96 lines
2.3 KiB
C++
96 lines
2.3 KiB
C++
// Copyright (C) 2011 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 "persistent-data/space_map.h"
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#define BOOST_TEST_MODULE SpaceMapTests
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#include <boost/test/included/unit_test.hpp>
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using namespace std;
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using namespace boost;
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unsigned const NR_BLOCKS = 1024;
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//----------------------------------------------------------------
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BOOST_AUTO_TEST_CASE(test_get_nr_blocks)
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{
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core_map sm(NR_BLOCKS);
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BOOST_CHECK_EQUAL(sm.get_nr_blocks(), NR_BLOCKS);
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}
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BOOST_AUTO_TEST_CASE(test_get_nr_free)
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{
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core_map sm(NR_BLOCKS);
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BOOST_CHECK_EQUAL(sm.get_nr_free(), NR_BLOCKS);
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for (unsigned i = 0; i < NR_BLOCKS; i++) {
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sm.new_block();
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BOOST_CHECK_EQUAL(sm.get_nr_free(), NR_BLOCKS - i - 1);
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}
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for (unsigned i = 0; i < NR_BLOCKS; i++) {
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sm.dec(i);
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BOOST_CHECK_EQUAL(sm.get_nr_free(), i + 1);
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}
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}
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BOOST_AUTO_TEST_CASE(test_throws_no_space)
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{
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core_map sm(NR_BLOCKS);
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for (unsigned i = 0; i < NR_BLOCKS; i++)
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sm.new_block();
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BOOST_CHECK_THROW(sm.new_block(), std::runtime_error);
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}
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BOOST_AUTO_TEST_CASE(test_inc_and_dec)
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{
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core_map sm(NR_BLOCKS);
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block_address b = 63;
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for (unsigned i = 0; i < 50; i++) {
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BOOST_CHECK_EQUAL(sm.get_count(b), i);
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sm.inc(b);
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}
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for (unsigned i = 50; i > 0; i--) {
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BOOST_CHECK_EQUAL(sm.get_count(b), i);
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sm.dec(b);
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}
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}
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BOOST_AUTO_TEST_CASE(test_not_allocated_twice)
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{
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core_map sm(NR_BLOCKS);
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block_address b = sm.new_block();
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try {
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for (;;)
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BOOST_CHECK(sm.new_block() != b);
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} catch (...) {
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}
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}
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BOOST_AUTO_TEST_CASE(test_set_count)
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{
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core_map sm(NR_BLOCKS);
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sm.set_count(43, 5);
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BOOST_CHECK_EQUAL(sm.get_count(43), 5);
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}
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