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toml11/tests/test_parse_floating.cpp

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#define BOOST_TEST_MODULE "parse_floating_test"
#ifdef UNITTEST_FRAMEWORK_LIBRARY_EXIST
#include <boost/test/unit_test.hpp>
#else
#define BOOST_TEST_NO_LIB
#include <boost/test/included/unit_test.hpp>
#endif
#include <toml/parser.hpp>
#include <cmath>
#include "test_parse_aux.hpp"
using namespace toml;
using namespace detail;
BOOST_AUTO_TEST_CASE(test_fractional)
{
TOML11_TEST_PARSE_EQUAL(parse_floating, "1.0", 1.0);
TOML11_TEST_PARSE_EQUAL(parse_floating, "0.1", 0.1);
TOML11_TEST_PARSE_EQUAL(parse_floating, "0.001", 0.001);
TOML11_TEST_PARSE_EQUAL(parse_floating, "0.100", 0.1);
TOML11_TEST_PARSE_EQUAL(parse_floating, "+3.14", 3.14);
TOML11_TEST_PARSE_EQUAL(parse_floating, "-3.14", -3.14);
TOML11_TEST_PARSE_EQUAL(parse_floating, "3.1415_9265_3589", 3.141592653589);
TOML11_TEST_PARSE_EQUAL(parse_floating, "+3.1415_9265_3589", 3.141592653589);
TOML11_TEST_PARSE_EQUAL(parse_floating, "-3.1415_9265_3589", -3.141592653589);
TOML11_TEST_PARSE_EQUAL(parse_floating, "123_456.789", 123456.789);
TOML11_TEST_PARSE_EQUAL(parse_floating, "+123_456.789", 123456.789);
TOML11_TEST_PARSE_EQUAL(parse_floating, "-123_456.789", -123456.789);
TOML11_TEST_PARSE_EQUAL(parse_floating, "+0.0", 0.0);
TOML11_TEST_PARSE_EQUAL(parse_floating, "-0.0", -0.0);
}
BOOST_AUTO_TEST_CASE(test_fractional_value)
{
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1.0", value( 1.0));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "0.1", value( 0.1));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "0.001", value( 0.001));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "0.100", value( 0.1));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "+3.14", value( 3.14));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "-3.14", value(-3.14));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "3.1415_9265_3589", value( 3.141592653589));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "+3.1415_9265_3589", value( 3.141592653589));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "-3.1415_9265_3589", value(-3.141592653589));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "123_456.789", value( 123456.789));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "+123_456.789", value( 123456.789));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "-123_456.789", value(-123456.789));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "+0.0", value( 0.0));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "-0.0", value(-0.0));
}
BOOST_AUTO_TEST_CASE(test_exponential)
{
TOML11_TEST_PARSE_EQUAL(parse_floating, "1e10", 1e10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "1e+10", 1e10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "1e-10", 1e-10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "+1e10", 1e10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "+1e+10", 1e10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "+1e-10", 1e-10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "-1e10", -1e10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "-1e+10", -1e10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "-1e-10", -1e-10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "123e-10", 123e-10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "1E10", 1e10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "1E+10", 1e10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "1E-10", 1e-10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "123E-10", 123e-10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "1_2_3E-10", 123e-10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "1_2_3E-1_0", 123e-10);
TOML11_TEST_PARSE_EQUAL(parse_floating, "+0e0", 0.0);
TOML11_TEST_PARSE_EQUAL(parse_floating, "-0e0", -0.0);
#ifdef TOML11_USE_UNRELEASED_TOML_FEATURES
BOOST_TEST_MESSAGE("testing an unreleased toml feature: leading zeroes in float exponent part");
// toml-lang/toml master permits leading 0s in exp part (unreleased)
TOML11_TEST_PARSE_EQUAL(parse_floating, "1_2_3E-01", 123e-1);
TOML11_TEST_PARSE_EQUAL(parse_floating, "1_2_3E-0_1", 123e-1);
#endif
}
BOOST_AUTO_TEST_CASE(test_exponential_value)
{
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1e10", value(1e10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1e+10", value(1e10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1e-10", value(1e-10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "+1e10", value(1e10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "+1e+10", value(1e10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "+1e-10", value(1e-10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "-1e10", value(-1e10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "-1e+10", value(-1e10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "-1e-10", value(-1e-10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "123e-10", value(123e-10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1E10", value(1e10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1E+10", value(1e10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1E-10", value(1e-10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "123E-10", value(123e-10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1_2_3E-10", value(123e-10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1_2_3E-1_0", value(123e-10));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "+0e0", value( 0.0));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "-0e0", value(-0.0));
#ifdef TOML11_USE_UNRELEASED_TOML_FEATURES
BOOST_TEST_MESSAGE("testing an unreleased toml feature: leading zeroes in float exponent part");
// toml-lang/toml master permits leading 0s in exp part (unreleased)
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1_2_3E-01", value(123e-1));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1_2_3E-0_1", value(123e-1));
#endif
}
BOOST_AUTO_TEST_CASE(test_fe)
{
TOML11_TEST_PARSE_EQUAL(parse_floating, "6.02e23", 6.02e23);
TOML11_TEST_PARSE_EQUAL(parse_floating, "6.02e+23", 6.02e23);
TOML11_TEST_PARSE_EQUAL(parse_floating, "1.112_650_06e-17", 1.11265006e-17);
}
BOOST_AUTO_TEST_CASE(test_fe_vaule)
{
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "6.02e23", value(6.02e23));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "6.02e+23", value(6.02e23));
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "1.112_650_06e-17", value(1.11265006e-17));
#ifdef TOML11_USE_UNRELEASED_TOML_FEATURES
BOOST_TEST_MESSAGE("testing an unreleased toml feature: leading zeroes in float exponent part");
// toml-lang/toml master permits leading 0s in exp part (unreleased)
TOML11_TEST_PARSE_EQUAL_VALUE(parse_value<toml::value>, "3.141_5e-01", value(3.1415e-1));
#endif
}
BOOST_AUTO_TEST_CASE(test_inf)
{
{
const std::string token("inf");
toml::detail::location loc("test", token);
const auto r = parse_floating(loc);
BOOST_CHECK(r.is_ok());
BOOST_CHECK(std::isinf(r.unwrap().first));
BOOST_CHECK(r.unwrap().first > 0.0);
}
{
const std::string token("+inf");
toml::detail::location loc("test", token);
const auto r = parse_floating(loc);
BOOST_CHECK(r.is_ok());
BOOST_CHECK(std::isinf(r.unwrap().first));
BOOST_CHECK(r.unwrap().first > 0.0);
}
{
const std::string token("-inf");
toml::detail::location loc("test", token);
const auto r = parse_floating(loc);
BOOST_CHECK(r.is_ok());
BOOST_CHECK(std::isinf(r.unwrap().first));
BOOST_CHECK(r.unwrap().first < 0.0);
}
}
BOOST_AUTO_TEST_CASE(test_nan)
{
{
const std::string token("nan");
toml::detail::location loc("test", token);
const auto r = parse_floating(loc);
BOOST_CHECK(r.is_ok());
BOOST_CHECK(std::isnan(r.unwrap().first));
}
{
const std::string token("+nan");
toml::detail::location loc("test", token);
const auto r = parse_floating(loc);
BOOST_CHECK(r.is_ok());
BOOST_CHECK(std::isnan(r.unwrap().first));
}
{
const std::string token("-nan");
toml::detail::location loc("test", token);
const auto r = parse_floating(loc);
BOOST_CHECK(r.is_ok());
BOOST_CHECK(std::isnan(r.unwrap().first));
}
}
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