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Contents
import isLeapYear from './leap';
describe('A leap year', () => {
it('is not very common', () => {
expect(isLeapYear(2015)).toBeFalsy();
});
xit('is introduced every 4 years to adjust about a day', () => {
expect(isLeapYear(2016)).toBeTruthy();
});
xit('is skipped every 100 years to remove an extra day', () => {
expect(isLeapYear(1900)).toBeFalsy();
});
xit('is reintroduced every 400 years to adjust another day', () => {
expect(isLeapYear(2000)).toBeTruthy();
});
// Feel free to enable the following tests to check some more examples
xdescribe('Additional example of a leap year that', () => {
it('is not a leap year', () => {
expect(isLeapYear(1978)).toBeFalsy();
});
it('is a common leap year', () => {
expect(isLeapYear(1992)).toBeTruthy();
});
it('is skipped every 100 years', () => {
expect(isLeapYear(2100)).toBeFalsy();
});
it('is reintroduced every 400 years', () => {
expect(isLeapYear(2400)).toBeTruthy();
});
});
});
Version data entries
160 entries across 160 versions & 1 rubygems