//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// Bionic has minimal locale support, investigate this later.
// XFAIL: LIBCXX-ANDROID-FIXME
// REQUIRES: locale.en_US.UTF-8
// <locale>
// template <class charT> class collate_byname
// int compare(const charT* low1, const charT* high1,
// const charT* low2, const charT* high2) const;
// I'm currently unable to confirm that collation based on named locales
// has any difference from "C" collation. But I do believe I'm picking
// up the OS's collation files.
// https://llvm.org/PR41018
// XFAIL: windows-dll && msvc
#include <locale>
#include <string>
#include <cassert>
#include <stdio.h>
#include "test_macros.h"
#include "platform_support.h" // locale name macros
#define ASSERT_COMPARE(type, str1, str2, expected) \
do { \
type s1(str1); \
type s2(str2); \
assert(f.compare(s1.data(), s1.data() + s1.size(), \
s2.data(), s2.data() + s2.size()) == (expected)); \
} while (0)
int main(int, char**)
{
{
std::locale l(LOCALE_en_US_UTF_8);
{
const std::collate<char>& f = std::use_facet<std::collate<char> >(l);
ASSERT_COMPARE(std::string, "aaa", "bbb", -1);
ASSERT_COMPARE(std::string, "AAA", "BBB", -1);
ASSERT_COMPARE(std::string, "bbb", "aaa", 1);
ASSERT_COMPARE(std::string, "ccc", "ccc", 0);
#if defined(__APPLE__)
// Apple's default collation is case-sensitive
ASSERT_COMPARE(std::string, "aaaaaaA", "BaaaaaA", 1);
#else
// Glibc, Windows, and FreeBSD's default collation is case-insensitive
ASSERT_COMPARE(std::string, "aaaaaaA", "BaaaaaA", -1);
#endif
}
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
{
const std::collate<wchar_t>& f = std::use_facet<std::collate<wchar_t> >(l);
ASSERT_COMPARE(std::wstring, L"aaa", L"bbb", -1);
ASSERT_COMPARE(std::wstring, L"AAA", L"BBB", -1);
ASSERT_COMPARE(std::wstring, L"bbb", L"aaa", 1);
ASSERT_COMPARE(std::wstring, L"ccc", L"ccc", 0);
#if defined(__APPLE__)
// Apple's default collation is case-sensitive
ASSERT_COMPARE(std::wstring, L"aaaaaaA", L"BaaaaaA", 1);
#else
// Glibc, Windows, and FreeBSD's default collation is case-insensitive
ASSERT_COMPARE(std::wstring, L"aaaaaaA", L"BaaaaaA", -1);
#endif
}
#endif
}
{
std::locale l("C");
{
const std::collate<char>& f = std::use_facet<std::collate<char> >(l);
ASSERT_COMPARE(std::string, "aaa", "bbb", -1);
ASSERT_COMPARE(std::string, "AAA", "BBB", -1);
ASSERT_COMPARE(std::string, "bbb", "aaa", 1);
ASSERT_COMPARE(std::string, "ccc", "ccc", 0);
// In the C locale, these are collated lexicographically.
ASSERT_COMPARE(std::string, "aaaaaaA", "BaaaaaA", 1);
}
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
{
const std::collate<wchar_t>& f = std::use_facet<std::collate<wchar_t> >(l);
ASSERT_COMPARE(std::wstring, L"aaa", L"bbb", -1);
ASSERT_COMPARE(std::wstring, L"AAA", L"BBB", -1);
ASSERT_COMPARE(std::wstring, L"bbb", L"aaa", 1);
ASSERT_COMPARE(std::wstring, L"ccc", L"ccc", 0);
// In the C locale, these are collated lexicographically.
ASSERT_COMPARE(std::wstring, L"aaaaaaA", L"BaaaaaA", 1);
}
#endif
}
return 0;
}