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toml11/tests/test_format_floating.cpp
ToruNiina c47ff10a64 test: update test codes to v4
2024-06-15 19:14:06 +09:00

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#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
#include "doctest.h"
#include <toml11/parser.hpp>
#include <toml11/serializer.hpp>
#include <toml11/types.hpp>
TEST_CASE("testing fractional float")
{
auto fmt = [](std::size_t prec) {
toml::floating_format_info f;
f.fmt = toml::floating_format::fixed;
f.prec = prec;
return f;
};
auto format_as = [](const double f, int w) -> std::string {
std::ostringstream oss;
oss.imbue(std::locale::classic());
oss << std::fixed << std::setprecision(w) << f;
return oss.str();
};
CHECK_EQ(format_as( 1.0 , 1), toml::format(toml::value( 1.0 , fmt( 1))));
CHECK_EQ(format_as( 0.1 , 1), toml::format(toml::value( 0.1 , fmt( 1))));
CHECK_EQ(format_as( 0.001 , 3), toml::format(toml::value( 0.001 , fmt( 3))));
CHECK_EQ(format_as( 0.1 , 3), toml::format(toml::value( 0.1 , fmt( 3))));
CHECK_EQ(format_as( 3.14 , 2), toml::format(toml::value( 3.14 , fmt( 2))));
CHECK_EQ(format_as(-3.14 , 2), toml::format(toml::value(-3.14 , fmt( 2))));
CHECK_EQ(format_as( 3.141592653589, 12), toml::format(toml::value( 3.141592653589, fmt(12))));
CHECK_EQ(format_as(-3.141592653589, 12), toml::format(toml::value(-3.141592653589, fmt(12))));
}
TEST_CASE("testing scientific float")
{
auto fmt = [](std::size_t prec) {
toml::floating_format_info f;
f.fmt = toml::floating_format::scientific;
f.prec = prec;
return f;
};
auto format_as = [](const double f, int w) -> std::string {
std::ostringstream oss;
oss.imbue(std::locale::classic());
oss << std::scientific << std::setprecision(w) << f;
return oss.str();
};
CHECK_EQ(format_as( 1.0 , 1), toml::format(toml::value( 1.0 , fmt( 1))));
CHECK_EQ(format_as( 0.1 , 1), toml::format(toml::value( 0.1 , fmt( 1))));
CHECK_EQ(format_as( 0.001 , 3), toml::format(toml::value( 0.001 , fmt( 3))));
CHECK_EQ(format_as( 0.1 , 3), toml::format(toml::value( 0.1 , fmt( 3))));
CHECK_EQ(format_as( 3.14 , 2), toml::format(toml::value( 3.14 , fmt( 2))));
CHECK_EQ(format_as(-3.14 , 2), toml::format(toml::value(-3.14 , fmt( 2))));
CHECK_EQ(format_as( 3.141592653589, 12), toml::format(toml::value( 3.141592653589, fmt(12))));
CHECK_EQ(format_as(-3.141592653589, 12), toml::format(toml::value(-3.141592653589, fmt(12))));
}
TEST_CASE("testing hex float")
{
toml::spec s = toml::spec::v(1,0,0);
s.ext_hex_float = true;
toml::floating_format_info fmt;
fmt.fmt = toml::floating_format::hex;
auto format_as = [](const double f) -> std::string {
std::ostringstream oss;
oss.imbue(std::locale::classic());
oss << std::hexfloat << f;
return oss.str();
};
CHECK_EQ(format_as( 1.0 ), toml::format(toml::value( 1.0 , fmt), s));
CHECK_EQ(format_as( 0.1 ), toml::format(toml::value( 0.1 , fmt), s));
CHECK_EQ(format_as( 0.001 ), toml::format(toml::value( 0.001 , fmt), s));
CHECK_EQ(format_as( 0.1 ), toml::format(toml::value( 0.1 , fmt), s));
CHECK_EQ(format_as( 3.14 ), toml::format(toml::value( 3.14 , fmt), s));
CHECK_EQ(format_as(-3.14 ), toml::format(toml::value(-3.14 , fmt), s));
CHECK_EQ(format_as( 3.141592653589), toml::format(toml::value( 3.141592653589, fmt), s));
CHECK_EQ(format_as(-3.141592653589), toml::format(toml::value(-3.141592653589, fmt), s));
}
TEST_CASE("testing suffix + fractional")
{
toml::spec s = toml::spec::v(1,0,0);
s.ext_hex_float = true;
s.ext_num_suffix = true;
auto fmt = [](std::string sfx) {
toml::floating_format_info f;
f.fmt = toml::floating_format::fixed;
f.suffix = sfx;
return f;
};
auto format_as = [](const double f, std::string sfx) -> std::string {
std::ostringstream oss;
oss.imbue(std::locale::classic());
oss << std::fixed << f << "_" << sfx;
return oss.str();
};
CHECK_EQ(format_as( 1.0 , "m" ), toml::format(toml::value( 1.0 , fmt("m" )), s));
CHECK_EQ(format_as( 0.1 , "m" ), toml::format(toml::value( 0.1 , fmt("m" )), s));
CHECK_EQ(format_as( 0.001 , "mm" ), toml::format(toml::value( 0.001 , fmt("mm" )), s));
CHECK_EQ(format_as( 0.1 , "mm" ), toml::format(toml::value( 0.1 , fmt("mm" )), s));
CHECK_EQ(format_as( 3.14 , "rad"), toml::format(toml::value( 3.14 , fmt("rad")), s));
CHECK_EQ(format_as(-3.14 , "rad"), toml::format(toml::value(-3.14 , fmt("rad")), s));
CHECK_EQ(format_as( 3.141592653589, "rad"), toml::format(toml::value( 3.141592653589, fmt("rad")), s));
CHECK_EQ(format_as(-3.141592653589, "rad"), toml::format(toml::value(-3.141592653589, fmt("rad")), s));
}
TEST_CASE("testing suffix + scientific")
{
toml::spec s = toml::spec::v(1,0,0);
s.ext_hex_float = true;
s.ext_num_suffix = true;
auto fmt = [](std::string sfx) {
toml::floating_format_info f;
f.fmt = toml::floating_format::scientific;
f.suffix = sfx;
return f;
};
auto format_as = [](const double f, std::string sfx) -> std::string {
std::ostringstream oss;
oss.imbue(std::locale::classic());
oss << std::scientific << f << "_" << sfx;
return oss.str();
};
CHECK_EQ(format_as( 1.0 , "m" ), toml::format(toml::value( 1.0 , fmt("m" )), s));
CHECK_EQ(format_as( 0.1 , "m" ), toml::format(toml::value( 0.1 , fmt("m" )), s));
CHECK_EQ(format_as( 0.001 , "mm" ), toml::format(toml::value( 0.001 , fmt("mm" )), s));
CHECK_EQ(format_as( 0.1 , "mm" ), toml::format(toml::value( 0.1 , fmt("mm" )), s));
CHECK_EQ(format_as( 3.14 , "rad"), toml::format(toml::value( 3.14 , fmt("rad")), s));
CHECK_EQ(format_as(-3.14 , "rad"), toml::format(toml::value(-3.14 , fmt("rad")), s));
CHECK_EQ(format_as( 3.141592653589, "rad"), toml::format(toml::value( 3.141592653589, fmt("rad")), s));
CHECK_EQ(format_as(-3.141592653589, "rad"), toml::format(toml::value(-3.141592653589, fmt("rad")), s));
}
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