fixed adding file problem

[c11concurrency-benchmarks.git] / gdax-orderbook-hpp / demo / dependencies / libcds-2.3.2 / test / unit / misc / permutation_generator.cpp

diff --git a/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/test/unit/misc/permutation_generator.cpp b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/test/unit/misc/permutation_generator.cpp
new file mode 100644 (file)
index 0000000..355f268
--- /dev/null
+++ b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/test/unit/misc/permutation_generator.cpp
@@ -0,0 +1,95 @@
+/*
+    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 <cds/opt/permutation.h>
+#include <cds_test/ext_gtest.h>
+
+namespace {
+
+    class Permutations: public ::testing::Test
+    {
+    protected:
+        static const size_t c_nMax = 1024;
+
+        template <typename Gen>
+        void test_with( Gen& gen, size_t nLen )
+        {
+            unsigned int arr[c_nMax];
+            for ( size_t nPass = 0; nPass < 10; ++nPass ) {
+                for ( size_t i = 0; i < c_nMax; ++i )
+                    arr[i] = 0;
+
+                do {
+                    typename Gen::integer_type i = gen;
+                    ++arr[ i ];
+                } while ( gen.next());
+
+                for ( size_t i = 0; i < nLen; ++i )
+                    EXPECT_EQ( arr[i], 1u ) << "i=" << i;
+                for ( size_t i = nLen; i < c_nMax; ++i )
+                    EXPECT_EQ( arr[i], 0u ) << "i=" << i;
+
+                gen.reset();
+            }
+        }
+
+        template <typename Gen>
+        void test()
+        {
+            for ( size_t nLen = 2; nLen <= c_nMax; ++nLen ) {
+                Gen gen( nLen );
+                test_with( gen, nLen );
+            }
+        }
+
+        template <typename Gen>
+        void test2()
+        {
+            for ( size_t nLen = 2; nLen <= c_nMax; nLen *= 2 ) {
+                Gen gen( nLen );
+                test_with( gen, nLen );
+            }
+        }
+    };
+
+    TEST_F( Permutations, random_permutation )
+    {
+        test< cds::opt::v::random_permutation<> >();
+    }
+    TEST_F( Permutations, random2_permutation )
+    {
+        test2< cds::opt::v::random2_permutation<> >();
+    }
+    TEST_F( Permutations, random_shuffle_permutation )
+    {
+        test< cds::opt::v::random_shuffle_permutation<> >();
+    }
+
+} // namespace