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#include <glibmm/init.h>
#include <glibmm/ustring.h>
#include <cstdlib>
#include <iostream>
namespace {
template <class... Ts>
void
test(const Glib::ustring& expected, const Glib::ustring& fmt, const Ts&... ts)
{
const auto actual = Glib::ustring::sprintf(fmt, ts...);
if (actual != expected)
{
std::cerr << "error testing Glib::ustring::sprintf():\n"
"expected (" << expected.size() << "):\n" << expected << "\n\n"
"actual (" << actual .size() << "):\n" << actual << "\n";
std::exit(EXIT_FAILURE);
}
}
} // anonymous namespace
int
main(int, char**)
{
// Don't use the user's preferred locale. The decimal delimiter may be ','
// instead of the expected '.'.
Glib::set_init_to_users_preferred_locale(false);
Glib::init();
test("No formatting here, just a boring string",
"No formatting here, just a boring string");
test("Interpolating another string: \"here it is\" and there it was gone.",
"Interpolating another string: \"%s\" and there it was gone.", "here it is");
test("some stuff and then an int: 42",
"some stuff and then an int: %d", 42);
const auto greeting = std::string{"Hi"};
const auto name = Glib::ustring{"Dennis"};
const auto your_cows = 3;
const auto my_cows = 11;
const auto cow_percentage = 100.0 * your_cows / my_cows;
test("Hi, Dennis! You have 3 cows.\nThat's about 27.27% of the 11 cows I have.",
"%s, %s! You have %d cows.\nThat's about %0.2f%% of the %d cows I have.",
greeting, name, your_cows, cow_percentage, my_cows);
return EXIT_SUCCESS;
}
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