const expect = require('expect');
const any = require('./any.js');

test('any is a Function', () => {
  expect(any).toBeInstanceOf(Function);
});
test('Returns true for arrays with at least one truthy value', () => {
  expect(any([0,1,2,3])).toBeTruthy();
});
test('Returns false for arrays with no truthy values', () => {
  expect(any([0,0])).toBeFalsy();
});
test('Returns false for arrays with no truthy values', () => {
  expect(any([NaN,0,undefined,null,''])).toBeFalsy();
});
test('Returns true with predicate function', () => {
  expect(any([4,1,0,3], x => x >= 1)).toBeTruthy();
});
test('Returns false with a predicate function', () => {
  expect(any([0,1], x => x < 0)).toBeFalsy();
});