test/hotspot/gtest/memory/test_spaceManager.cpp

rev 50187 : imported patch metaspace-split

*** 20,39 ****
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  #include "precompiled.hpp"
  
  // The test function is only available in debug builds
  #ifdef ASSERT
  
  #include "unittest.hpp"
  
! void SpaceManager_test_adjust_initial_chunk_size();
  
  TEST(SpaceManager, adjust_initial_chunk_size) {
!   // The SpaceManager is only available in metaspace.cpp,
!   // so the test code is located in that file.
!   SpaceManager_test_adjust_initial_chunk_size();
  }
  
  #endif // ASSERT
--- 20,74 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  #include "precompiled.hpp"
+ #include "memory/metaspace/spaceManager.hpp"
+ 
+ using metaspace::SpaceManager;
  
  // The test function is only available in debug builds
  #ifdef ASSERT
  
  #include "unittest.hpp"
  
! 
! static void test_adjust_initial_chunk_size(bool is_class) {
!   const size_t smallest = SpaceManager::smallest_chunk_size(is_class);
!   const size_t normal   = SpaceManager::small_chunk_size(is_class);
!   const size_t medium   = SpaceManager::medium_chunk_size(is_class);
! 
! #define do_test(value, expected, is_class_value)                                 \
!     do {                                                                         \
!       size_t v = value;                                                          \
!       size_t e = expected;                                                       \
!       assert(SpaceManager::adjust_initial_chunk_size(v, (is_class_value)) == e,  \
!              "Expected: " SIZE_FORMAT " got: " SIZE_FORMAT, e, v);               \
!     } while (0)
! 
!     // Smallest (specialized)
!     do_test(1,            smallest, is_class);
!     do_test(smallest - 1, smallest, is_class);
!     do_test(smallest,     smallest, is_class);
! 
!     // Small
!     do_test(smallest + 1, normal, is_class);
!     do_test(normal - 1,   normal, is_class);
!     do_test(normal,       normal, is_class);
! 
!     // Medium
!     do_test(normal + 1, medium, is_class);
!     do_test(medium - 1, medium, is_class);
!     do_test(medium,     medium, is_class);
! 
!     // Humongous
!     do_test(medium + 1, medium + 1, is_class);
! 
! #undef test_adjust_initial_chunk_size
! }
  
  TEST(SpaceManager, adjust_initial_chunk_size) {
!   test_adjust_initial_chunk_size(true);
!   test_adjust_initial_chunk_size(false);
  }
  
  #endif // ASSERT