external/bsd/libc++/dist/libcxx/test/extensions/hash/specializations.pass.cpp

   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 #include <assert.h>
  11 #include <ext/hash_map>
  12 #include <string>
  13
  14 int main()
  15 {
  16     char str[] = "test";
  17     assert(__gnu_cxx::hash<const char *>()("test") ==
  18            std::hash<std::string>()("test"));
  19     assert(__gnu_cxx::hash<char *>()(str) == std::hash<std::string>()("test"));
  20     assert(__gnu_cxx::hash<char>()(42) == 42);
  21     assert(__gnu_cxx::hash<signed char>()(42) == 42);
  22     assert(__gnu_cxx::hash<unsigned char>()(42) == 42);
  23     assert(__gnu_cxx::hash<short>()(42) == 42);
  24     assert(__gnu_cxx::hash<unsigned short>()(42) == 42);
  25     assert(__gnu_cxx::hash<int>()(42) == 42);
  26     assert(__gnu_cxx::hash<unsigned int>()(42) == 42);
  27     assert(__gnu_cxx::hash<long>()(42) == 42);
  28     assert(__gnu_cxx::hash<unsigned long>()(42) == 42);
  29 }