hash.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <locale>
11
12// template <class charT> class collate;
13
14// long hash(const charT* low, const charT* high) const;
15
16//   This test is not portable
17
18#include <locale>
19#include <string>
20#include <cassert>
21
22int main()
23{
24    std::locale l = std::locale::classic();
25    {
26        std::string x1("1234");
27        std::string x2("12345");
28        const std::collate<char>& f = std::use_facet<std::collate<char> >(l);
29        assert(f.hash(x1.data(), x1.data() + x1.size())
30            != f.hash(x2.data(), x2.data() + x2.size()));
31    }
32    {
33        std::wstring x1(L"1234");
34        std::wstring x2(L"12345");
35        const std::collate<wchar_t>& f = std::use_facet<std::collate<wchar_t> >(l);
36        assert(f.hash(x1.data(), x1.data() + x1.size())
37            != f.hash(x2.data(), x2.data() + x2.size()));
38    }
39}
40