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/*
* Copyright (c) 2016, 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"
#include "memory/metaspace/spaceManager.hpp"
using metaspace::SpaceManager;
// The test function is only available in debug builds
#ifdef ASSERT
#include "unittest.hpp"
static void test_adjust_initial_chunk_size(bool is_class) {
const size_t smallest = SpaceManager::smallest_chunk_size(is_class);
const size_t normal = SpaceManager::small_chunk_size(is_class);
const size_t medium = SpaceManager::medium_chunk_size(is_class);
#define do_test(value, expected, is_class_value) \
do { \
size_t v = value; \
size_t e = expected; \
assert(SpaceManager::adjust_initial_chunk_size(v, (is_class_value)) == e, \
"Expected: " SIZE_FORMAT " got: " SIZE_FORMAT, e, v); \
} while (0)
// Smallest (specialized)
do_test(1, smallest, is_class);
do_test(smallest - 1, smallest, is_class);
do_test(smallest, smallest, is_class);
// Small
do_test(smallest + 1, normal, is_class);
do_test(normal - 1, normal, is_class);
do_test(normal, normal, is_class);
// Medium
do_test(normal + 1, medium, is_class);
do_test(medium - 1, medium, is_class);
do_test(medium, medium, is_class);
// Humongous
do_test(medium + 1, medium + 1, is_class);
#undef test_adjust_initial_chunk_size
}
TEST(SpaceManager, adjust_initial_chunk_size) {
test_adjust_initial_chunk_size(true);
test_adjust_initial_chunk_size(false);
}
#endif // ASSERT
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