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/*
* Copyright (c) 2020, 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020 SAP SE. 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 "memory/metaspace/counters.hpp"
#include "memory/metaspace/freeBlocks.hpp"
#include "memory/metaspace/metablock.hpp"
//#define LOG_PLEASE
#include "metaspaceGtestCommon.hpp"
using metaspace::FreeBlocks;
using metaspace::MetaBlock;
using metaspace::SizeCounter;
#define CHECK_CONTENT(fb, num_blocks_expected, word_size_expected) \
{ \
if (word_size_expected > 0) { \
EXPECT_FALSE(fb.is_empty()); \
} else { \
EXPECT_TRUE(fb.is_empty()); \
} \
EXPECT_EQ(fb.total_size(), (size_t)word_size_expected); \
EXPECT_EQ(fb.count(), (int)num_blocks_expected); \
}
TEST_VM(metaspace, freeblocks_basics) {
FreeBlocks fbl;
MetaWord tmp[1024];
CHECK_CONTENT(fbl, 0, 0);
MetaBlock bl(tmp, 1024);
fbl.add_block(bl);
DEBUG_ONLY(fbl.verify();)
ASSERT_FALSE(fbl.is_empty());
CHECK_CONTENT(fbl, 1, 1024);
MetaBlock bl2 = fbl.remove_block(1024);
ASSERT_EQ(bl, bl2);
DEBUG_ONLY(fbl.verify();)
CHECK_CONTENT(fbl, 0, 0);
}
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