"use strict";

var chainsaw = require("../../src/deps/chainsaw");

test('trap', () => {
  expect.assertions(3);
  var error = null;
  var ch = chainsaw(function (saw) {
    var pars = 0;
    var stack = [];
    var i = 0;

    this.par = function (cb) {
      pars++;
      var j = i++;
      cb.call(function () {
        pars--;
        stack[j] = [].slice.call(arguments);
        saw.down('result');
      });
      saw.next();
    };

    this.join = function (cb) {
      saw.trap('result', function () {
        if (pars == 0) {
          cb.apply(this, stack);
          saw.next();
        }
      });
    };

    this.raise = function (err) {
      error = err;
      saw.down('catch');
    };

    this.do = function (cb) {
      cb.call(this);
    };

    this.catch = function (cb) {
      if (error) {
        saw.nest(cb, error);
        error = null;
      } else saw.next();
    };
  });
  var joined = false;
  ch.par(function () {
    setTimeout(this.bind(null, 1), 50);
  }).par(function () {
    setTimeout(this.bind(null, 2), 25);
  }).join((x, y) => {
    expect(x[0] == 1).toBe(true);
    expect(y[0] == 2).toBe(true);
    joined = true;
  }).do(() => {
    expect(joined).toBeTruthy();
  });
});