coverage-metrics-1.js

const doYouLikeDog = (answer) => { // cover
  if (answer === true) return "you like dogs." // cover
  else if (answer === false) return "you don't like dogs." // cover
  else return "you didn't answer my question." // not cover
} // cover

//-----------------------------------

test('pass true on doYouLikeDog()', () => {
  expect(doYouLikeDog(true)).toBe("you like dogs.");
});

test('pass false on doYouLikeDog()', () => {
  expect(doYouLikeDog(false)).toBe("you don't like dogs.");
});