git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@13583 f3b2605a-c512-4ea7-a41b-209d697bcdaa

lib/kokkos/core/unit_test/TestAllocationTracker.cpp

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+/*
+//@HEADER
+// ************************************************************************
+// 
+//                        Kokkos v. 2.0
+//              Copyright (2014) Sandia Corporation
+// 
+// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
+// the U.S. Government retains certain rights in this software.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// 2. 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.
+//
+// 3. Neither the name of the Corporation nor the names of the
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "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 SANDIA CORPORATION OR THE
+// 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.
+//
+// Questions? Contact  H. Carter Edwards (hcedwar@sandia.gov)
+// 
+// ************************************************************************
+//@HEADER
+*/
+
+#include <gtest/gtest.h>
+
+#include <iostream>
+#include <vector>
+
+#include <Kokkos_Core.hpp>
+
+#include <impl/Kokkos_AllocationTracker.hpp>
+#include <impl/Kokkos_BasicAllocators.hpp>
+
+namespace Test {
+
+class alocation_tracker : public ::testing::Test {
+protected:
+  static void SetUpTestCase()
+  {
+    Kokkos::initialize();
+  }
+
+  static void TearDownTestCase()
+  {
+    Kokkos::finalize();
+  }
+};
+
+TEST_F( alocation_tracker, simple)
+{
+  using namespace Kokkos::Impl;
+
+  {
+    AllocationTracker tracker;
+    EXPECT_FALSE( tracker.is_valid() );
+  }
+
+  // test ref count and label
+  {
+    int size = 100;
+    std::vector<AllocationTracker> trackers(size);
+
+    trackers[0] = AllocationTracker( MallocAllocator(), 128,"Test");
+
+    for (int i=0; i<size; ++i) {
+      trackers[i] = trackers[0];
+    }
+
+    EXPECT_EQ(100u, trackers[0].ref_count());
+    EXPECT_EQ(std::string("Test"), std::string(trackers[0].label()));
+  }
+
+
+  // test circular list
+  {
+    int num_allocs = 3000;
+    unsigned ref_count = 100;
+
+    std::vector<AllocationTracker> trackers(num_allocs);
+
+    for (int i=0; i<num_allocs; ++i) {
+      trackers[i] = AllocationTracker( MallocAllocator(), 128, "Test");
+      std::vector<AllocationTracker> ref_trackers(ref_count);
+      for (unsigned j=0; j<ref_count; ++j) {
+        ref_trackers[j] = trackers[i];
+      }
+      EXPECT_EQ( ref_count + 1u, trackers[i].ref_count() );
+    }
+
+    for (int i=0; i<num_allocs; ++i) {
+      EXPECT_EQ( 1u, trackers[i].ref_count() );
+    }
+  }
+}
+
+TEST_F( alocation_tracker, force_leaks)
+{
+// uncomment to force memory leaks
+#if 0
+  using namespace Kokkos::Impl;
+  Kokkos::kokkos_malloc("Forced Leak", 4096*10);
+  Kokkos::kokkos_malloc<Kokkos::HostSpace>("Forced Leak", 4096*10);
+#endif
+}
+
+TEST_F( alocation_tracker, disable_reference_counting)
+{
+  using namespace Kokkos::Impl;
+  // test ref count and label
+  {
+    int size = 100;
+    std::vector<AllocationTracker> trackers(size);
+
+    trackers[0] = AllocationTracker( MallocAllocator(), 128,"Test");
+
+    for (int i=1; i<size; ++i) {
+      trackers[i] = CopyWithoutTracking::apply(trackers[0]);
+    }
+
+    EXPECT_EQ(1u, trackers[0].ref_count());
+    EXPECT_EQ(std::string("Test"), std::string(trackers[0].label()));
+  }
+}
+
+} // namespace Test