lmdb-test.js

lmdb-test.js

  describe('Cursors (utf16 string key and binary value)', function() {
    this.timeout(10000);
    var env;
    var dbi;
    var total = 10;
    before(function() {
      env = new lmdb.Env();
      env.open({
        path: testDirPath,
        maxDbs: maxDbs,
        mapSize: 16 * 1024 * 1024 * 1024
      });
      dbi = env.openDbi({
        name: 'utf16skey',
        create: true
      });
      var txn = env.beginTxn();
      var c = 0;
      while(c < total) {
        var buffer = new Buffer(new Array(8));
        buffer.writeDoubleBE(c);
        txn.putBinary(dbi, c.toString() + '-key', buffer);
        c++;
      }
      txn.commit();
    });
    after(function() {
      dbi.close();
      env.close();
    });
    it('will retrieve utf16 string keys as buffer', function() {
      var txn = env.beginTxn();
      var cursor = new lmdb.Cursor(txn, dbi);
      cursor.goToLast();
      cursor.getCurrentBinary(function(key, value) {
        key.toString('ucs2').replace('\u0000', '').should.equal('9-key');
        should.exist(value);
      });
      txn.abort();
    });
  });