test/unit/queue/vyukov_mpmc_queue.cpp

   1 /*
   2     This file is a part of libcds - Concurrent Data Structures library
   3
   4     (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
   5
   6     Source code repo: http://github.com/khizmax/libcds/
   7     Download: http://sourceforge.net/projects/libcds/files/
   8
   9     Redistribution and use in source and binary forms, with or without
  10     modification, are permitted provided that the following conditions are met:
  11
  12     * Redistributions of source code must retain the above copyright notice, this
  13       list of conditions and the following disclaimer.
  14
  15     * Redistributions in binary form must reproduce the above copyright notice,
  16       this list of conditions and the following disclaimer in the documentation
  17       and/or other materials provided with the distribution.
  18
  19     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20     AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21     IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  23     FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24     DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  25     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  26     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  27     OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28     OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29 */
  30
  31 #include "test_bounded_queue.h"
  32
  33 #include <cds/container/vyukov_mpmc_cycle_queue.h>
  34
  35 namespace {
  36     namespace cc = cds::container;
  37
  38     class VyukovMPMCCycleQueue: public cds_test::bounded_queue
  39     {
  40     public:
  41         template <typename Queue>
  42         void test_single_consumer( Queue& q )
  43         {
  44             typedef typename Queue::value_type value_type;
  45
  46             const size_t nSize = q.capacity();
  47
  48             ASSERT_TRUE( q.empty());
  49             ASSERT_CONTAINER_SIZE( q, 0 );
  50
  51             // enqueue/dequeue
  52             for ( unsigned pass = 0; pass < 3; ++pass ) {
  53                 for ( size_t i = 0; i < nSize; ++i ) {
  54                     ASSERT_TRUE( q.enqueue( static_cast<value_type>( i )) );
  55                     ASSERT_CONTAINER_SIZE( q, i + 1 );
  56                 }
  57                 ASSERT_FALSE( q.empty());
  58                 ASSERT_CONTAINER_SIZE( q, nSize );
  59                 ASSERT_FALSE( q.enqueue( static_cast<value_type>( nSize ) * 2 ));
  60
  61                 for ( size_t i = 0; i < nSize; ++i ) {
  62                     value_type* fr = q.front();
  63                     ASSERT_TRUE( fr != nullptr );
  64                     ASSERT_EQ( *fr, static_cast<value_type>( i ));
  65                     ASSERT_TRUE( q.pop_front());
  66                     ASSERT_CONTAINER_SIZE( q, nSize - i - 1 );
  67                 }
  68                 ASSERT_TRUE( q.empty());
  69                 ASSERT_CONTAINER_SIZE( q, 0 );
  70
  71                 ASSERT_TRUE( q.front() == nullptr );
  72                 ASSERT_FALSE( q.pop_front());
  73             }
  74         }
  75     };
  76
  77     TEST_F( VyukovMPMCCycleQueue, defaulted )
  78     {
  79         typedef cds::container::VyukovMPMCCycleQueue< int > test_queue;
  80
  81         test_queue q( 128 );
  82         test(q);
  83     }
  84
  85     TEST_F( VyukovMPMCCycleQueue, stat )
  86     {
  87         struct traits: public cds::container::vyukov_queue::traits
  88         {
  89             typedef cds::opt::v::uninitialized_static_buffer<int, 128> buffer;
  90         };
  91         typedef cds::container::VyukovMPMCCycleQueue< int, traits > test_queue;
  92
  93         test_queue q;
  94         test( q );
  95     }
  96
  97     TEST_F( VyukovMPMCCycleQueue, stat_item_counting )
  98     {
  99
 100         typedef cds::container::VyukovMPMCCycleQueue< int,
 101             cds::container::vyukov_queue::make_traits<
 102                 cds::opt::buffer< cds::opt::v::uninitialized_static_buffer<int, 128>>
 103                 , cds::opt::item_counter< cds::atomicity::item_counter>
 104             >::type
 105         > test_queue;
 106
 107         test_queue q;
 108         test( q );
 109     }
 110
 111     TEST_F( VyukovMPMCCycleQueue, dynamic )
 112     {
 113         struct traits : public cds::container::vyukov_queue::traits
 114         {
 115             typedef cds::opt::v::uninitialized_dynamic_buffer<int> buffer;
 116         };
 117         typedef cds::container::VyukovMPMCCycleQueue< int, traits > test_queue;
 118
 119         test_queue q( 128 );
 120         test( q );
 121     }
 122
 123     TEST_F( VyukovMPMCCycleQueue, dynamic_item_counting )
 124     {
 125         typedef cds::container::VyukovMPMCCycleQueue< int,
 126             cds::container::vyukov_queue::make_traits<
 127                 cds::opt::buffer< cds::opt::v::uninitialized_dynamic_buffer<int>>
 128                 , cds::opt::item_counter< cds::atomicity::item_counter>
 129             >::type
 130         > test_queue;
 131
 132         test_queue q( 128 );
 133         test( q );
 134     }
 135
 136     TEST_F( VyukovMPMCCycleQueue, dynamic_padding )
 137     {
 138         struct traits : public cds::container::vyukov_queue::traits
 139         {
 140             typedef cds::opt::v::uninitialized_dynamic_buffer<int> buffer;
 141             enum { padding = 64 };
 142         };
 143         typedef cds::container::VyukovMPMCCycleQueue< int, traits > test_queue;
 144
 145         test_queue q( 128 );
 146         test( q );
 147     }
 148
 149     TEST_F( VyukovMPMCCycleQueue, move )
 150     {
 151         typedef cds::container::VyukovMPMCCycleQueue< std::string > test_queue;
 152
 153         test_queue q( 128 );
 154         test_string( q );
 155     }
 156
 157     TEST_F( VyukovMPMCCycleQueue, move_item_counting )
 158     {
 159         struct traits : public cds::container::vyukov_queue::traits
 160         {
 161             typedef cds::atomicity::item_counter item_counter;
 162         };
 163         typedef cds::container::VyukovMPMCCycleQueue< std::string, traits > test_queue;
 164
 165         test_queue q( 128 );
 166         test_string( q );
 167     }
 168
 169     TEST_F( VyukovMPMCCycleQueue, single_consumer )
 170     {
 171         struct traits: public cds::container::vyukov_queue::traits
 172         {
 173             enum: bool { single_consumer = true };
 174         };
 175         typedef cds::container::VyukovMPMCCycleQueue< int, traits > test_queue;
 176
 177         test_queue q( 128 );
 178         test( q );
 179         test_single_consumer( q );
 180     }
 181
 182 } // namespace
 183