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diff --git a/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/test/unit/set/test_feldman_hashset_rcu.h b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/test/unit/set/test_feldman_hashset_rcu.h
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+++ b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/test/unit/set/test_feldman_hashset_rcu.h
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+/*
+    This file is a part of libcds - Concurrent Data Structures library
+
+    (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
+
+    Source code repo: http://github.com/khizmax/libcds/
+    Download: http://sourceforge.net/projects/libcds/files/
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice, this
+      list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef CDSUNIT_SET_TEST_FELDMAN_HASHSET_RCU_H
+#define CDSUNIT_SET_TEST_FELDMAN_HASHSET_RCU_H
+
+#include "test_feldman_hashset.h"
+
+#include <cds/container/feldman_hashset_rcu.h>
+
+namespace {
+
+    namespace cc = cds::container;
+
+    template <typename RCU>
+    class FeldmanHashSet: public cds_test::feldman_hashset
+    {
+        typedef cds_test::feldman_hashset base_class;
+
+    protected:
+        typedef cds::urcu::gc<RCU> rcu_type;
+
+        template <typename Set>
+        void test( Set& s )
+        {
+            // Precondition: set is empty
+            // Postcondition: set is empty
+
+            ASSERT_TRUE( s.empty());
+            ASSERT_CONTAINER_SIZE( s, 0 );
+
+            base_class::test( s );
+
+            typedef typename Set::value_type value_type;
+
+            size_t const nSetSize = kSize;
+            std::vector< value_type > data;
+            std::vector< size_t> indices;
+            data.reserve( kSize );
+            indices.reserve( kSize );
+            for ( size_t key = 0; key < kSize; ++key ) {
+                data.push_back( value_type( static_cast<int>(key)));
+                indices.push_back( key );
+            }
+            shuffle( indices.begin(), indices.end());
+
+            for ( auto& i : data ) {
+                ASSERT_TRUE( s.insert( i ));
+            }
+            ASSERT_FALSE( s.empty());
+            ASSERT_CONTAINER_SIZE( s, nSetSize );
+
+            typedef typename Set::rcu_lock rcu_lock;
+
+            // iterator test
+            {
+                rcu_lock l;
+
+                for ( auto it = s.begin(); it != s.end(); ++it ) {
+                    it->nFindCount = it->key() * 3;
+                }
+
+                for ( auto it = s.cbegin(); it != s.cend(); ++it ) {
+                    EXPECT_EQ( it->nFindCount, static_cast<size_t>( it->key() * 3 ));
+                }
+
+                for ( auto it = s.rbegin(); it != s.rend(); ++it ) {
+                    it->nFindCount = it->key() * 2;
+                }
+
+                for ( auto it = s.crbegin(); it != s.crend(); ++it ) {
+                    EXPECT_EQ( it->nFindCount, static_cast<size_t>( it->key() * 2 ));
+                }
+            }
+
+            typedef typename Set::exempt_ptr exempt_ptr;
+
+            // get()
+            for ( auto idx : indices ) {
+                auto& i = data[idx];
+
+                {
+                    rcu_lock l;
+                    value_type * p = s.get( i.key());
+                    ASSERT_TRUE( p != nullptr );
+                    EXPECT_EQ( p->key(), i.key());
+                    EXPECT_EQ( p->nFindCount, static_cast<size_t>( i.key() * 2 ));
+                    p->nFindCount *= 2;
+                }
+            }
+
+            // extract()
+            exempt_ptr xp;
+            for ( auto idx : indices ) {
+                auto& i = data[idx];
+
+                ASSERT_TRUE( !xp );
+                xp = s.extract( i.key());
+                ASSERT_FALSE( !xp );
+                EXPECT_EQ( xp->key(), i.key());
+                EXPECT_EQ( xp->nFindCount, static_cast<size_t>( i.key() * 4 ));
+
+                xp = s.extract( i.key());
+                ASSERT_TRUE( !xp );
+
+                {
+                    rcu_lock l;
+                    value_type * p = s.get( i.key());
+                    EXPECT_TRUE( p == nullptr );
+                }
+            }
+
+            ASSERT_TRUE( s.empty());
+            ASSERT_CONTAINER_SIZE( s, 0 );
+        }
+
+        void SetUp()
+        {
+            RCU::Construct();
+            cds::threading::Manager::attachThread();
+        }
+
+        void TearDown()
+        {
+            cds::threading::Manager::detachThread();
+            RCU::Destruct();
+        }
+    };
+
+    TYPED_TEST_CASE_P( FeldmanHashSet );
+
+    TYPED_TEST_P( FeldmanHashSet, defaulted )
+    {
+        typedef typename TestFixture::rcu_type rcu_type;
+        typedef typename TestFixture::int_item int_item;
+        typedef typename TestFixture::get_hash get_hash;
+
+        typedef cc::FeldmanHashSet< rcu_type, int_item,
+            typename cc::feldman_hashset::make_traits<
+                cc::feldman_hashset::hash_accessor< get_hash >
+            >::type
+        > set_type;
+
+        set_type s;
+        this->test( s );
+    }
+
+    TYPED_TEST_P( FeldmanHashSet, compare )
+    {
+        typedef typename TestFixture::rcu_type rcu_type;
+        typedef typename TestFixture::int_item int_item;
+        typedef typename TestFixture::get_hash get_hash;
+
+        typedef cc::FeldmanHashSet< rcu_type, int_item,
+            typename cc::feldman_hashset::make_traits<
+                cc::feldman_hashset::hash_accessor< get_hash >
+                , cds::opt::compare<  typename TestFixture::cmp >
+            >::type
+        > set_type;
+
+        set_type s( 4, 5 );
+        this->test( s );
+    }
+
+    TYPED_TEST_P( FeldmanHashSet, less )
+    {
+        typedef typename TestFixture::rcu_type rcu_type;
+        typedef typename TestFixture::int_item int_item;
+        typedef typename TestFixture::get_hash get_hash;
+
+        typedef cc::FeldmanHashSet< rcu_type, int_item,
+            typename cc::feldman_hashset::make_traits<
+                cc::feldman_hashset::hash_accessor< get_hash >
+                , cds::opt::less< std::less<int> >
+            >::type
+        > set_type;
+
+        set_type s( 3, 2 );
+        this->test( s );
+    }
+
+    TYPED_TEST_P( FeldmanHashSet, cmpmix )
+    {
+        typedef typename TestFixture::rcu_type rcu_type;
+        typedef typename TestFixture::int_item int_item;
+        typedef typename TestFixture::get_hash get_hash;
+
+        typedef cc::FeldmanHashSet< rcu_type, int_item,
+            typename cc::feldman_hashset::make_traits<
+                cc::feldman_hashset::hash_accessor< get_hash >
+                , cds::opt::less< std::less<int> >
+                , cds::opt::compare<  typename TestFixture::cmp >
+            >::type
+        > set_type;
+
+        set_type s( 4, 4 );
+        this->test( s );
+    }
+
+    TYPED_TEST_P( FeldmanHashSet, item_counting )
+    {
+        typedef typename TestFixture::rcu_type rcu_type;
+        typedef typename TestFixture::int_item int_item;
+        typedef typename TestFixture::get_hash get_hash;
+
+        struct set_traits: public cc::feldman_hashset::traits
+        {
+            typedef get_hash hash_accessor;
+            typedef typename TestFixture::cmp compare;
+            typedef std::less<int> less;
+            typedef typename TestFixture::simple_item_counter item_counter;
+        };
+        typedef cc::FeldmanHashSet< rcu_type, int_item, set_traits > set_type;
+
+        set_type s( 3, 3 );
+        this->test( s );
+    }
+
+    TYPED_TEST_P( FeldmanHashSet, backoff )
+    {
+        typedef typename TestFixture::rcu_type rcu_type;
+        typedef typename TestFixture::int_item int_item;
+        typedef typename TestFixture::get_hash get_hash;
+
+        struct set_traits: public cc::feldman_hashset::traits
+        {
+            typedef get_hash hash_accessor;
+            typedef typename TestFixture::cmp compare;
+            typedef cds::atomicity::item_counter item_counter;
+            typedef cds::backoff::yield back_off;
+        };
+        typedef cc::FeldmanHashSet< rcu_type, int_item, set_traits > set_type;
+
+        set_type s( 8, 2 );
+        this->test( s );
+    }
+
+    TYPED_TEST_P( FeldmanHashSet, stat )
+    {
+        typedef typename TestFixture::rcu_type rcu_type;
+        typedef typename TestFixture::int_item int_item;
+        typedef typename TestFixture::get_hash get_hash;
+
+        struct set_traits: public cc::feldman_hashset::traits
+        {
+            typedef get_hash hash_accessor;
+            typedef cds::backoff::yield back_off;
+            typedef cc::feldman_hashset::stat<> stat;
+        };
+        typedef cc::FeldmanHashSet< rcu_type, int_item, set_traits > set_type;
+
+        set_type s( 1, 1 );
+        this->test( s );
+    }
+
+    TYPED_TEST_P( FeldmanHashSet, explicit_hash_size )
+    {
+        typedef typename TestFixture::rcu_type rcu_type;
+        typedef typename TestFixture::int_item2 int_item;
+        typedef typename TestFixture::get_hash2 get_hash2;
+
+        struct set_traits: public cc::feldman_hashset::traits
+        {
+            enum: size_t {
+                hash_size = sizeof( std::declval<int_item>().nKey )
+            };
+            typedef get_hash2 hash_accessor;
+            typedef typename TestFixture::cmp2 compare;
+            typedef cc::feldman_hashset::stat<> stat;
+        };
+        typedef cc::FeldmanHashSet< rcu_type, int_item, set_traits > set_type;
+
+        set_type s( 8, 4 );
+        this->test( s );
+    }
+
+    TYPED_TEST_P( FeldmanHashSet, byte_cut )
+    {
+        typedef typename TestFixture::rcu_type rcu_type;
+        typedef typename TestFixture::int_item int_item;
+        typedef typename TestFixture::get_hash get_hash;
+
+        typedef cc::FeldmanHashSet< rcu_type, int_item,
+            typename cc::feldman_hashset::make_traits<
+                cc::feldman_hashset::hash_accessor< get_hash >
+                , cc::feldman_hashset::hash_splitter< cds::algo::byte_splitter< int >>
+                , cds::opt::less< std::less<int> >
+            >::type
+        > set_type;
+
+        set_type s( 8, 8 );
+        this->test( s );
+    }
+
+    TYPED_TEST_P( FeldmanHashSet, byte_cut_explicit_hash_size )
+    {
+        typedef typename TestFixture::rcu_type rcu_type;
+        typedef typename TestFixture::int_item2 int_item;
+        typedef typename TestFixture::get_hash2 get_hash2;
+
+        struct set_traits: public cc::feldman_hashset::traits
+        {
+            enum: size_t {
+                hash_size = sizeof( std::declval<int_item>().nKey )
+            };
+            typedef cds::algo::byte_splitter< typename TestFixture::key_val, hash_size > hash_splitter;
+            typedef get_hash2 hash_accessor;
+            typedef typename TestFixture::cmp2 compare;
+            typedef cc::feldman_hashset::stat<> stat;
+        };
+        typedef cc::FeldmanHashSet< rcu_type, int_item, set_traits > set_type;
+
+        set_type s( 8, 8 );
+        this->test( s );
+    }
+
+    // GCC 5: All test names should be written on single line, otherwise a runtime error will be encountered like as
+    // "No test named <test_name> can be found in this test case"
+    REGISTER_TYPED_TEST_CASE_P( FeldmanHashSet,
+        defaulted, compare, less, cmpmix, item_counting, backoff, stat, explicit_hash_size, byte_cut, byte_cut_explicit_hash_size
+        );
+} // namespace
+
+#endif // CDSUNIT_SET_TEST_FELDMAN_HASHSET_RCU_H