
BOOST_TEST_EQ( out, "1e-05" );
out.clear();
to_string(out, double(-1e-05));
BOOST_TEST_EQ( out, "-1e-05" );
out.clear();
to_string(out, double(0.0001));
BOOST_TEST_EQ( out, "0.0001" );
out.clear();
to_string(out, double(-0.0001));
BOOST_TEST_EQ( out, "-0.0001" );
out.clear();
to_string(out, double(0.0001234567890123456));
BOOST_TEST_EQ( out, "0.0001234567890123456" );
out.clear();
to_string(out, double(-0.0001234567890123456));
BOOST_TEST_EQ( out, "-0.0001234567890123456" );
out.clear();
to_string(out, double(1000000000000000));
BOOST_TEST_EQ( out, "1000000000000000" );
out.clear();
to_string(out, double(-1000000000000000));
BOOST_TEST_EQ( out, "-1000000000000000" );
out.clear();
to_string(out, double(100000000000000.1));
BOOST_TEST_EQ( out, "100000000000000.1" );
out.clear();
to_string(out, double(1.00001));
BOOST_TEST_EQ( out, "1.00001" );
out.clear();
to_string(out, double(1234000000000000));
BOOST_TEST_EQ( out, "1234000000000000" );
out.clear();
to_string(out, double(1.234e+16));
BOOST_TEST_EQ( out, "1.234e+16" );
out.clear();
to_string(out, double(-1.234e+16));
BOOST_TEST_EQ( out, "-1.234e+16" );
out.clear();
// Test int
to_string(out, int(2));
BOOST_TEST_EQ( out, "2" );
out.clear();
}
catch (std::exception const & ex)
{
std::clog << "C++ type conversions problem: " << ex.what() << "\n";
BOOST_TEST(false);
}
if (!::boost::detail::test_errors()) {
std::clog << "C++ type conversions: \x1b[1;32m✓ \x1b[0m\n";
#if BOOST_VERSION >= 104600
::boost::detail::report_errors_remind().called_report_errors_function = true;
#endif
} else {
return ::boost::report_errors();
}
}