fmt/test/unicode-test.cc

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2021-05-24 13:20:51 +00:00
// 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>
2021-05-24 13:20:51 +00:00
#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.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));
}