Migrated set unit test to gtest framework
authorkhizmax <khizmax@gmail.com>
Tue, 15 Mar 2016 15:52:56 +0000 (18:52 +0300)
committerkhizmax <khizmax@gmail.com>
Tue, 15 Mar 2016 15:52:56 +0000 (18:52 +0300)
projects/Win/vc14/gtest-set.vcxproj
projects/Win/vc14/gtest-set.vcxproj.filters
test/unit/set/test_set.h [new file with mode: 0644]
test/unit/set/test_set_hp.h [new file with mode: 0644]

index fb2007f782a3b18c6ddcaace8ddbdf83111f3014..f8bdc4a11e52a0f1b36f1bf375818591bcf591ff 100644 (file)
     <ClInclude Include="..\..\..\test\unit\set\test_intrusive_skiplist_rcu.h" />\r
     <ClInclude Include="..\..\..\test\unit\set\test_intrusive_split_lazy_rcu.h" />\r
     <ClInclude Include="..\..\..\test\unit\set\test_intrusive_split_michael_rcu.h" />\r
+    <ClInclude Include="..\..\..\test\unit\set\test_set.h" />\r
+    <ClInclude Include="..\..\..\test\unit\set\test_set_hp.h" />\r
   </ItemGroup>\r
   <PropertyGroup Label="Globals">\r
     <ProjectGuid>{A589D3F1-A749-4268-ADEC-D0CE13D1E359}</ProjectGuid>\r
index 2b8ca4db38e4aa78d5ed594d37a35f816901ca56..61ad779e638e2a47e2591722db01e2015e60748d 100644 (file)
     <ClInclude Include="..\..\..\test\unit\set\test_intrusive_feldman_hashset_rcu.h">\r
       <Filter>Header Files</Filter>\r
     </ClInclude>\r
+    <ClInclude Include="..\..\..\test\unit\set\test_set.h">\r
+      <Filter>Header Files</Filter>\r
+    </ClInclude>\r
+    <ClInclude Include="..\..\..\test\unit\set\test_set_hp.h">\r
+      <Filter>Header Files</Filter>\r
+    </ClInclude>\r
   </ItemGroup>\r
 </Project>
\ No newline at end of file
diff --git a/test/unit/set/test_set.h b/test/unit/set/test_set.h
new file mode 100644 (file)
index 0000000..e6cd254
--- /dev/null
@@ -0,0 +1,509 @@
+/*
+    This file is a part of libcds - Concurrent Data Structures library
+
+    (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016
+
+    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_SET_H
+#define CDSUNIT_SET_TEST_SET_H
+
+#include <cds_test/check_size.h>
+#include <cds_test/fixture.h>
+
+#include <cds/opt/hash.h>
+#include <functional>   // ref
+
+// forward declaration
+namespace cds { namespace container {}}
+
+namespace cds_test {
+    namespace cc = cds::container;
+    namespace co = cds::opt;
+
+    class container_set : public fixture
+    {
+    public:
+        static size_t const kSize = 100;
+
+        struct stat
+        {
+            unsigned int nFindCount;
+            unsigned int nUpdateNewCount;
+            unsigned int nUpdateCount;
+            mutable unsigned int nEraseCount;
+
+            stat()
+            {
+                clear_stat();
+            }
+
+            void clear_stat()
+            {
+                memset( this, 0, sizeof( *this ) );
+            }
+        };
+
+        struct other_item {
+            int nKey;
+
+            explicit other_item( int k )
+                : nKey( k )
+            {}
+
+            int key() const
+            {
+                return nKey;
+            }
+        };
+
+        struct int_item
+        {
+            int nKey;
+            int nVal;
+            std::string strVal;
+
+            int_item()
+                : nKey( 0 )
+                , nVal( 0 )
+            {}
+
+            explicit int_item( int k )
+                : nKey( k )
+                , nVal( k * 2 )
+            {}
+
+            template <typename Q>
+            explicit int_item( Q const& src )
+                : nKey( src.key() )
+                , nVal( 0 )
+            {}
+
+            int_item( int_item const& src )
+                : nKey( src.nKey )
+                , nVal( src.nVal )
+                , strVal( src.strVal )
+            {}
+
+            int_item( int_item&& src )
+                : nKey( src.nKey )
+                , nVal( src.nVal )
+                , strVal( std::move( src.strVal ) )
+            {}
+
+            int_item( int k, std::string&& s )
+                : nKey( k )
+                , nVal( k * 2 )
+                , strVal( std::move( s ) )
+            {}
+
+            explicit int_item( other_item const& s )
+                : nKey( s.key() )
+                , nVal( s.key() * 2 )
+            {}
+
+            int key() const
+            {
+                return nKey;
+            }
+        };
+
+        struct hash_int {
+            size_t operator()( int i ) const
+            {
+                return co::v::hash<int>()(i);
+            }
+            template <typename Item>
+            size_t operator()( const Item& i ) const
+            {
+                return (*this)(i.key());
+            }
+        };
+
+        struct simple_item_counter {
+            size_t  m_nCount;
+
+            simple_item_counter()
+                : m_nCount( 0 )
+            {}
+
+            size_t operator ++()
+            {
+                return ++m_nCount;
+            }
+
+            size_t operator --()
+            {
+                return --m_nCount;
+            }
+
+            void reset()
+            {
+                m_nCount = 0;
+            }
+
+            operator size_t() const
+            {
+                return m_nCount;
+            }
+
+        };
+
+        struct less
+        {
+            bool operator ()( int_item const& v1, int_item const& v2 ) const
+            {
+                return v1.key() < v2.key();
+            }
+
+            template <typename Q>
+            bool operator ()( int_item const& v1, const Q& v2 ) const
+            {
+                return v1.key() < v2;
+            }
+
+            template <typename Q>
+            bool operator ()( const Q& v1, int_item const& v2 ) const
+            {
+                return v1 < v2.key();
+            }
+        };
+
+        struct cmp {
+            int operator ()( int_item const& v1, int_item const& v2 ) const
+            {
+                if ( v1.key() < v2.key() )
+                    return -1;
+                return v1.key() > v2.key() ? 1 : 0;
+            }
+
+            template <typename T, typename Q>
+            int operator ()( T const& v1, const Q& v2 ) const
+            {
+                if ( v1.key() < v2 )
+                    return -1;
+                return v1.key() > v2 ? 1 : 0;
+            }
+
+            template <typename T, typename Q>
+            int operator ()( const Q& v1, T const& v2 ) const
+            {
+                if ( v1 < v2.key() )
+                    return -1;
+                return v1 > v2.key() ? 1 : 0;
+            }
+        };
+
+        struct other_less {
+            template <typename Q, typename T>
+            bool operator()( Q const& lhs, T const& rhs ) const
+            {
+                return lhs.key() < rhs.key();
+            }
+        };
+
+    protected:
+        template <typename Set>
+        void test( Set& s )
+        {
+            // Precondition: set is empty
+            // Postcondition: set is empty
+
+            ASSERT_TRUE( s.empty() );
+            ASSERT_CONTAINER_SIZE( s, 0 );
+            size_t const nSetSize = kSize;
+
+            typedef typename Set::value_type value_type;
+
+            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() );
+
+            // insert/find
+            for ( auto idx : indices ) {
+                auto& i = data[idx];
+
+                ASSERT_FALSE( s.contains( i.nKey ) );
+                ASSERT_FALSE( s.contains( i ) );
+                ASSERT_FALSE( s.contains( other_item( i.key() ), other_less()));
+                ASSERT_FALSE( s.find( i.nKey, []( value_type&, int ) {} ));
+                ASSERT_FALSE( s.find( i, []( value_type&, value_type const& ) {} ));
+                ASSERT_FALSE( s.find_with( other_item( i.key()), other_less(), []( value_type&, other_item const& ) {} ));
+
+                std::pair<bool, bool> updResult;
+
+                std::string str;
+                updResult = s.update( i.key(), []( bool bNew, value_type&, int )
+                {
+                    ASSERT_TRUE( false );
+                }, false );
+                EXPECT_FALSE( updResult.first );
+                EXPECT_FALSE( updResult.second );
+
+                switch ( idx % 8 ) {
+                case 0:
+                    ASSERT_TRUE( s.insert( i ));
+                    ASSERT_FALSE( s.insert( i ));
+                    updResult = s.update( i, []( bool bNew, value_type& val, value_type& arg) 
+                        {
+                            EXPECT_FALSE( bNew );
+                            EXPECT_EQ( &val, &arg );
+                        }, false );
+                    EXPECT_TRUE( updResult.first );
+                    EXPECT_FALSE( updResult.second );
+                    break;
+                case 1:
+                    ASSERT_TRUE( s.insert( i.key() ));
+                    ASSERT_FALSE( s.insert( i.key() ));
+                    updResult = s.update( i.key(), []( bool bNew, value_type& val, int arg) 
+                        {
+                            EXPECT_FALSE( bNew );
+                            EXPECT_EQ( &val, &arg );
+                        }, false );
+                    EXPECT_TRUE( updResult.first );
+                    EXPECT_FALSE( updResult.second );
+                    break;
+                case 2:
+                    ASSERT_TRUE( s.insert( i, []( value_type& v ) { ++v.nFindCount; } ));
+                    ASSERT_FALSE( s.insert( i, []( value_type& v ) { ++v.nFindCount; } ));
+                    ASSERT_TRUE( s.find( i.nKey, []( value_type const& V, int key ) 
+                        {
+                            EXPECT_EQ( v.key(), key );
+                            EXPECT_EQ( v.nFindCount, 1 );
+                        }));
+                    break;
+                case 3:
+                    ASSERT_TRUE( s.insert( i.key(), []( value_type& v ) { ++v.nFindCount; } ));
+                    ASSERT_FALSE( s.insert( i.key(), []( value_type& v ) { ++v.nFindCount; } ));
+                    ASSERT_TRUE( s.find( i.nKey, []( value_type const& V, int key ) 
+                        {
+                            EXPECT_EQ( v.key(), key );
+                            EXPECT_EQ( v.nFindCount, 1 );
+                        }));
+                    break;
+                case 4:
+                    updResult = s.update( i, []( bool bNew, value_type& v, value_type const& arg )
+                        {
+                            EXPECT_TRUE( bNew );
+                            EXPECT_EQ( v.key(), arg.key() );
+                            ++v.nUpdateNewCount;
+                        });
+                    EXPECT_TRUE( updResult.first );
+                    EXPECT_TRUE( updResult.second );
+
+                    updResult = s.update( i, []( bool bNew, value_type& v, value_type const& arg )
+                        {
+                            EXPECT_TRUE( bNew );
+                            EXPECT_EQ( v.key(), arg.key() );
+                            ++v.nUpdateNewCount;
+                        } ), false );
+                    EXPECT_TRUE( updResult.first );
+                    EXPECT_FALSE( updResult.second );
+
+                    ASSERT_TRUE( s.find( i.nKey, []( value_type const& V, int key )
+                        {
+                            EXPECT_EQ( v.key(), key );
+                            EXPECT_EQ( v.nFindCount, 2 );
+                        }));
+                    break;
+                case 5:
+                    updResult = s.update( i.key(), []( bool bNew, value_type& v, int arg )
+                        {
+                            EXPECT_TRUE( bNew );
+                            EXPECT_EQ( v.key(), arg );
+                            ++v.nUpdateNewCount;
+                        });
+                    EXPECT_TRUE( updResult.first );
+                    EXPECT_TRUE( updResult.second );
+
+                    updResult = s.update( i.key(), []( bool bNew, value_type& v, int arg )
+                        {
+                            EXPECT_TRUE( bNew );
+                            EXPECT_EQ( v.key(), arg );
+                            ++v.nUpdateNewCount;
+                        } ), false );
+                    EXPECT_TRUE( updResult.first );
+                    EXPECT_FALSE( updResult.second );
+
+                    ASSERT_TRUE( s.find( i, []( value_type const& V, value_type const& arg )
+                        {
+                            EXPECT_EQ( v.key(), arg.key() );
+                            EXPECT_EQ( v.nFindCount, 2 );
+                        }));
+                    break;
+                case 6:
+                    ASSERT_TRUE( s.emplace( i.key()));
+                    ASSERT_TRUE( s.find( i, []( value_type const& V, value_type const& arg )
+                        {
+                            EXPECT_EQ( v.key(), arg.key() );
+                            EXPECT_EQ( v.nVal, arg.nVal );
+                        }));
+                    break;
+                case 7:
+                    str = "Hello!";
+                    ASSERT_TRUE( s.emplace( i.key(), std::move( str )));
+                    EXPECT_TRUE( str.empty());
+                    ASSERT_TRUE( s.find( i, []( value_type const& V, value_type const& arg )
+                        {
+                            EXPECT_EQ( v.key(), arg.key() );
+                            EXPECT_EQ( v.nVal, arg.nVal );
+                            EXPECT_EQ( v.strVal, std::string( "Hello!" ));
+                        } ) );
+                    break;
+                default:
+                    // forgot anything?..
+                    ASSERT_TRUE( false );
+                }
+
+                ASSERT_TRUE( s.contains( i.nKey ) );
+                ASSERT_TRUE( s.contains( i ) );
+                ASSERT_TRUE( s.contains( other_item( i.key() ), other_less() ) );
+                ASSERT_TRUE( s.find( i.nKey, []( value_type&, int ) {} ) );
+                ASSERT_TRUE( s.find( i, []( value_type&, value_type const& ) {} ) );
+                ASSERT_TRUE( s.find_with( other_item( i.key() ), other_less(), []( value_type&, other_item const& ) {} ) );
+            }
+
+            ASSERT_FALSE( s.empty() );
+            ASSERT_CONTAINER_SIZE( s, nSetSize );
+
+            // erase
+            shuffle( indices.begin(), indices.end() );
+            for ( auto idx : indices ) {
+                auto& i = data[idx];
+
+                ASSERT_TRUE( s.contains( i.nKey ) );
+                ASSERT_TRUE( s.contains( i ) );
+                ASSERT_TRUE( s.contains( other_item( i.key() ), other_less() ) );
+                ASSERT_TRUE( s.find( i.nKey, []( value_type& v, int ) 
+                    { 
+                        v.nFindCount = 1;
+                    }));
+                ASSERT_TRUE( s.find( i, []( value_type& v, int ) 
+                    { 
+                        EXPECT_EQ( ++v.nFindCount, 2 );
+                    }));
+                ASSERT_TRUE( s.find_with( other_item( i.key() ), other_less(), []( value_type& v, other_item const& ) 
+                    { 
+                        EXPECT_EQ( ++v.nFindCount, 3 );
+                    }));
+                EXPECT_EQ( i.nFindCount, 2 );
+
+                int nKey = i.key() - 1;
+                switch ( idx % 6 ) {
+                case 0:
+                    ASSERT_TRUE( s.erase( i.key()));
+                    ASSERT_FALSE( s.erase( i.key()));
+                    break;
+                case 1:
+                    ASSERT_TRUE( s.erase( i ));
+                    ASSERT_FALSE( s.erase( i ));
+                    break;
+                case 2:
+                    ASSERT_TRUE( s.erase_with( other_item( i.key()), other_less()));
+                    ASSERT_FALSE( s.erase_with( other_item( i.key() ), other_less() ) );
+                    break;
+                case 3:
+                    ASSERT_TRUE( s.erase( i.key(), [&nKey]( value_type const& v )
+                        {
+                            nKey = v.key();
+                        } ));
+                    EXPECT_EQ( i.key(), nKey );
+
+                    nKey = i.key() - 1;
+                    ASSERT_FALSE( s.erase( i.key(), [&nKey]( value_type const& v )
+                        {
+                            nKey = v.key();
+                        } ));
+                    EXPECT_EQ( i.key(), nKey + 1 );
+                    break;
+                case 4:
+                    ASSERT_TRUE( s.erase( i, [&nKey]( value_type const& v )
+                        {
+                            nKey = v.key();
+                        } ));
+                    EXPECT_EQ( i.key(), nKey );
+
+                    nKey = i.key() - 1;
+                    ASSERT_FALSE( s.erase( i, [&nKey]( value_type const& v )
+                        {
+                            nKey = v.key();
+                        } ));
+                    EXPECT_EQ( i.key(), nKey + 1 );
+                    break;
+                case 5:
+                    ASSERT_TRUE( s.erase_with( other_item( i.key()), other_less(), [&nKey]( value_type const& v )
+                        {
+                            nKey = v.key();
+                        } ));
+                    EXPECT_EQ( i.key(), nKey );
+
+                    nKey = i.key() - 1;
+                    ASSERT_FALSE( s.erase( other_item( i.key()), other_less(), [&nKey]( value_type const& v )
+                        {
+                            nKey = v.key();
+                        } ));
+                    EXPECT_EQ( i.key(), nKey + 1 );
+                    break;
+                }
+
+                ASSERT_FALSE( s.contains( i.nKey ) );
+                ASSERT_FALSE( s.contains( i ) );
+                ASSERT_FALSE( s.contains( other_item( i.key() ), other_less()));
+                ASSERT_FALSE( s.find( i.nKey, []( value_type&, int ) {} ));
+                ASSERT_FALSE( s.find( i, []( value_type&, value_type const& ) {} ));
+                ASSERT_FALSE( s.find_with( other_item( i.key()), other_less(), []( value_type&, other_item const& ) {} ));
+            }
+            ASSERT_TRUE( s.empty() );
+            ASSERT_CONTAINER_SIZE( s, 0 );
+
+
+            // clear
+            for ( auto& i : data ) {
+                ASSERT_TRUE( s.insert( i ) );
+            }
+
+            ASSERT_FALSE( s.empty() );
+            ASSERT_CONTAINER_SIZE( s, nSetSize );
+
+            s.clear();
+
+            ASSERT_TRUE( s.empty() );
+            ASSERT_CONTAINER_SIZE( s, 0 );
+
+            ASSERT_TRUE( s.begin() == s.end() );
+            ASSERT_TRUE( s.cbegin() == s.cend() );
+        }
+    };
+
+} // namespace cds_test
+
+#endif // CDSUNIT_SET_TEST_SET_H
diff --git a/test/unit/set/test_set_hp.h b/test/unit/set/test_set_hp.h
new file mode 100644 (file)
index 0000000..17002d2
--- /dev/null
@@ -0,0 +1,153 @@
+/*
+    This file is a part of libcds - Concurrent Data Structures library
+
+    (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016
+
+    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_SET_HP_H
+#define CDSUNIT_SET_TEST_SET_HP_H
+
+#include "test_set.h"
+
+namespace cds_test {
+
+    class container_set_hp: public container_set
+    {
+        typedef container_set base_class;
+
+    protected:
+        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 );
+
+            // iterator test
+            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, it->key() * 3 );
+            }
+
+            typedef typename Set::guqrded_ptr guarded_ptr;
+            guarded_ptr gp;
+
+            // get()
+            for ( auto idx : indices ) {
+                auto& i = data[idx];
+
+                ASSERT_TRUE( !gp );
+                switch ( idx % 3 ) {
+                case 0:
+                    gp = s.get( i.key() );
+                    ASSERT_FALSE( !gp );
+                    break;
+                case 1:
+                    gp = s.get( i );
+                    ASSERT_FALSE( !gp );
+                    break;
+                case 2:
+                    gp = s.get_with( other_item( i.key() ), other_less() );
+                    ASSERT_FALSE( !gp );
+                }
+                EXPECT_EQ( gp->key(), i.key() );
+                EXPECT_EQ( gp->nFindCount, i.key() * 3 );
+                gp->nFindCount *= 2;
+
+                gp.release();
+            }
+
+            // extract()
+            for ( auto idx : indices ) {
+                auto& i = data[idx];
+
+                ASSERT_TRUE( !gp );
+                switch ( idx % 3 ) {
+                case 0:
+                    gp = s.extract( i.key() );
+                    ASSERT_FALSE( !gp );
+                    break;
+                case 1:
+                    gp = s.extract( i );
+                    ASSERT_FALSE( !gp );
+                    break;
+                case 2:
+                    gp = s.extract_with( other_item( i.key() ), other_less() );
+                    ASSERT_FALSE( !gp );
+                    break;
+                }
+                EXPECT_EQ( gp->key(), i.key() );
+                EXPECT_EQ( gp->nFindCount, i.key() * 6 );
+
+                switch ( idx % 3 ) {
+                case 0:
+                    gp = s.extract( i.key() );
+                    break;
+                case 1:
+                    gp = s.extract( i );
+                    break;
+                case 2:
+                    gp = s.extract_with( other_item( i.key() ), other_less() );
+                    break;
+                }
+                ASSERT_TRUE( !gp );
+            }
+
+            ASSERT_TRUE( s.empty() );
+            ASSERT_CONTAINER_SIZE( s, 0 );
+        }
+
+    };
+} // namespace cds_test
+
+#endif // CDSUNIT_SET_TEST_SET_HP_H