describe("all", function () {
    it("works", function (done) {
      var count = 0;
      var p = new Promise;
      var p2 = p.all(function () {
        return [
          (function () {
            var p = new Promise();
            count++;
            p.resolve();
            return p;
          })()
          , (function () {
            var p = new Promise();
            count++;
            p.resolve();
            return p;
          })()
        ];
      });
      p2.then(function () {
        assert.equal(count, 2);
        done();
      });
      p.resolve();
    });