You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.1 KiB
39 lines
1.1 KiB
import { isLeap } from './leap' |
|
|
|
describe('A leap year', () => { |
|
test('year not divisible by 4 in common year', () => { |
|
expect(isLeap(2015)).toBe(false) |
|
}) |
|
|
|
test('year divisible by 2, not divisible by 4 in common year', () => { |
|
expect(isLeap(1970)).toBe(false) |
|
}) |
|
|
|
test('year divisible by 4, not divisible by 100 in leap year', () => { |
|
expect(isLeap(1996)).toBe(true) |
|
}) |
|
|
|
test('year divisible by 4 and 5 is still a leap year', () => { |
|
expect(isLeap(1960)).toBe(true) |
|
}) |
|
|
|
test('year divisible by 100, not divisible by 400 in common year', () => { |
|
expect(isLeap(2100)).toBe(false) |
|
}) |
|
|
|
test('year divisible by 100 but not by 3 is still not a leap year', () => { |
|
expect(isLeap(1900)).toBe(false) |
|
}) |
|
|
|
test('year divisible by 400 in leap year', () => { |
|
expect(isLeap(2000)).toBe(true) |
|
}) |
|
|
|
test('year divisible by 400 but not by 125 is still a leap year', () => { |
|
expect(isLeap(2400)).toBe(true) |
|
}) |
|
|
|
test('year divisible by 200, not divisible by 400 in common year', () => { |
|
expect(isLeap(1800)).toBe(false) |
|
}) |
|
})
|
|
|