97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
// Copyright (C) 2016 Red Hat, Inc. All rights reserved.
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//
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// This file is part of the thin-provisioning-tools source.
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//
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// thin-provisioning-tools is free software: you can redistribute it
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// and/or modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// thin-provisioning-tools is distributed in the hope that it will be
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// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with thin-provisioning-tools. If not, see
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// <http://www.gnu.org/licenses/>.
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#include "gmock/gmock.h"
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#include "block-cache/mem_pool.h"
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#include "test_utils.h"
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#include <fcntl.h>
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using namespace boost;
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using namespace std;
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using namespace test;
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using namespace testing;
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//----------------------------------------------------------------
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namespace {
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class MempoolTests : public Test {
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public:
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bool aligned(void *data, size_t alignment) {
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return (reinterpret_cast<size_t>(data) % alignment) == 0;
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}
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private:
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};
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}
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//----------------------------------------------------------------
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TEST_F(MempoolTests, empty_test)
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{
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}
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TEST_F(MempoolTests, create_destroy_cycle)
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{
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for (size_t bs = 64; bs <= 512; bs *= 2) {
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mempool mp(bs, 4 * 1024 * 1024, bs);
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}
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}
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TEST_F(MempoolTests, alignments_observed)
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{
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for (size_t bs = 64; bs <= 512; bs *= 2) {
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mempool mp(bs, 512 * 1024, bs);
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for (unsigned i = 0; i < 100; i++) {
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auto md = mp.alloc();
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if (!md)
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throw runtime_error("couldn't alloc");
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ASSERT_TRUE(aligned(md, bs));
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}
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}
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}
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TEST_F(MempoolTests, alloc_free_cycle)
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{
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mempool mp(512, 512 * 1024, 512);
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for (unsigned i = 0; i < 10000; i++) {
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auto md = mp.alloc();
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mp.free(md);
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}
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}
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TEST_F(MempoolTests, exhaust_pool)
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{
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mempool mp(512, 100 * 512, 512);
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for (unsigned i = 0; i < 100; i++) {
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auto md = mp.alloc();
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ASSERT_NE(md, nullptr);
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}
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auto md = mp.alloc();
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ASSERT_EQ(md, nullptr);
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}
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//----------------------------------------------------------------
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