1 var assert = require('assert');
2 var traverse = require('../');
3 var deepEqual = require('./lib/deep_equal');
5 exports.deepDates = function () {
8 { d : new Date, x : [ 1, 2, 3 ] },
9 { d : new Date, x : [ 1, 2, 3 ] }
11 'dates should be equal'
15 setTimeout(function () {
18 { d : d0, x : [ 1, 2, 3 ], },
19 { d : new Date, x : [ 1, 2, 3 ] }
21 'microseconds should count in date equality'
26 exports.deepCircular = function () {
28 a.push(a); // a = [ 1, *a ]
31 b.push(a); // b = [ 1, [ 1, *a ] ]
35 'circular ref mount points count towards equality'
39 c.push(c); // c = [ 1, *c ]
42 'circular refs are structurally the same here'
46 d.push(a); // c = [ 1, [ 1, *d ] ]
49 'non-root circular ref structural comparison'
53 exports.deepInstances = function () {
55 !deepEqual([ new Boolean(false) ], [ false ]),
56 'boolean instances are not real booleans'
60 !deepEqual([ new String('x') ], [ 'x' ]),
61 'string instances are not real strings'
65 !deepEqual([ new Number(4) ], [ 4 ]),
66 'number instances are not real numbers'
70 deepEqual([ new RegExp('x') ], [ /x/ ]),
71 'regexp instances are real regexps'
75 !deepEqual([ new RegExp(/./) ], [ /../ ]),
76 'these regexps aren\'t the same'
81 [ function (x) { return x * 2 } ],
82 [ function (x) { return x * 2 } ]
84 'functions with the same .toString() aren\'t necessarily the same'
87 var f = function (x) { return x * 2 };
89 deepEqual([ f ], [ f ]),
90 'these functions are actually equal'
94 exports.deepEqual = function () {
96 !deepEqual([ 1, 2, 3 ], { 0 : 1, 1 : 2, 2 : 3 }),
97 'arrays are not objects'
101 exports.falsy = function () {
103 !deepEqual([ undefined ], [ null ]),
104 'null is not undefined!'
108 !deepEqual([ null ], [ undefined ]),
109 'undefined is not null!'
114 { a : 1, b : 2, c : [ 3, undefined, 5 ] },
115 { a : 1, b : 2, c : [ 3, null, 5 ] }
117 'undefined is not null, however deeply!'
122 { a : 1, b : 2, c : [ 3, undefined, 5 ] },
123 { a : 1, b : 2, c : [ 3, null, 5 ] }
125 'null is not undefined, however deeply!'
130 { a : 1, b : 2, c : [ 3, undefined, 5 ] },
131 { a : 1, b : 2, c : [ 3, null, 5 ] }
133 'null is not undefined, however deeply!'
137 exports.deletedArrayEqual = function () {
138 var xs = [ 1, 2, 3, 4 ];
141 var ys = Object.create(Array.prototype);
148 'arrays with deleted elements are only equal to'
149 + ' arrays with similarly deleted elements'
153 !deepEqual(xs, [ 1, 2, undefined, 4 ]),
154 'deleted array elements cannot be undefined'
158 !deepEqual(xs, [ 1, 2, null, 4 ]),
159 'deleted array elements cannot be null'
163 exports.deletedObjectEqual = function () {
164 var obj = { a : 1, b : 2, c : 3 };
168 deepEqual(obj, { a : 1, b : 2 }),
169 'deleted object elements should not show up'
173 !deepEqual(obj, { a : 1, b : 2, c : undefined }),
174 'deleted object elements are not undefined'
178 !deepEqual(obj, { a : 1, b : 2, c : null }),
179 'deleted object elements are not null'
183 exports.emptyKeyEqual = function () {
184 assert.ok(!deepEqual(
185 { a : 1 }, { a : 1, '' : 55 }
189 exports.deepArguments = function () {
193 (function () { return arguments })(4, 5, 6)
195 'arguments are not arrays'
200 (function () { return arguments })(4, 5, 6),
201 (function () { return arguments })(4, 5, 6)
203 'arguments should equal'
207 exports.deepUn = function () {
208 assert.ok(!deepEqual({ a : 1, b : 2 }, undefined));
209 assert.ok(!deepEqual({ a : 1, b : 2 }, {}));
210 assert.ok(!deepEqual(undefined, { a : 1, b : 2 }));
211 assert.ok(!deepEqual({}, { a : 1, b : 2 }));
212 assert.ok(deepEqual(undefined, undefined));
213 assert.ok(deepEqual(null, null));
214 assert.ok(!deepEqual(undefined, null));
217 exports.deepLevels = function () {
218 var xs = [ 1, 2, [ 3, 4, [ 5, 6 ] ] ];
219 assert.ok(!deepEqual(xs, []));