d20034b09c
Co-authored-by: Stefan Karlsson <stefank@openjdk.org> Co-authored-by: Erik Österlund <eosterlund@openjdk.org> Co-authored-by: Axel Boldt-Christmas <aboldtch@openjdk.org> Co-authored-by: Per Liden <pliden@openjdk.org> Co-authored-by: Stefan Johansson <sjohanss@openjdk.org> Co-authored-by: Albert Mingkun Yang <ayang@openjdk.org> Co-authored-by: Erik Helin <ehelin@openjdk.org> Co-authored-by: Roberto Castañeda Lozano <rcastanedalo@openjdk.org> Co-authored-by: Nils Eliasson <neliasso@openjdk.org> Co-authored-by: Martin Doerr <mdoerr@openjdk.org> Co-authored-by: Leslie Zhai <lzhai@openjdk.org> Co-authored-by: Fei Yang <fyang@openjdk.org> Co-authored-by: Yadong Wang <yadongwang@openjdk.org> Reviewed-by: eosterlund, aboldtch, rcastanedalo
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/*
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* Copyright (c) 2017, 2023, 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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#include "precompiled.hpp"
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#include "gc/z/zGenerationId.hpp"
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#include "gc/z/zGlobals.hpp"
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#include "gc/z/zLiveMap.inline.hpp"
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#include "unittest.hpp"
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class ZLiveMapTest : public ::testing::Test {
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private:
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// Setup and tear down
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ZHeap* _old_heap;
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ZGenerationOld* _old_old;
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ZGenerationYoung* _old_young;
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public:
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virtual void SetUp() {
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ZGlobalsPointers::initialize();
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_old_heap = ZHeap::_heap;
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ZHeap::_heap = (ZHeap*)os::malloc(sizeof(ZHeap), mtTest);
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_old_old = ZGeneration::_old;
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_old_young = ZGeneration::_young;
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ZGeneration::_old = &ZHeap::_heap->_old;
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ZGeneration::_young = &ZHeap::_heap->_young;
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*const_cast<ZGenerationId*>(&ZGeneration::_old->_id) = ZGenerationId::old;
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*const_cast<ZGenerationId*>(&ZGeneration::_young->_id) = ZGenerationId::young;
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ZGeneration::_old->_seqnum = 1;
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ZGeneration::_young->_seqnum = 2;
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}
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virtual void TearDown() {
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os::free(ZHeap::_heap);
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ZHeap::_heap = _old_heap;
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ZGeneration::_old = _old_old;
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ZGeneration::_young = _old_young;
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}
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protected:
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static void strongly_live_for_large_zpage() {
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// Large ZPages only have room for one object.
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ZLiveMap livemap(1);
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bool inc_live;
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BitMap::idx_t object_index = BitMap::idx_t(0);
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// Mark the object strong.
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livemap.set(ZGenerationId::old, object_index, false /* finalizable */, inc_live);
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// Check that both bits are in the same segment.
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ASSERT_EQ(livemap.index_to_segment(0), livemap.index_to_segment(1));
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// Check that the object was marked.
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ASSERT_TRUE(livemap.get(ZGenerationId::old, 0));
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// Check that the object was strongly marked.
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ASSERT_TRUE(livemap.get(ZGenerationId::old, 1));
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ASSERT_TRUE(inc_live);
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}
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};
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TEST_F(ZLiveMapTest, strongly_live_for_large_zpage) {
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strongly_live_for_large_zpage();
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}
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