1 /*
   2  * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "gc/parallel/psParallelCompact.hpp"
  26 #include "gc/parallel/psCompactionManager.inline.hpp"
  27 #include "unittest.hpp"
  28 
  29 #ifndef PRODUCT
  30 
  31 class PSParallelCompactTest : public ::testing::Test {
  32  public:
  33   static void print_generic_summary_data(ParallelCompactData& summary_data,
  34                                          HeapWord* const beg_addr,
  35                                          HeapWord* const end_addr) {
  36     PSParallelCompact::print_generic_summary_data(summary_data,
  37                                                   beg_addr, end_addr);
  38   }
  39 };
  40 
  41 // @requires UseParallelGC
  42 TEST_VM(PSParallelCompact, print_generic_summary_data) {
  43   if (!UseParallelOldGC) {
  44     return;
  45   }
  46   // Check that print_generic_summary_data() does not print the
  47   // end region by placing a bad value in the destination of the
  48   // end region.  The end region should not be printed because it
  49   // corresponds to the space after the end of the heap.
  50   ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
  51   ParCompactionManager* const vmthread_cm =
  52     ParCompactionManager::manager_array(ParallelGCThreads);
  53   HeapWord* begin_heap =
  54     (HeapWord*) heap->old_gen()->virtual_space()->low_boundary();
  55   HeapWord* end_heap =
  56     (HeapWord*) heap->young_gen()->virtual_space()->high_boundary();
  57 
  58   PSParallelCompactTest::print_generic_summary_data(PSParallelCompact::summary_data(),
  59     begin_heap, end_heap);
  60 }
  61 
  62 #endif