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import { has } from './has.js'
test('happy', () => {  expect(has('a')({ a : 1 })).toBeTrue()  expect(has('b', { a : 1 })).toBeFalse()})
test('with non-object', () => {  expect(has('a', undefined)).toBeFalse()  expect(has('a', null)).toBeFalse()  expect(has('a', true)).toBeFalse()  expect(has('a', '')).toBeFalse()  expect(has('a', /a/)).toBeFalse()})