1 /* 2 * Copyright (c) 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 "memory/metaspace/spaceManager.hpp" 26 27 using metaspace::SpaceManager; 28 #if 0 29 // The test function is only available in debug builds 30 #ifdef ASSERT 31 32 #include "unittest.hpp" 33 34 35 static void test_adjust_initial_chunk_size(bool is_class) { 36 const size_t smallest = SpaceManager::smallest_chunk_size(is_class); 37 const size_t normal = SpaceManager::small_chunk_size(is_class); 38 const size_t medium = SpaceManager::medium_chunk_size(is_class); 39 40 #define do_test(value, expected, is_class_value) \ 41 do { \ 42 size_t v = value; \ 43 size_t e = expected; \ 44 assert(SpaceManager::adjust_initial_chunk_size(v, (is_class_value)) == e, \ 45 "Expected: " SIZE_FORMAT " got: " SIZE_FORMAT, e, v); \ 46 } while (0) 47 48 // Smallest (specialized) 49 do_test(1, smallest, is_class); 50 do_test(smallest - 1, smallest, is_class); 51 do_test(smallest, smallest, is_class); 52 53 // Small 54 do_test(smallest + 1, normal, is_class); 55 do_test(normal - 1, normal, is_class); 56 do_test(normal, normal, is_class); 57 58 // Medium 59 do_test(normal + 1, medium, is_class); 60 do_test(medium - 1, medium, is_class); 61 do_test(medium, medium, is_class); 62 63 // Humongous 64 do_test(medium + 1, medium + 1, is_class); 65 66 #undef test_adjust_initial_chunk_size 67 } 68 69 TEST(SpaceManager, adjust_initial_chunk_size) { 70 test_adjust_initial_chunk_size(true); 71 test_adjust_initial_chunk_size(false); 72 } 73 74 #endif // ASSERT 75 #endif