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
|
// @flow
/* eslint-env mocha */
import assert from 'power-assert'
import setDayOfYear from '.'
describe('setDayOfYear', function() {
it('sets the day of the year', function() {
const result = setDayOfYear(new Date(2014, 6 /* Jul */, 2), 2)
assert.deepEqual(result, new Date(2014, 0 /* Jan */, 2))
})
it('accepts a timestamp', function() {
const result = setDayOfYear(new Date(2014, 6 /* Jul */, 2).getTime(), 60)
assert.deepEqual(result, new Date(2014, 2 /* Mar */, 1))
})
it('converts a fractional number to an integer', function() {
const result = setDayOfYear(new Date(2014, 6 /* Jul */, 2), 2.75)
assert.deepEqual(result, new Date(2014, 0 /* Jan */, 2))
})
it('implicitly converts number arguments', function() {
// $ExpectedMistake
// @ts-expect-error
const result = setDayOfYear(new Date(2014, 6 /* Jul */, 2), '2')
assert.deepEqual(result, new Date(2014, 0 /* Jan */, 2))
})
it('does not mutate the original date', function() {
const date = new Date(2014, 6 /* Jul */, 2)
setDayOfYear(date, 365)
assert.deepEqual(date, new Date(2014, 6 /* Jul */, 2))
})
it('returns `Invalid Date` if the given date is invalid', function() {
const result = setDayOfYear(new Date(NaN), 2)
assert(result instanceof Date && isNaN(result))
})
it('returns `Invalid Date` if the given amount is NaN', function() {
const result = setDayOfYear(new Date(2014, 6 /* Jul */, 2), NaN)
assert(result instanceof Date && isNaN(result))
})
it('throws TypeError exception if passed less than 2 arguments', function() {
assert.throws(setDayOfYear.bind(null), TypeError)
assert.throws(setDayOfYear.bind(null, 1), TypeError)
})
})
|
