llvm-project/libcxx/test/std/time/time.syn/formatter.year.pass.cpp
Louis Dionne 6a54dfbfe5 [libc++][NFC] Add missing license headers
Also standardize the license comment in several files where it was
different from what we normally do.
2024-07-31 12:58:09 -04:00

309 lines
8.7 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

//===----------------------------------------------------------------------===//
//
// 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=''\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;
}