fixed adding file problem
[c11concurrency-benchmarks.git] / gdax-orderbook-hpp / demo / dependencies / libcds-2.3.2 / test / unit / queue / weak_ringbuffer.cpp
diff --git a/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/test/unit/queue/weak_ringbuffer.cpp b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/test/unit/queue/weak_ringbuffer.cpp
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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.
+*/
+
+#include "test_bounded_queue.h"
+
+#include <cds/container/weak_ringbuffer.h>
+#include <cds_test/fixture.h>
+
+namespace {
+    namespace cc = cds::container;
+
+    class WeakRingBuffer: public cds_test::bounded_queue
+    {
+    public:
+        template <typename Queue>
+        void test_array( Queue& q )
+        {
+            typedef typename Queue::value_type value_type;
+
+            const size_t nSize = q.capacity();
+            static const size_t nArrSize = 16;
+            const size_t nArrCount = nSize / nArrSize;
+
+            {
+                value_type el[nArrSize];
+
+                for ( unsigned pass = 0; pass < 3; ++pass ) {
+                    // batch push
+                    for ( size_t i = 0; i < nSize; i += nArrSize ) {
+                        for ( size_t k = 0; k < nArrSize; ++k )
+                            el[k] = static_cast<value_type>( i + k );
+
+                        if ( i + nArrSize <= nSize ) {
+                            ASSERT_TRUE( q.push( el, nArrSize ));
+                        }
+                        else {
+                            ASSERT_FALSE( q.push( el, nArrSize ));
+                        }
+                    }
+
+                    ASSERT_TRUE( !q.empty());
+                    if ( nSize % nArrSize != 0 ) {
+                        ASSERT_FALSE( q.full());
+                        ASSERT_CONTAINER_SIZE( q, nArrCount * nArrSize );
+                        for ( size_t i = nArrCount * nArrSize; i < nSize; ++i ) {
+                            ASSERT_TRUE( q.enqueue( static_cast<value_type>( i )));
+                        }
+                    }
+                    ASSERT_TRUE( q.full());
+                    ASSERT_CONTAINER_SIZE( q, nSize );
+
+                    // batch pop
+                    value_type expected = 0;
+                    while ( q.pop( el, nArrSize )) {
+                        for ( size_t i = 0; i < nArrSize; ++i ) {
+                            ASSERT_EQ( el[i], expected );
+                            ++expected;
+                        }
+                    }
+
+                    if ( nSize % nArrSize == 0 ) {
+                        ASSERT_TRUE( q.empty());
+                    }
+                    else {
+                        ASSERT_FALSE( q.empty());
+                        ASSERT_CONTAINER_SIZE( q, nSize % nArrSize );
+                        q.clear();
+                    }
+                    ASSERT_TRUE( q.empty());
+                    ASSERT_FALSE( q.full());
+                    ASSERT_CONTAINER_SIZE( q, 0u );
+                }
+            }
+
+            {
+                // batch push with functor
+                size_t el[nArrSize];
+
+                auto func_push = []( value_type& dest, size_t src ) { dest = static_cast<value_type>( src * 10 ); };
+
+                for ( unsigned pass = 0; pass < 3; ++pass ) {
+                    for ( size_t i = 0; i < nSize; i += nArrSize ) {
+                        for ( size_t k = 0; k < nArrSize; ++k )
+                            el[k] = i + k;
+
+                        if ( i + nArrSize <= nSize ) {
+                            ASSERT_TRUE( q.push( el, nArrSize, func_push ));
+                        }
+                        else {
+                            ASSERT_FALSE( q.push( el, nArrSize, func_push ));
+                        }
+                    }
+
+                    ASSERT_TRUE( !q.empty());
+                    if ( nSize % nArrSize != 0 ) {
+                        ASSERT_FALSE( q.full());
+                        ASSERT_CONTAINER_SIZE( q, nArrCount * nArrSize );
+                        for ( size_t i = nArrCount * nArrSize; i < nSize; ++i ) {
+                            ASSERT_TRUE( q.push( &i, 1, func_push ));
+                        }
+                    }
+                    ASSERT_TRUE( q.full());
+                    ASSERT_CONTAINER_SIZE( q, nSize );
+
+                    // batch pop with functor
+                    auto func_pop = []( size_t& dest, value_type src ) { dest = static_cast<size_t>( src / 10 ); };
+                    size_t expected = 0;
+                    while ( q.pop( el, nArrSize, func_pop )) {
+                        for ( size_t i = 0; i < nArrSize; ++i ) {
+                            ASSERT_EQ( el[i], expected );
+                            ++expected;
+                        }
+                    }
+
+                    if ( nSize % nArrSize == 0 ) {
+                        ASSERT_TRUE( q.empty());
+                    }
+                    else {
+                        ASSERT_FALSE( q.empty());
+                        ASSERT_CONTAINER_SIZE( q, nSize % nArrSize );
+                        size_t v;
+                        while ( q.pop( &v, 1, func_pop )) {
+                            ASSERT_EQ( v, expected );
+                            ++expected;
+                        }
+                    }
+                    ASSERT_TRUE( q.empty());
+                    ASSERT_FALSE( q.full());
+                    ASSERT_CONTAINER_SIZE( q, 0u );
+                }
+
+                // front/pop_front
+                for ( unsigned pass = 0; pass < 3; ++pass ) {
+                    for ( size_t i = 0; i < nSize; i += nArrSize ) {
+                        for ( size_t k = 0; k < nArrSize; ++k )
+                            el[k] = i + k;
+
+                        if ( i + nArrSize <= nSize ) {
+                            ASSERT_TRUE( q.push( el, nArrSize, func_push ));
+                        }
+                        else {
+                            ASSERT_FALSE( q.push( el, nArrSize, func_push ));
+                        }
+                    }
+
+                    ASSERT_TRUE( !q.empty());
+                    if ( nSize % nArrSize != 0 ) {
+                        ASSERT_FALSE( q.full());
+                        ASSERT_CONTAINER_SIZE( q, nArrCount * nArrSize );
+                        for ( size_t i = nArrCount * nArrSize; i < nSize; ++i ) {
+                            ASSERT_TRUE( q.push( &i, 1, func_push ));
+                        }
+                    }
+                    ASSERT_TRUE( q.full());
+                    ASSERT_CONTAINER_SIZE( q, nSize );
+
+                    value_type cur = 0;
+                    while ( !q.empty()) {
+                        value_type* front = q.front();
+                        ASSERT_TRUE( front != nullptr );
+                        ASSERT_EQ( cur, *front );
+                        ASSERT_TRUE( q.pop_front());
+                        cur += 10;
+                    }
+
+                    ASSERT_TRUE( q.empty());
+                    ASSERT_TRUE( q.front() == nullptr );
+                    ASSERT_FALSE( q.pop_front());
+                }
+            }
+        }
+
+        template <typename Queue>
+        void test_varsize_buffer( Queue& q )
+        {
+            size_t const capacity = q.capacity();
+
+            ASSERT_TRUE( q.empty());
+            ASSERT_EQ( q.size(), 0u );
+            ASSERT_TRUE( q.front().first == nullptr );
+            ASSERT_FALSE( q.pop_front());
+
+            size_t total_push = 0;
+            uint8_t chfill = 0;
+            while ( total_push < capacity * 4 ) {
+                unsigned buf_size = cds_test::fixture::rand( static_cast<unsigned>( capacity / 4 )) + 1;
+                total_push += buf_size;
+
+                void* buf = q.back( buf_size );
+                ASSERT_TRUE( buf != nullptr );
+
+                memset( buf, chfill, buf_size );
+                q.push_back();
+
+                ASSERT_GE( q.size(), buf_size );
+
+                auto pair = q.front();
+                ASSERT_TRUE( pair.first != nullptr );
+                ASSERT_EQ( pair.second, buf_size );
+                for ( size_t i = 0; i < pair.second; ++i )
+                    ASSERT_EQ( *reinterpret_cast<uint8_t*>( pair.first ), chfill );
+
+                ASSERT_TRUE( q.pop_front());
+                ASSERT_FALSE( q.pop_front());
+            }
+
+            ASSERT_TRUE( q.empty());
+            ASSERT_EQ( q.size(), 0u );
+            ASSERT_TRUE( q.front().first == nullptr );
+            ASSERT_FALSE( q.pop_front());
+        }
+    };
+
+    TEST_F( WeakRingBuffer, defaulted )
+    {
+        typedef cds::container::WeakRingBuffer< int > test_queue;
+
+        test_queue q( 128 );
+        test( q );
+        test_array( q );
+    }
+
+    TEST_F( WeakRingBuffer, stat )
+    {
+        struct traits: public cds::container::weak_ringbuffer::traits
+        {
+            typedef cds::opt::v::uninitialized_static_buffer<int, 128> buffer;
+        };
+        typedef cds::container::WeakRingBuffer< int, traits > test_queue;
+
+        test_queue q;
+        test( q );
+        test_array( q );
+    }
+
+    TEST_F( WeakRingBuffer, dynamic )
+    {
+        struct traits: public cds::container::weak_ringbuffer::traits
+        {
+            typedef cds::opt::v::uninitialized_dynamic_buffer<int> buffer;
+        };
+        typedef cds::container::WeakRingBuffer< int, traits > test_queue;
+
+        test_queue q( 128 );
+        test( q );
+        test_array( q );
+    }
+
+    TEST_F( WeakRingBuffer, dynamic_mod )
+    {
+        struct traits: public cds::container::weak_ringbuffer::traits
+        {
+            typedef cds::opt::v::uninitialized_dynamic_buffer<int, CDS_DEFAULT_ALLOCATOR, false> buffer;
+        };
+        typedef cds::container::WeakRingBuffer< int, traits > test_queue;
+
+        test_queue q( 100 );
+        test( q );
+        test_array( q );
+    }
+
+    TEST_F( WeakRingBuffer, dynamic_padding )
+    {
+        struct traits: public cds::container::weak_ringbuffer::traits
+        {
+            typedef cds::opt::v::uninitialized_dynamic_buffer<int> buffer;
+            enum { padding = 32 };
+        };
+        typedef cds::container::WeakRingBuffer< int, traits > test_queue;
+
+        test_queue q( 128 );
+        test( q );
+        test_array( q );
+    }
+
+    TEST_F( WeakRingBuffer, var_sized )
+    {
+        typedef cds::container::WeakRingBuffer< void > test_queue;
+
+        test_queue q( 1024 * 64 );
+        test_varsize_buffer( q );
+    }
+
+    TEST_F( WeakRingBuffer, var_sized_static )
+    {
+        struct traits: public cds::container::weak_ringbuffer::traits
+        {
+            typedef cds::opt::v::uninitialized_static_buffer<int, 1024 * 64> buffer;
+        };
+        typedef cds::container::WeakRingBuffer< void, traits > test_queue;
+
+        test_queue q;
+        test_varsize_buffer( q );
+    }
+
+} // namespace