a8d6a05ce8
OopStorage instance now owned by subsystems, and generalize dead entry notification Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com> Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com> Reviewed-by: coleenp, tschatzl
96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "gc/shared/oopStorage.hpp"
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#include "gc/shared/oopStorageSet.hpp"
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#include "memory/allocation.inline.hpp"
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#include "utilities/debug.hpp"
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#include "utilities/globalDefinitions.hpp"
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#include "utilities/macros.hpp"
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#include "unittest.hpp"
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class OopStorageSetTest : public ::testing::Test {
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protected:
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// Returns index of s in storages, or size if not found.
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template <uint count>
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static size_t find_storage(OopStorage* s, OopStorage* storages[count]) {
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for (uint i = 0; i < count; ++i) {
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if (s == storages[i]) {
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return i;
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}
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}
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return count;
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}
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template <uint count>
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static void check_iterator(OopStorageSet::Iterator it,
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OopStorage* storages[count]) {
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OopStorageSet::Iterator start = it;
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ASSERT_EQ(start, it);
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for ( ; !it.is_end(); ++it) {
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size_t index = find_storage<count>(*it, storages);
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ASSERT_LT(index, count);
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storages[index] = NULL;
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}
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ASSERT_NE(start, it);
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const OopStorage* null_storage = NULL;
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for (uint i = 0; i < count; ++i) {
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ASSERT_EQ(null_storage, storages[i]);
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}
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}
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template <uint count>
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static void test_iterator(OopStorageSet::Iterator iterator,
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void (*fill)(OopStorage*[count])) {
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OopStorage* storages[count];
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fill(storages);
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check_iterator<count>(iterator, storages);
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}
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static void test_strong_iterator() {
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test_iterator<OopStorageSet::strong_count>(
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OopStorageSet::strong_iterator(),
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&OopStorageSet::fill_strong);
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}
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static void test_weak_iterator() {
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test_iterator<OopStorageSet::weak_count>(
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OopStorageSet::weak_iterator(),
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&OopStorageSet::fill_weak);
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}
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static void test_all_iterator() {
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test_iterator<OopStorageSet::all_count>(
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OopStorageSet::all_iterator(),
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&OopStorageSet::fill_all);
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}
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};
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TEST_VM_F(OopStorageSetTest, iterators) {
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test_strong_iterator();
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test_weak_iterator();
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test_all_iterator();
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}
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