test.js

var assert = require('assert');
var ourProcess = require('./browser');
describe('test against process', function () {
    test(process);
});
if (!process.browser) {
  describe('test against our shim', function () {
    test(ourProcess);
  });
}
function test (ourProcess) {
    describe('test arguments', function (t) {
        it ('works', function (done) {
          var order = 0;


          ourProcess.nextTick(function (num) {
              assert.equal(num, order++, 'first one works');
              ourProcess.nextTick(function (num) {
                assert.equal(num, order++, 'recursive one is 4th');
              }, 3);
          }, 0);
          ourProcess.nextTick(function (num) {
              assert.equal(num, order++, 'second one starts');
              ourProcess.nextTick(function (num) {
                assert.equal(num, order++, 'this is third');
                ourProcess.nextTick(function (num) {
                    assert.equal(num, order++, 'this is last');
                    done();
                }, 5);
            }, 4);
          }, 1);
          ourProcess.nextTick(function (num) {

              assert.equal(num, order++, '3rd schedualed happens after the error');
          }, 2);
        });
    });

    describe('test errors', function (t) {
        it ('works', function (done) {
        var order = 0;
        process.removeAllListeners('uncaughtException');
        process.once('uncaughtException', function(err) {
            assert.equal(2, order++, 'error is third');
            ourProcess.nextTick(function () {
                assert.equal(5, order++, 'schedualed in error is last');
                done();
            });
        });
        ourProcess.nextTick(function () {
            assert.equal(0, order++, 'first one works');
            ourProcess.nextTick(function () {
            assert.equal(4, order++, 'recursive one is 4th');
            });
        });
        ourProcess.nextTick(function () {
            assert.equal(1, order++, 'second one starts');
            throw(new Error('an error is thrown'));
        });
        ourProcess.nextTick(function () {
            assert.equal(3, order++, '3rd schedualed happens after the error');
        });
        });
    });
}