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