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import { propSatisfies } from './propSatisfies.js'
const obj = { a : 1 }
test('when true', () => {  expect(propSatisfies(    x => x > 0, 'a', obj  )).toBeTrue()})
test('when false', () => {  expect(propSatisfies(x => x < 0, 'a')(obj)).toBeFalse()})