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// @flow
/* eslint-env mocha */
import assert from 'power-assert'
import isSameUTCWeek from '.'
describe('isSameUTCWeek', function() {
it('returns true if the given dates have the same week', function() {
var result = isSameUTCWeek(
new Date(Date.UTC(2014, 7 /* Aug */, 31)),
new Date(Date.UTC(2014, 8 /* Sep */, 4))
)
assert(result === true)
})
it('returns false if the given dates have different weeks', function() {
var result = isSameUTCWeek(
new Date(Date.UTC(2014, 7 /* Aug */, 30)),
new Date(Date.UTC(2014, 8 /* Sep */, 4))
)
assert(result === false)
})
it('allows to specify which day is the first day of the week', function() {
var result = isSameUTCWeek(
new Date(Date.UTC(2014, 7 /* Aug */, 31)),
new Date(Date.UTC(2014, 8 /* Sep */, 4)),
{ weekStartsOn: 1 }
)
assert(result === false)
})
it('allows to specify which day is the first day of the week in locale', function() {
var result = isSameUTCWeek(
new Date(Date.UTC(2014, 7 /* Aug */, 31)),
new Date(Date.UTC(2014, 8 /* Sep */, 4)),
{
locale: {
options: { weekStartsOn: 1 }
}
}
)
assert(result === false)
})
it('`options.weekStartsOn` overwrites the first day of the week specified in locale', function() {
var result = isSameUTCWeek(
new Date(Date.UTC(2014, 7 /* Aug */, 31)),
new Date(Date.UTC(2014, 8 /* Sep */, 4)),
{
weekStartsOn: 1,
locale: {
options: { weekStartsOn: 0 }
}
}
)
assert(result === false)
})
it('implicitly converts options', function() {
var result = isSameUTCWeek(
new Date(Date.UTC(2014, 7 /* Aug */, 31)),
new Date(Date.UTC(2014, 8 /* Sep */, 4)),
{ weekStartsOn: '1' }
)
assert(result === false)
})
it('accepts a timestamp', function() {
var result = isSameUTCWeek(
Date.UTC(2014, 7 /* Aug */, 31),
Date.UTC(2014, 8 /* Sep */, 4)
)
assert(result === true)
})
it('returns false if the first date is `Invalid Date`', function() {
var result = isSameUTCWeek(
new Date(NaN),
new Date(Date.UTC(1989, 6 /* Jul */, 10))
)
assert(result === false)
})
it('returns false if the second date is `Invalid Date`', function() {
var result = isSameUTCWeek(
new Date(Date.UTC(1987, 1 /* Feb */, 11)),
new Date(NaN)
)
assert(result === false)
})
it('returns false if the both dates are `Invalid Date`', function() {
var result = isSameUTCWeek(new Date(NaN), new Date(NaN))
assert(result === false)
})
it('throws `RangeError` if `options.weekStartsOn` is not convertable to 0, 1, ..., 6 or undefined', function() {
var block = isSameUTCWeek.bind(
null,
new Date(Date.UTC(2014, 7 /* Aug */, 31)),
new Date(Date.UTC(2014, 8 /* Sep */, 4)),
{ weekStartsOn: NaN }
)
assert.throws(block, RangeError)
})
it('throws TypeError exception if passed less than 1 argument', function() {
assert.throws(isSameUTCWeek.bind(null, 1), TypeError)
})
})
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