1 var test = require('tap').test;
2 var traverse = require('../');
3 var deepEqual = require('./lib/deep_equal');
5 test('deepDates', function (t) {
10 { d : new Date, x : [ 1, 2, 3 ] },
11 { d : new Date, x : [ 1, 2, 3 ] }
13 'dates should be equal'
17 setTimeout(function () {
20 { d : d0, x : [ 1, 2, 3 ], },
21 { d : new Date, x : [ 1, 2, 3 ] }
23 'microseconds should count in date equality'
28 test('deepCircular', function (t) {
30 a.push(a); // a = [ 1, *a ]
33 b.push(a); // b = [ 1, [ 1, *a ] ]
37 'circular ref mount points count towards equality'
41 c.push(c); // c = [ 1, *c ]
44 'circular refs are structurally the same here'
48 d.push(a); // c = [ 1, [ 1, *d ] ]
51 'non-root circular ref structural comparison'
57 test('deepInstances', function (t) {
59 !deepEqual([ new Boolean(false) ], [ false ]),
60 'boolean instances are not real booleans'
64 !deepEqual([ new String('x') ], [ 'x' ]),
65 'string instances are not real strings'
69 !deepEqual([ new Number(4) ], [ 4 ]),
70 'number instances are not real numbers'
74 deepEqual([ new RegExp('x') ], [ /x/ ]),
75 'regexp instances are real regexps'
79 !deepEqual([ new RegExp(/./) ], [ /../ ]),
80 'these regexps aren\'t the same'
85 [ function (x) { return x * 2 } ],
86 [ function (x) { return x * 2 } ]
88 'functions with the same .toString() aren\'t necessarily the same'
91 var f = function (x) { return x * 2 };
93 deepEqual([ f ], [ f ]),
94 'these functions are actually equal'
100 test('deepEqual', function (t) {
102 !deepEqual([ 1, 2, 3 ], { 0 : 1, 1 : 2, 2 : 3 }),
103 'arrays are not objects'
108 test('falsy', function (t) {
110 !deepEqual([ undefined ], [ null ]),
111 'null is not undefined!'
115 !deepEqual([ null ], [ undefined ]),
116 'undefined is not null!'
121 { a : 1, b : 2, c : [ 3, undefined, 5 ] },
122 { a : 1, b : 2, c : [ 3, null, 5 ] }
124 'undefined is not null, however deeply!'
129 { a : 1, b : 2, c : [ 3, undefined, 5 ] },
130 { a : 1, b : 2, c : [ 3, null, 5 ] }
132 'null is not undefined, however deeply!'
137 { a : 1, b : 2, c : [ 3, undefined, 5 ] },
138 { a : 1, b : 2, c : [ 3, null, 5 ] }
140 'null is not undefined, however deeply!'
146 test('deletedArrayEqual', function (t) {
147 var xs = [ 1, 2, 3, 4 ];
150 var ys = Object.create(Array.prototype);
157 'arrays with deleted elements are only equal to'
158 + ' arrays with similarly deleted elements'
162 !deepEqual(xs, [ 1, 2, undefined, 4 ]),
163 'deleted array elements cannot be undefined'
167 !deepEqual(xs, [ 1, 2, null, 4 ]),
168 'deleted array elements cannot be null'
174 test('deletedObjectEqual', function (t) {
175 var obj = { a : 1, b : 2, c : 3 };
179 deepEqual(obj, { a : 1, b : 2 }),
180 'deleted object elements should not show up'
184 !deepEqual(obj, { a : 1, b : 2, c : undefined }),
185 'deleted object elements are not undefined'
189 !deepEqual(obj, { a : 1, b : 2, c : null }),
190 'deleted object elements are not null'
196 test('emptyKeyEqual', function (t) {
198 { a : 1 }, { a : 1, '' : 55 }
204 test('deepArguments', function (t) {
208 (function () { return arguments })(4, 5, 6)
210 'arguments are not arrays'
215 (function () { return arguments })(4, 5, 6),
216 (function () { return arguments })(4, 5, 6)
218 'arguments should equal'
224 test('deepUn', function (t) {
225 t.ok(!deepEqual({ a : 1, b : 2 }, undefined));
226 t.ok(!deepEqual({ a : 1, b : 2 }, {}));
227 t.ok(!deepEqual(undefined, { a : 1, b : 2 }));
228 t.ok(!deepEqual({}, { a : 1, b : 2 }));
229 t.ok(deepEqual(undefined, undefined));
230 t.ok(deepEqual(null, null));
231 t.ok(!deepEqual(undefined, null));
236 test('deepLevels', function (t) {
237 var xs = [ 1, 2, [ 3, 4, [ 5, 6 ] ] ];
238 t.ok(!deepEqual(xs, []));