thin-provisioning-tools/space_map_t.cc
2011-07-13 16:59:12 +01:00

84 lines
1.6 KiB
C++

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