//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// UNSUPPORTED: no-localization
// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
// TODO FMT This test should not require std::to_chars(floating-point)
// XFAIL: availability-fp_to_chars-missing
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.ja_JP.UTF-8
// <chrono>
// template<class charT> struct formatter<chrono::year, charT>;
#include <chrono>
#include <format>
#include <cassert>
#include <concepts>
#include <locale>
#include <iostream>
#include <type_traits>
#include "formatter_tests.h"
#include "make_string.h"
#include "platform_support.h" // locale name macros
#include "string_literal.h"
#include "test_macros.h"
template <class CharT>
static void test_no_chrono_specs() {
check(SV("-32767"), SV("{}"), std::chrono::year{-32'767});
check(SV("-1000"), SV("{}"), std::chrono::year{-1000});
check(SV("-0100"), SV("{}"), std::chrono::year{-100});
check(SV("-0010"), SV("{}"), std::chrono::year{-10});
check(SV("-0001"), SV("{}"), std::chrono::year{-1});
check(SV("0000"), SV("{}"), std::chrono::year{0});
check(SV("0001"), SV("{}"), std::chrono::year{1});
check(SV("0010"), SV("{}"), std::chrono::year{10});
check(SV("0100"), SV("{}"), std::chrono::year{100});
check(SV("1000"), SV("{}"), std::chrono::year{1000});
check(SV("32727"), SV("{}"), std::chrono::year{32'727});
// Invalid year
check(SV("-32768 is not a valid year"), SV("{}"), std::chrono::year{-32'768});
check(SV("-32768 is not a valid year"), SV("{}"), std::chrono::year{32'768});
}
template <class CharT>
static void test_valid_values() {
constexpr std::basic_string_view<CharT> fmt = SV(
"{:"
"%%C='%C'%t"
"%%EC='%EC'%t"
"%%y='%y'%t"
"%%Ey='%Ey'%t"
"%%Oy='%Oy'%t"
"%%Y='%Y'%t"
"%%EY='%EY'%t"
"%n}");
constexpr std::basic_string_view<CharT> lfmt = SV(
"{:L"
"%%C='%C'%t"
"%%EC='%EC'%t"
"%%y='%y'%t"
"%%Ey='%Ey'%t"
"%%Oy='%Oy'%t"
"%%Y='%Y'%t"
"%%EY='%EY'%t"
"%n}");
const std::locale loc(LOCALE_ja_JP_UTF_8);
std::locale::global(std::locale(LOCALE_fr_FR_UTF_8));
// Non localized output using C-locale
check(SV("%C='00'\t"
#if defined(__APPLE__) || defined(_WIN32) || defined(__FreeBSD__)
"%EC='00'\t"
#else
"%EC='0'\t"
#endif
"%y='00'\t"
"%Ey='00'\t"
"%Oy='00'\t"
"%Y='0000'\t"
#if defined(__APPLE__) || defined(_WIN32) || defined(__FreeBSD__)
"%EY='0000'\t"
#elif defined(_AIX)
"%EY=''\t"
#else
"%EY='0'\t"
#endif
"\n"),
fmt,
std::chrono::year{0});
check(SV("%C='19'\t"
"%EC='19'\t"
"%y='70'\t"
"%Ey='70'\t"
"%Oy='70'\t"
"%Y='1970'\t"
"%EY='1970'\t"
"\n"),
fmt,
std::chrono::year{1970});
check(SV("%C='20'\t"
"%EC='20'\t"
"%y='38'\t"
"%Ey='38'\t"
"%Oy='38'\t"
"%Y='2038'\t"
"%EY='2038'\t"
"\n"),
fmt,
std::chrono::year{2038});
// Use the global locale (fr_FR)
check(SV("%C='00'\t"
#if defined(__APPLE__) || defined(_WIN32) || defined(__FreeBSD__)
"%EC='00'\t"
#else
"%EC='0'\t"
#endif
"%y='00'\t"
"%Ey='00'\t"
"%Oy='00'\t"
"%Y='0000'\t"
#if defined(__APPLE__) || defined(_WIN32) || defined(__FreeBSD__)
"%EY='0000'\t"
#elif defined(_AIX)
"%EY=''\t"
#else
"%EY='0'\t"
#endif
"\n"),
lfmt,
std::chrono::year{0});
check(SV("%C='19'\t"
"%EC='19'\t"
"%y='70'\t"
"%Ey='70'\t"
"%Oy='70'\t"
"%Y='1970'\t"
"%EY='1970'\t"
"\n"),
lfmt,
std::chrono::year{1970});
check(SV("%C='20'\t"
"%EC='20'\t"
"%y='38'\t"
"%Ey='38'\t"
"%Oy='38'\t"
"%Y='2038'\t"
"%EY='2038'\t"
"\n"),
lfmt,
std::chrono::year{2038});
// Use supplied locale (ja_JP). This locale has a different alternate.
#if defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)
check(SV("%C='00'\t"
# if defined(__APPLE__) || defined(_WIN32) || defined(__FreeBSD__)
"%EC='00'\t"
# else
"%EC='0'\t"
# endif
"%y='00'\t"
"%Ey='00'\t"
"%Oy='00'\t"
"%Y='0000'\t"
# if defined(_AIX)
"%EY=''\t"
# else
"%EY='0000'\t"
# endif
"\n"),
lfmt,
std::chrono::year{0});
check(SV("%C='19'\t"
"%EC='19'\t"
"%y='70'\t"
"%Ey='70'\t"
"%Oy='70'\t"
"%Y='1970'\t"
"%EY='1970'\t"
"\n"),
lfmt,
std::chrono::year{1970});
check(SV("%C='20'\t"
"%EC='20'\t"
"%y='38'\t"
"%Ey='38'\t"
"%Oy='38'\t"
"%Y='2038'\t"
"%EY='2038'\t"
"\n"),
lfmt,
std::chrono::year{2038});
#else // defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)
check(loc,
SV("%C='00'\t"
"%EC='紀元前'\t"
"%y='00'\t"
// https://sourceware.org/bugzilla/show_bug.cgi?id=23758
# if defined(__GLIBC__) && __GLIBC__ <= 2 && __GLIBC_MINOR__ < 29
"%Ey='1'\t"
# else
"%Ey='01'\t"
# endif
"%Oy='〇'\t"
"%Y='0000'\t"
// https://sourceware.org/bugzilla/show_bug.cgi?id=23758
# if defined(__GLIBC__) && __GLIBC__ <= 2 && __GLIBC_MINOR__ < 29
"%EY='紀元前1年'\t"
# else
"%EY='紀元前01年'\t"
# endif
"\n"),
lfmt,
std::chrono::year{0});
check(loc,
SV("%C='19'\t"
"%EC='昭和'\t"
"%y='70'\t"
"%Ey='45'\t"
"%Oy='七十'\t"
"%Y='1970'\t"
"%EY='昭和45年'\t"
"\n"),
lfmt,
std::chrono::year{1970});
// Note this test will fail if the Reiwa era ends before 2038.
check(loc,
SV("%C='20'\t"
"%EC='令和'\t"
"%y='38'\t"
"%Ey='20'\t"
"%Oy='三十八'\t"
"%Y='2038'\t"
"%EY='令和20年'\t"
"\n"),
lfmt,
std::chrono::year{2038});
#endif // defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)
std::locale::global(std::locale::classic());
}
template <class CharT>
static void test_padding() {
constexpr std::basic_string_view<CharT> fmt = SV("{:%%C='%C'%t%%y='%y'%t%%Y='%Y'%t%n}");
check(SV("%C='-100'\t%y='99'\t%Y='-9999'\t\n"), fmt, std::chrono::year{-9'999});
check(SV("%C='-10'\t%y='99'\t%Y='-0999'\t\n"), fmt, std::chrono::year{-999});
check(SV("%C='-1'\t%y='99'\t%Y='-0099'\t\n"), fmt, std::chrono::year{-99});
check(SV("%C='-1'\t%y='09'\t%Y='-0009'\t\n"), fmt, std::chrono::year{-9});
check(SV("%C='00'\t%y='00'\t%Y='0000'\t\n"), fmt, std::chrono::year{0});
check(SV("%C='00'\t%y='09'\t%Y='0009'\t\n"), fmt, std::chrono::year{9});
check(SV("%C='00'\t%y='99'\t%Y='0099'\t\n"), fmt, std::chrono::year{99});
check(SV("%C='09'\t%y='99'\t%Y='0999'\t\n"), fmt, std::chrono::year{999});
check(SV("%C='99'\t%y='99'\t%Y='9999'\t\n"), fmt, std::chrono::year{9'999});
check(SV("%C='100'\t%y='00'\t%Y='10000'\t\n"), fmt, std::chrono::year{10'000});
}
template <class CharT>
static void test() {
test_no_chrono_specs<CharT>();
test_valid_values<CharT>();
test_padding<CharT>();
check_invalid_types<CharT>(
{SV("C"), SV("y"), SV("Y"), SV("EC"), SV("Ey"), SV("EY"), SV("Oy")}, std::chrono::year{1970});
check_exception("The format specifier expects a '%' or a '}'", SV("{:A"), std::chrono::year{1970});
check_exception("The chrono specifiers contain a '{'", SV("{:%%{"), std::chrono::year{1970});
check_exception("End of input while parsing a conversion specifier", SV("{:%"), std::chrono::year{1970});
check_exception("End of input while parsing the modifier E", SV("{:%E"), std::chrono::year{1970});
check_exception("End of input while parsing the modifier O", SV("{:%O"), std::chrono::year{1970});
// Precision not allowed
check_exception("The format specifier expects a '%' or a '}'", SV("{:.3}"), std::chrono::year{1970});
}
int main(int, char**) {
test<char>();
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
test<wchar_t>();
#endif
return 0;
}
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