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
/* eslint no-shadow: 0 */
const test = require("tap").test;const ss = require("../");
test("mode", function (t) {    ["mode", "modeFast"].forEach(function (modeName) {        t.test(modeName, function (t) {            const modeFn = ss[modeName];
            t.test(                "the mode of a single-number array is that one number",                function (t) {                    t.equal(modeFn([1]), 1);                    t.end();                }            );
            t.test(                "the mode of a two-number array is that one number",                function (t) {                    t.equal(modeFn([1, 1]), 1);                    t.end();                }            );
            t.test("other cases", function (t) {                t.equal(modeFn([1, 1, 2]), 1);                t.equal(modeFn([1, 1, 2, 3]), 1);                t.equal(modeFn([1, 1, 2, 3, 3]), 1);                t.equal(modeFn([1, 1, 2, 3, 3, 3]), 3);                t.equal(modeFn([1, 2, 2, 2, 1, 2, 3, 3, 3]), 2);                t.equal(modeFn([1, 2, 3, 4, 5]), 1);                t.equal(modeFn([1, 2, 3, 4, 5, 5]), 5);                t.equal(modeFn([1, 2, 2, 3, 3, 4, 1, 4, 1]), 1);                t.end();            });
            t.test("the mode of an empty array is null", function (t) {                t.throws(function () {                    modeFn([]);                });                t.end();            });
            t.test(                "the mode of a three-number array with two same numbers is the repeated one",                function (t) {                    t.equal(modeFn([1, 2, 2]), 2);                    t.end();                }            );
            t.end();        });    });
    t.test("mode sorted", function (t) {        t.equal(ss.modeSorted([1, 2, 2]), 2);        t.end();    });
    t.end();});