Mercurial > hg > graal-jvmci-8
diff src/share/vm/utilities/linkedlist.cpp @ 20360:833b0f92429a
8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill
author | zgu |
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date | Wed, 27 Aug 2014 08:19:12 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/utilities/linkedlist.cpp Wed Aug 27 08:19:12 2014 -0400 @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" + +/////////////// Unit tests /////////////// + +#ifndef PRODUCT + +#include "runtime/os.hpp" +#include "utilities/linkedlist.hpp" +#include "memory/allocation.hpp" +#include "memory/allocation.inline.hpp" + +class Integer : public StackObj { + private: + int _value; + public: + Integer(int i) : _value(i) { } + + int value() const { return _value; } + bool equals(const Integer& i) const { + return _value == i.value(); + } +}; + +int compare_Integer(const Integer& i1, const Integer& i2) { + return i1.value() - i2.value(); +} + +void check_list_values(const int* expected, const LinkedList<Integer>* list) { + LinkedListNode<Integer>* head = list->head(); + int index = 0; + while (head != NULL) { + assert(head->peek()->value() == expected[index], "Unexpected value"); + head = head->next(); + index ++; + } +} + +void Test_linked_list() { + LinkedListImpl<Integer, ResourceObj::C_HEAP, mtTest> ll; + + + // Test regular linked list + assert(ll.is_empty(), "Start with empty list"); + Integer one(1), two(2), three(3), four(4), five(5), six(6); + + ll.add(six); + assert(!ll.is_empty(), "Should not be empty"); + + Integer* i = ll.find(six); + assert(i != NULL, "Should find it"); + + i = ll.find(three); + assert(i == NULL, "Not in the list"); + + LinkedListNode<Integer>* node = ll.find_node(six); + assert(node != NULL, "6 is in the list"); + + ll.insert_after(three, node); + ll.insert_before(one, node); + int expected[3] = {1, 6, 3}; + check_list_values(expected, &ll); + + ll.add(two); + ll.add(four); + ll.add(five); + + // Test sorted linked list + SortedLinkedList<Integer, compare_Integer, ResourceObj::C_HEAP, mtTest> sl; + assert(sl.is_empty(), "Start with empty list"); + + size_t ll_size = ll.size(); + sl.move(&ll); + size_t sl_size = sl.size(); + + assert(ll_size == sl_size, "Should be the same size"); + assert(ll.is_empty(), "No more entires"); + + // sorted result + int sorted_result[] = {1, 2, 3, 4, 5, 6}; + check_list_values(sorted_result, &sl); + + node = sl.find_node(four); + assert(node != NULL, "4 is in the list"); + sl.remove_before(node); + sl.remove_after(node); + int remains[] = {1, 2, 4, 6}; + check_list_values(remains, &sl); +} +#endif // PRODUCT +