1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*!
* simple-assert
* Copyright(c) 2013 Jake Luer <jake@alogicalparadox.com>
* MIT Licensed
*/
/*!
* Module dependencies
*/
var AssertionError = require('assertion-error');
/*!
* Primary export
*/
var exports = module.exports = assert;
/*!
* Expose AssertionError constructor
*/
exports.AssertionError = AssertionError;
/**
* ### assert (expr[, msg])
*
* Perform a truthy assertion.
*
* ```js
* var assert = require('simple-assert');
* assert(true, 'true is truthy');
* assert(1, '1 is truthy');
* assert('string', 'string is truthy');
* ```
*
* @param {Mixed} expression to test for truthiness
* @param {String} message on failure
* @throws AssertionError
*/
function assert (expr, msg, ssf) {
if (!expr) {
throw new AssertionError(msg || 'Assertion Failed', null, ssf || arguments.callee);
}
}
/**
* ### assert.not (expr[, msg])
*
* Perform a falsey assertion.
*
* ```js
* db.get(123, function (err, doc) {
* assert.not(err, 'db.get returned error');
* // ...
* });
* ```
*
* @param {Mixed} express to test for falsiness
* @param {String} messag eon failure
* @throws AssertionError
*/
exports.not = function (expr, msg) {
assert(!expr, msg, arguments.callee);
};
/**
* ### assert.fail ([msg])
*
* Force an `AssertionError` to be thrown.
*
* ```js
* switch (res.statusCode) {
* case 200:
* // ..
* break;
* case 404:
* // ..
* break;
* default:
* assert.fail('Unknown response statusCode');
* }
* ```
*
* @param {String} failure message
* @throws AssertionError
*/
exports.fail = function (msg) {
assert(false, msg, arguments.callee);
};
|
