tomlplusplus/tests/manipulating_values.cpp

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#include "tests.h"
TEST_CASE("values - printing")
{
static constexpr auto print_value = [](auto&& raw) noexcept
{
auto val = toml::value{ std::forward<decltype(raw)>(raw) };
std::stringstream ss;
ss.imbue(std::locale::classic());
ss << val;
return ss.str();
};
CHECK(print_value(1) == "1");
CHECK(print_value(1.0f) == "1.0");
CHECK(print_value(1.0) == "1.0");
CHECK(print_value(1.5f) == "1.5");
CHECK(print_value(1.5) == "1.5");
CHECK(print_value(10) == "10");
CHECK(print_value(10.0f) == "10.0");
CHECK(print_value(10.0) == "10.0");
CHECK(print_value(100) == "100");
CHECK(print_value(100.0f) == "100.0");
CHECK(print_value(100.0) == "100.0");
CHECK(print_value(1000) == "1000");
CHECK(print_value(1000.0f) == "1000.0");
CHECK(print_value(1000.0) == "1000.0");
CHECK(print_value(10000) == "10000");
CHECK(print_value(10000.0f) == "10000.0");
CHECK(print_value(10000.0) == "10000.0");
// only integers for large values;
// large floats might get output as scientific notation and that's fine
CHECK(print_value(10000000000) == "10000000000");
CHECK(print_value(100000000000000) == "100000000000000");
}