1"use strict";
2const waterfall = require('./index');
3
4var generateSyncTask = function(index) {
5	return function (x){
6		return function(cb){
7			console.log(x);
8			cb(null);
9		};
10	}(index);
11};
12
13
14var generateAsyncTask = function(index) {
15	return function (x){
16		return function(cb){
17			setTimeout(function(){
18				console.log(x);
19				cb(null);
20			}, 0);
21		};
22	}(index);
23};
24
25var generateSyncTasks = function(count){
26	var tasks = [];
27	for(var i=0; i<count; i++) {
28		tasks.push(generateSyncTask(i));
29	}
30	return tasks;
31}
32
33var generateAsyncTasks = function(count){
34	var tasks = [];
35	for(var i=0; i<count; i++) {
36		tasks.push(generateAsyncTask(i));
37	}
38	return tasks;
39}
40
41
42var generateRandomTasks = function(count){
43	var tasks = [];
44	for(var i=0; i<count; i++) {
45		Math.random() > .5 ? tasks.push(generateAsyncTask(i)) : tasks.push(generateSyncTask(i))
46	}
47	return tasks;
48}
49
50var done = function(){
51	console.log('done');
52}
53
54var testSync = function(){
55	waterfall(generateSyncTasks(10), done);
56	console.log('this text should be after waterfall');
57
58};
59
60var testAsync = function(){
61	waterfall(generateAsyncTasks(5), done);
62	console.log('this text should be before waterfall');
63};
64
65var testMixed = function(){
66	waterfall(generateRandomTasks(20), done);
67};
68
69
70console.log('testSync:');
71testSync();
72
73// console.log('\ntestAsync: ');
74// testAsync();
75
76console.log('\ntestMixed: ');
77testMixed();