define(["Filer", "util"], function(Filer, util) {

  describe('fs.writeFile truncation - issue 106', function() {
    beforeEach(util.setup);
    afterEach(util.cleanup);

    it('should truncate an existing file', function(done) {
      var fs = util.fs();
      var filename = '/test';

      fs.writeFile(filename, '1', function(err) {
        if(err) throw err;

        fs.stat(filename, function(err, stats) {
          if(err) throw err;
          expect(stats.size).to.equal(1);

          fs.writeFile(filename, '', function(err) {
            if(err) throw err;

            fs.stat(filename, function(err, stats) {
              if(err) throw err;
              expect(stats.size).to.equal(0);
              done();
            });
          });
        });
      });
    });
  });
});