| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <locale> |
| |
| // template <class charT> class collate; |
| |
| // int compare(const charT* low1, const charT* high1, |
| // const charT* low2, const charT* high2) const; |
| |
| #include <locale> |
| #include <cassert> |
| |
| int main(int, char**) |
| { |
| std::locale l = std::locale::classic(); |
| { |
| const char ia[] = "1234"; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| const char ib[] = "123"; |
| const std::collate<char>& f = std::use_facet<std::collate<char> >(l); |
| assert(f.compare(ia, ia+sa, ib, ib+2) == 1); |
| assert(f.compare(ib, ib+2, ia, ia+sa) == -1); |
| assert(f.compare(ia, ia+sa, ib, ib+3) == 1); |
| assert(f.compare(ib, ib+3, ia, ia+sa) == -1); |
| assert(f.compare(ia, ia+sa, ib+1, ib+3) == -1); |
| assert(f.compare(ib+1, ib+3, ia, ia+sa) == 1); |
| assert(f.compare(ia, ia+3, ib, ib+3) == 0); |
| } |
| { |
| const wchar_t ia[] = L"1234"; |
| const unsigned sa = sizeof(ia)/sizeof(ia[0]); |
| const wchar_t ib[] = L"123"; |
| const std::collate<wchar_t>& f = std::use_facet<std::collate<wchar_t> >(l); |
| assert(f.compare(ia, ia+sa, ib, ib+2) == 1); |
| assert(f.compare(ib, ib+2, ia, ia+sa) == -1); |
| assert(f.compare(ia, ia+sa, ib, ib+3) == 1); |
| assert(f.compare(ib, ib+3, ia, ia+sa) == -1); |
| assert(f.compare(ia, ia+sa, ib+1, ib+3) == -1); |
| assert(f.compare(ib+1, ib+3, ia, ia+sa) == 1); |
| assert(f.compare(ia, ia+3, ib, ib+3) == 0); |
| } |
| |
| return 0; |
| } |