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extern crate lmdb_sys;
use lmdb_sys::*;
use std::ffi::{c_void, CString};
use std::fs::File;
use std::ptr;
macro_rules! E {
($expr:expr) => {{
match $expr {
::MDB_SUCCESS => (),
err_code => assert!(false, "Failed with code {}", err_code),
}
}};
}
macro_rules! str {
($expr:expr) => {
::CString::new($expr).unwrap().as_ptr()
};
}
#[test]
#[cfg(target_pointer_width = "32")]
fn test_simple_32() {
test_simple("./tests/fixtures/testdb-32")
}
#[test]
#[cfg(target_pointer_width = "64")]
fn test_simple_64() {
test_simple("./tests/fixtures/testdb")
}
#[cfg(windows)]
fn get_file_fd(file: &File) -> std::os::windows::io::RawHandle {
use std::os::windows::io::AsRawHandle;
file.as_raw_handle()
}
#[cfg(unix)]
fn get_file_fd(file: &File) -> std::os::unix::io::RawFd {
use std::os::unix::io::AsRawFd;
file.as_raw_fd()
}
fn test_simple(env_path: &str) {
let mut env: *mut MDB_env = ptr::null_mut();
let mut dbi: MDB_dbi = 0;
let mut key = MDB_val {
mv_size: 0,
mv_data: ptr::null_mut(),
};
let mut data = MDB_val {
mv_size: 0,
mv_data: ptr::null_mut(),
};
let mut txn: *mut MDB_txn = ptr::null_mut();
let sval = str!("foo") as *mut c_void;
let dval = str!("bar") as *mut c_void;
unsafe {
E!(mdb_env_create(&mut env));
E!(mdb_env_set_maxdbs(env, 2));
E!(mdb_env_open(env, str!(env_path), 0, 0664));
E!(mdb_txn_begin(env, ptr::null_mut(), 0, &mut txn));
E!(mdb_dbi_open(txn, str!("subdb"), MDB_CREATE, &mut dbi));
E!(mdb_txn_commit(txn));
key.mv_size = 3;
key.mv_data = sval;
data.mv_size = 3;
data.mv_data = dval;
E!(mdb_txn_begin(env, ptr::null_mut(), 0, &mut txn));
E!(mdb_put(txn, dbi, &mut key, &mut data, 0));
E!(mdb_txn_commit(txn));
}
let file = File::create("./tests/fixtures/copytestdb.mdb").unwrap();
unsafe {
let fd = get_file_fd(&file);
E!(mdb_env_copyfd(env, fd));
mdb_dbi_close(env, dbi);
mdb_env_close(env);
}
}