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// @flow
/* eslint-env mocha */
import assert from 'power-assert'
import nextMonday from '.'
describe('nextMonday', function () {
it('returns the following Monday given various dates before the same', function () {
assert.deepStrictEqual(
nextMonday(new Date(2020, 2 /* Mar */, 23)),
new Date(2020, 2 /* Mar */, 30)
)
assert.deepStrictEqual(
nextMonday(new Date(2020, 2 /* Mar */, 22)),
new Date(2020, 2 /* Mar */, 23)
)
assert.deepStrictEqual(
nextMonday(new Date(2020, 3 /* Apr */, 11)),
new Date(2020, 3 /* Apr */, 13)
)
assert.deepStrictEqual(
nextMonday(new Date(2020, 2 /* Mar */, 20)),
new Date(2020, 2 /* Mar */, 23)
)
assert.deepStrictEqual(
nextMonday(new Date(2020, 2 /* Mar */, 19)),
new Date(2020, 2 /* Mar */, 23)
)
assert.deepStrictEqual(
nextMonday(new Date(2020, 2 /* Mar */, 18)),
new Date(2020, 2 /* Mar */, 23)
)
assert.deepStrictEqual(
nextMonday(new Date(2020, 2 /* Mar */, 17)),
new Date(2020, 2 /* Mar */, 23)
)
})
it('returns `Invalid Date` if the given date is invalid', function () {
assert(nextMonday(new Date(NaN)) instanceof Date)
})
})
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