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import { xor } from './xor.js'
test('compares two values with exclusive or', () => {  expect(xor(true, true)).toBeFalse()  expect(xor(true, false)).toBeTrue()  expect(xor(false, true)).toBeTrue()  expect(xor(false, false)).toBeFalse()})
test('when both values are truthy, it should return false', () => {  expect(xor(true, 'foo')).toBeFalse()  expect(xor(42, true)).toBeFalse()  expect(xor('foo', 42)).toBeFalse()  expect(xor({}, true)).toBeFalse()  expect(xor(true, [])).toBeFalse()  expect(xor([], {})).toBeFalse()  expect(xor(new Date(), true)).toBeFalse()  expect(xor(true, Infinity)).toBeFalse()  expect(xor(Infinity, new Date())).toBeFalse()})
test('when both values are falsy, it should return false', () => {  expect(xor(null, false)).toBeFalse()  expect(xor(false, undefined)).toBeFalse()  expect(xor(undefined, null)).toBeFalse()  expect(xor(0, false)).toBeFalse()  expect(xor(false, NaN)).toBeFalse()  expect(xor(NaN, 0)).toBeFalse()  expect(xor('', false)).toBeFalse()})
test('when one argument is truthy and the other is falsy, it should return true', () => {  expect(xor('foo', null)).toBeTrue()  expect(xor(null, 'foo')).toBeTrue()  expect(xor(undefined, 42)).toBeTrue()  expect(xor(42, undefined)).toBeTrue()  expect(xor(Infinity, NaN)).toBeTrue()  expect(xor(NaN, Infinity)).toBeTrue()  expect(xor({}, '')).toBeTrue()  expect(xor('', {})).toBeTrue()  expect(xor(new Date(), 0)).toBeTrue()  expect(xor(0, new Date())).toBeTrue()  expect(xor([], null)).toBeTrue()  expect(xor(undefined, [])).toBeTrue()})