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// @flow
/* eslint-env mocha */
import assert from 'power-assert'
import nextDay from '.'
describe('nextDay', function () {
it('returns the following Monday given various dates before the same', function () {
assert.deepStrictEqual(
nextDay(new Date(2020, 2 /* Mar */, 20), 1),
new Date(2020, 2 /* Mar */, 23)
)
assert.deepStrictEqual(
nextDay(new Date(2020, 2 /* Mar */, 19), 1),
new Date(2020, 2 /* Mar */, 23)
)
assert.deepStrictEqual(
nextDay(new Date(2020, 2 /* Mar */, 18), 1),
new Date(2020, 2 /* Mar */, 23)
)
assert.deepStrictEqual(
nextDay(new Date(2020, 2 /* Mar */, 17), 1),
new Date(2020, 2 /* Mar */, 23)
)
assert.deepStrictEqual(
nextDay(new Date(2020, 2 /* Mar */, 16), 1),
new Date(2020, 2 /* Mar */, 23)
)
assert.deepStrictEqual(
nextDay(new Date(2020, 2 /* Mar */, 22), 1),
new Date(2020, 2 /* Mar */, 23)
)
assert.deepStrictEqual(
nextDay(new Date(2020, 4 /* May */, 2), 1),
new Date(2020, 4 /* May */, 4)
)
})
it('returns the following Tuesday given the Saturday before it', function () {
assert.deepStrictEqual(
nextDay(new Date(2020, 4 /* May */, 2), 2),
new Date(2020, 4 /* May */, 5)
)
})
it('returns the following Wednesday given the Saturday before it', function () {
assert.deepStrictEqual(
nextDay(new Date(2020, 4 /* May */, 2), 3),
new Date(2020, 4 /* May */, 6)
)
})
it('returns the following Thursday given the Saturday before it', function () {
assert.deepStrictEqual(
nextDay(new Date(2020, 4 /* May */, 2), 4),
new Date(2020, 4 /* May */, 7)
)
})
it('returns the following Friday given the Saturday before it', function () {
assert.deepStrictEqual(
nextDay(new Date(2020, 4 /* May */, 2), 5),
new Date(2020, 4 /* May */, 8)
)
})
it('returns the following Saturday given the Saturday before it', function () {
assert.deepStrictEqual(
nextDay(new Date(2020, 4 /* May */, 2), 6),
new Date(2020, 4 /* May */, 9)
)
})
it('returns next Sunday given the day is Sunday', function () {
assert.deepStrictEqual(
nextDay(new Date(2020, 2 /* Mar */, 22), 0),
new Date(2020, 2 /* Mar */, 29)
)
})
})
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