thin-provisioning-tools/unit-tests/test_utils.cc

58 lines
1.2 KiB
C++

#include "test_utils.h"
#include "persistent-data/space-maps/core.h"
using namespace persistent_data;
using namespace std;
using namespace test;
//----------------------------------------------------------------
void test::zero_block(block_manager<>::ptr bm, block_address b)
{
block_manager<>::write_ref wr = bm->write_lock(b);
memset(wr.data(), 0, 4096);
}
transaction_manager::ptr
test::open_temporary_tm(block_manager<>::ptr bm)
{
space_map::ptr sm(new core_map(bm->get_nr_blocks()));
transaction_manager::ptr tm(new transaction_manager(bm, sm));
return tm;
}
//----------------------------------------------------------------
temp_file::temp_file(string const &name_base, unsigned meg_size)
: path_(gen_path(name_base))
{
int fd = ::open(path_.c_str(), O_CREAT | O_RDWR, 0666);
if (fd < 0)
throw runtime_error("couldn't open file");
if (::fallocate(fd, 0, 0, 1024 * 1024 * meg_size))
throw runtime_error("couldn't fallocate");
::close(fd);
}
temp_file::~temp_file()
{
// ::unlink(path_.c_str());
}
string const &
temp_file::get_path() const
{
return path_;
}
string
temp_file::gen_path(string const &base)
{
return string("./") + base + string(".tmp");
}
//----------------------------------------------------------------