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

   1
   2 // Copyright 2012 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 #include "./config.hpp"
   7
   8 #ifdef BOOST_HASH_TEST_EXTENSIONS
   9 #  ifdef BOOST_HASH_TEST_STD_INCLUDES
  10 #    include <functional>
  11 #  else
  12 #    include <boost/container_hash/hash.hpp>
  13 #  endif
  14 #endif
  15
  16 #include <boost/config.hpp>
  17 #include <boost/core/lightweight_test.hpp>
  18
  19 #if defined(BOOST_HASH_TEST_EXTENSIONS) && !defined(BOOST_NO_CXX11_HDR_ARRAY)
  20 #define TEST_ARRAY
  21 #include <array>
  22 #include <vector>
  23 #endif
  24
  25 #ifdef TEST_ARRAY
  26
  27 template <typename T>
  28 void array_tests(T const& v) {
  29     boost::hash<typename T::value_type> hf;
  30     for(typename T::const_iterator i = v.begin(); i != v.end(); ++i) {
  31         for(typename T::const_iterator j = v.begin(); j != v.end(); ++j) {
  32             if (i != j)
  33                 BOOST_TEST(hf(*i) != hf(*j));
  34             else
  35                 BOOST_TEST(hf(*i) == hf(*j));
  36         }
  37     }
  38 }
  39
  40 void empty_array_test() {
  41 /*
  42     boost::hash<std::array<int, 0> > empty_array_hash;
  43     std::array<int, 0> empty_array;
  44     BOOST_TEST(empty_array_hash(empty_array) == boost::hash_value(empty_array));
  45 */
  46 }
  47
  48 void int_1_array_test()
  49 {
  50     std::vector<std::array<int, 1> > arrays;
  51     std::array<int, 1> val;
  52     val[0] = 0;
  53     arrays.push_back(val);
  54     val[0] = 1;
  55     arrays.push_back(val);
  56     val[0] = 2;
  57     arrays.push_back(val);
  58     array_tests(arrays);
  59 }
  60
  61 void string_1_array_test()
  62 {
  63     std::vector<std::array<std::string, 1> > arrays;
  64     std::array<std::string, 1> val;
  65     arrays.push_back(val);
  66     val[0] = "one";
  67     arrays.push_back(val);
  68     val[0] = "two";
  69     arrays.push_back(val);
  70     array_tests(arrays);
  71 }
  72
  73 void string_3_array_test()
  74 {
  75     std::vector<std::array<std::string,3 > > arrays;
  76     std::array<std::string, 3> val;
  77     arrays.push_back(val);
  78     val[0] = "one";
  79     arrays.push_back(val);
  80     val[0] = ""; val[1] = "one"; val[2] = "";
  81     arrays.push_back(val);
  82     val[0] = ""; val[1] = ""; val[2] = "one";
  83     arrays.push_back(val);
  84     val[0] = "one"; val[1] = "one"; val[2] = "one";
  85     arrays.push_back(val);
  86     val[0] = "one"; val[1] = "two"; val[2] = "three";
  87     arrays.push_back(val);
  88     array_tests(arrays);
  89 }
  90
  91 #endif // TEST_ARRAY
  92
  93 int main()
  94 {
  95 #ifdef TEST_ARRAY
  96     empty_array_test();
  97     int_1_array_test();
  98     string_1_array_test();
  99     string_3_array_test();
 100 #endif
 101
 102     return boost::report_errors();
 103 }