tests/test-hdr/misc/hash_tuple.cpp

   1 //$$CDS-header$$
   2
   3 #include <cds/opt/hash.h>
   4
   5 #include "cppunit/cppunit_proxy.h"
   6
   7 namespace misc {
   8     namespace {
   9         typedef cds::opt::v::hash_selector< cds::opt::none >::type hashing;
  10
  11 #define HASHING(_n) \
  12         struct hash##_n: public hashing { \
  13             template <typename T> size_t operator()( T const& v ) const { return hashing::operator()(v) + _n ; } \
  14         };
  15
  16         HASHING(2)
  17         HASHING(3)
  18         HASHING(4)
  19         HASHING(5)
  20         HASHING(6)
  21         HASHING(7)
  22         HASHING(8)
  23         HASHING(9)
  24         HASHING(10)
  25 #undef HASHING
  26     }
  27
  28     class HashTuple: public CppUnitMini::TestCase
  29     {
  30         void test()
  31         {
  32             int nVal = 5;
  33             size_t nHash = hashing()(nVal);
  34
  35             size_t val[16];
  36
  37             cds::opt::hash< std::tuple< hashing, hash2 > >::pack<cds::opt::none>::hash  h2;
  38             h2( val, nVal );
  39             CPPUNIT_ASSERT( val[0] == nHash );
  40             CPPUNIT_ASSERT( val[1] == nHash + 2 );
  41
  42             cds::opt::hash< std::tuple< hashing, hash2, hash3 > >::pack<cds::opt::none>::hash  h3;
  43             h3( val, nVal );
  44             CPPUNIT_ASSERT( val[0] == nHash );
  45             CPPUNIT_ASSERT( val[1] == nHash + 2 );
  46             CPPUNIT_ASSERT( val[2] == nHash + 3 );
  47
  48             cds::opt::hash< std::tuple< hashing, hash2, hash3, hash4 > >::pack<cds::opt::none>::hash  h4;
  49             h4( val, nVal );
  50             CPPUNIT_ASSERT( val[0] == nHash );
  51             CPPUNIT_ASSERT( val[1] == nHash + 2 );
  52             CPPUNIT_ASSERT( val[2] == nHash + 3 );
  53             CPPUNIT_ASSERT( val[3] == nHash + 4 );
  54
  55             cds::opt::hash< std::tuple< hashing, hash2, hash3, hash4, hash5 > >::pack<cds::opt::none>::hash  h5;
  56             h5( val, nVal );
  57             CPPUNIT_ASSERT( val[0] == nHash );
  58             CPPUNIT_ASSERT( val[1] == nHash + 2 );
  59             CPPUNIT_ASSERT( val[2] == nHash + 3 );
  60             CPPUNIT_ASSERT( val[3] == nHash + 4 );
  61             CPPUNIT_ASSERT( val[4] == nHash + 5 );
  62
  63 #if !((CDS_COMPILER == CDS_COMPILER_MSVC || CDS_COMPILER == CDS_COMPILER_INTEL) && _MSC_VER == 1700)
  64             // MS VC 11: std::tuple suports up to 5 template params only
  65
  66             cds::opt::hash< std::tuple< hashing, hash2, hash3, hash4, hash5, hash6 > >::pack<cds::opt::none>::hash  h6;
  67             h6( val, nVal );
  68             CPPUNIT_ASSERT( val[0] == nHash );
  69             CPPUNIT_ASSERT( val[1] == nHash + 2 );
  70             CPPUNIT_ASSERT( val[2] == nHash + 3 );
  71             CPPUNIT_ASSERT( val[3] == nHash + 4 );
  72             CPPUNIT_ASSERT( val[4] == nHash + 5 );
  73             CPPUNIT_ASSERT( val[5] == nHash + 6 );
  74
  75             cds::opt::hash< std::tuple< hashing, hash2, hash3, hash4, hash5, hash6, hash7 > >::pack<cds::opt::none>::hash  h7;
  76             h7( val, nVal );
  77             CPPUNIT_ASSERT( val[0] == nHash );
  78             CPPUNIT_ASSERT( val[1] == nHash + 2 );
  79             CPPUNIT_ASSERT( val[2] == nHash + 3 );
  80             CPPUNIT_ASSERT( val[3] == nHash + 4 );
  81             CPPUNIT_ASSERT( val[4] == nHash + 5 );
  82             CPPUNIT_ASSERT( val[5] == nHash + 6 );
  83             CPPUNIT_ASSERT( val[6] == nHash + 7 );
  84
  85             cds::opt::hash< std::tuple< hashing, hash2, hash3, hash4, hash5, hash6, hash7, hash8 > >::pack<cds::opt::none>::hash  h8;
  86             h8( val, nVal );
  87             CPPUNIT_ASSERT( val[0] == nHash );
  88             CPPUNIT_ASSERT( val[1] == nHash + 2 );
  89             CPPUNIT_ASSERT( val[2] == nHash + 3 );
  90             CPPUNIT_ASSERT( val[3] == nHash + 4 );
  91             CPPUNIT_ASSERT( val[4] == nHash + 5 );
  92             CPPUNIT_ASSERT( val[5] == nHash + 6 );
  93             CPPUNIT_ASSERT( val[6] == nHash + 7 );
  94             CPPUNIT_ASSERT( val[7] == nHash + 8 );
  95
  96             cds::opt::hash< std::tuple< hashing, hash2, hash3, hash4, hash5, hash6, hash7, hash8, hash9 > >::pack<cds::opt::none>::hash  h9;
  97             h9( val, nVal );
  98             CPPUNIT_ASSERT( val[0] == nHash );
  99             CPPUNIT_ASSERT( val[1] == nHash + 2 );
 100             CPPUNIT_ASSERT( val[2] == nHash + 3 );
 101             CPPUNIT_ASSERT( val[3] == nHash + 4 );
 102             CPPUNIT_ASSERT( val[4] == nHash + 5 );
 103             CPPUNIT_ASSERT( val[5] == nHash + 6 );
 104             CPPUNIT_ASSERT( val[6] == nHash + 7 );
 105             CPPUNIT_ASSERT( val[7] == nHash + 8 );
 106             CPPUNIT_ASSERT( val[8] == nHash + 9 );
 107
 108             cds::opt::hash< std::tuple< hashing, hash2, hash3, hash4, hash5, hash6, hash7, hash8, hash9, hash10 > >::pack<cds::opt::none>::hash  h10;
 109             h10( val, nVal );
 110             CPPUNIT_ASSERT( val[0] == nHash );
 111             CPPUNIT_ASSERT( val[1] == nHash + 2 );
 112             CPPUNIT_ASSERT( val[2] == nHash + 3 );
 113             CPPUNIT_ASSERT( val[3] == nHash + 4 );
 114             CPPUNIT_ASSERT( val[4] == nHash + 5 );
 115             CPPUNIT_ASSERT( val[5] == nHash + 6 );
 116             CPPUNIT_ASSERT( val[6] == nHash + 7 );
 117             CPPUNIT_ASSERT( val[7] == nHash + 8 );
 118             CPPUNIT_ASSERT( val[8] == nHash + 9 );
 119             CPPUNIT_ASSERT( val[9] == nHash + 10 );
 120 #endif
 121         }
 122
 123     public:
 124         CPPUNIT_TEST_SUITE(HashTuple)
 125             CPPUNIT_TEST( test )
 126         CPPUNIT_TEST_SUITE_END()
 127
 128     };
 129 } // namespace misc
 130
 131 CPPUNIT_TEST_SUITE_REGISTRATION(misc::HashTuple);