blame: source/misc/embedded_libs/fmt-8.1.1/test/unicode-test.cc

// Formatting library for C++ - Unicode tests

//

// Copyright (c) 2012 - present, Victor Zverovich

// All rights reserved.

//

// For the license information refer to format.h.

#include <iomanip>

#include <locale>

#include <vector>

#include "fmt/chrono.h"

#include "gmock/gmock.h"

#include "util.h"  // get_locale

using testing::Contains;

TEST(unicode_test, is_utf8) { EXPECT_TRUE(fmt::detail::is_utf8()); }

TEST(unicode_test, legacy_locale) {

  auto loc = get_locale("ru_RU.CP1251", "Russian_Russia.1251");

  if (loc == std::locale::classic()) return;

  auto s = std::string();

  try {

    s = fmt::format(loc, "День недели: {:L}", fmt::weekday(1));

  } catch (const fmt::format_error& e) {

    // Formatting can fail due to an unsupported encoding.

    fmt::print("Format error: {}\n", e.what());

    return;

  }

#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 500

  auto&& os = std::ostringstream();

  os.imbue(loc);

  auto tm = std::tm();

  tm.tm_wday = 1;

  os << std::put_time(&tm, "%a");

  auto wd = os.str();

  if (wd == "??") {

    EXPECT_EQ(s, "День недели: ??");

    fmt::print("std::locale gives ?? as a weekday.\n");

    return;

  }

#endif

  EXPECT_THAT((std::vector<std::string>{"День недели: пн", "День недели: Пн"}),

              Contains(s));

}