1 /*
   2  * Copyright (c) 2016, 2017, 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 "utilities/macros.hpp"
  26 #include "unittest.hpp"
  27 
  28 #if INCLUDE_VM_STRUCTS
  29 #include "runtime/vmStructs.hpp"
  30 
  31 TEST(VMStructs, last_entries)  {
  32   // Make sure last entry in the each array is indeed the correct end marker.
  33   // The reason why these are static is to make sure they are zero initialized.
  34   // Putting them on the stack will leave some garbage in the padding of some fields.
  35   static VMStructEntry struct_last_entry = GENERATE_VM_STRUCT_LAST_ENTRY();
  36   EXPECT_EQ(0, memcmp(&VMStructs::localHotSpotVMStructs[VMStructs::localHotSpotVMStructsLength() - 1],
  37                       &struct_last_entry,
  38                       sizeof(VMStructEntry))) << "Incorrect last entry in localHotSpotVMStructs";
  39 
  40   static VMTypeEntry type_last_entry = GENERATE_VM_TYPE_LAST_ENTRY();
  41   EXPECT_EQ(0, memcmp(&VMStructs::localHotSpotVMTypes[VMStructs::localHotSpotVMTypesLength() - 1],
  42                       &type_last_entry,
  43                       sizeof(VMTypeEntry))) << "Incorrect last entry in localHotSpotVMTypes";
  44 
  45   static VMIntConstantEntry int_last_entry = GENERATE_VM_INT_CONSTANT_LAST_ENTRY();
  46   EXPECT_EQ(0, memcmp(&VMStructs::localHotSpotVMIntConstants[VMStructs::localHotSpotVMIntConstantsLength() - 1],
  47                       &int_last_entry,
  48                       sizeof(VMIntConstantEntry))) << "Incorrect last entry in localHotSpotVMIntConstants";
  49 
  50   static VMLongConstantEntry long_last_entry = GENERATE_VM_LONG_CONSTANT_LAST_ENTRY();
  51   EXPECT_EQ(0, memcmp(&VMStructs::localHotSpotVMLongConstants[VMStructs::localHotSpotVMLongConstantsLength() - 1],
  52                       &long_last_entry,
  53                       sizeof(VMLongConstantEntry))) << "Incorrect last entry in localHotSpotVMLongConstants";
  54 }
  55 
  56 TEST(VMStructs, VMTypes_duplicates)  {
  57   // Check for duplicate entries in type array
  58   for (int i = 0; VMStructs::localHotSpotVMTypes[i].typeName != NULL; i++) {
  59     for (int j = i + 1; VMStructs::localHotSpotVMTypes[j].typeName != NULL; j++) {
  60       EXPECT_STRNE(VMStructs::localHotSpotVMTypes[i].typeName, VMStructs::localHotSpotVMTypes[j].typeName)
  61               << "Duplicate entries on indexes " << i << " and " << j;
  62     }
  63   }
  64 }
  65 #endif