hash.pass.cpp revision 83e2c4d877fe2d7793868b1c6a5d9525a7c4d431 
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_byname
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
22#include "platform_support.h" // locale name macros
23
24int main()
25{
26    std::locale l(LOCALE_en_US_UTF_8);
27    {
28        std::string x1("1234");
29        std::string x2("12345");
30        const std::collate<char>& f = std::use_facet<std::collate<char> >(l);
31        assert(f.hash(x1.data(), x1.data() + x1.size())
32            != f.hash(x2.data(), x2.data() + x2.size()));
33    }
34    {
35        std::wstring x1(L"1234");
36        std::wstring x2(L"12345");
37        const std::collate<wchar_t>& f = std::use_facet<std::collate<wchar_t> >(l);
38        assert(f.hash(x1.data(), x1.data() + x1.size())
39            != f.hash(x2.data(), x2.data() + x2.size()));
40    }
41}
42