ceph/src/boost/libs/container_hash/test/hash_value_array_test.cpp

   1
   2 // Copyright 2005-2009 Daniel James.
   3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 // On some compilers hash_value isn't available for arrays, so I test it
   7 // separately from the main array tests.
   8
   9 #include "./config.hpp"
  10
  11 #ifdef BOOST_HASH_TEST_EXTENSIONS
  12 #  ifdef BOOST_HASH_TEST_STD_INCLUDES
  13 #    include <functional>
  14 #  else
  15 #    include <boost/container_hash/hash.hpp>
  16 #  endif
  17 #endif
  18
  19 #include <boost/core/lightweight_test.hpp>
  20
  21 #ifdef BOOST_HASH_TEST_EXTENSIONS
  22
  23 void array_int_test()
  24 {
  25     const int array1[25] = {
  26         26, -43, 32, 65, 45,
  27         12, 67, 32, 12, 23,
  28         0, 0, 0, 0, 0,
  29         8, -12, 23, 65, 45,
  30         -1, 93, -54, 987, 3
  31     };
  32     BOOST_HASH_TEST_NAMESPACE::hash<int[25]> hasher1;
  33
  34     int array2[1] = {3};
  35     BOOST_HASH_TEST_NAMESPACE::hash<int[1]> hasher2;
  36
  37     int array3[2] = {2, 3};
  38     BOOST_HASH_TEST_NAMESPACE::hash<int[2]> hasher3;
  39
  40     BOOST_TEST(hasher1(array1) == BOOST_HASH_TEST_NAMESPACE::hash_value(array1));
  41     BOOST_TEST(hasher2(array2) == BOOST_HASH_TEST_NAMESPACE::hash_value(array2));
  42     BOOST_TEST(hasher3(array3) == BOOST_HASH_TEST_NAMESPACE::hash_value(array3));
  43 }
  44
  45 void two_dimensional_array_test()
  46 {
  47     int array[3][2] = {{-5, 6}, {7, -3}, {26, 1}};
  48     BOOST_HASH_TEST_NAMESPACE::hash<int[3][2]> hasher;
  49
  50     BOOST_TEST(hasher(array) == BOOST_HASH_TEST_NAMESPACE::hash_value(array));
  51 }
  52
  53 #endif
  54
  55 int main()
  56 {
  57 #ifdef BOOST_HASH_TEST_EXTENSIONS
  58     array_int_test();
  59     two_dimensional_array_test();
  60 #endif
  61
  62     return boost::report_errors();
  63 }
  64