index.js

function shout (string) {
  return string.toUpperCase ()
}

/* describe('whisper(string)', function() {
  it('receives one argument and returns it in all lowercase', function() {
    expect(whisper('HELLO')).toEqual('hello')
  })
})*/

function whisper (string) {
  return string.toLowerCase ()
}

/* describe('logShout(string)', function() {
  it('takes a string argument and logs it in all caps using console.log()', function() {
    const spy = expect.spyOn(console, 'log').andCallThrough()

    logShout('hello')

    expect(spy).toHaveBeenCalledWith('HELLO')

    console.log.restore()
  })
}) */


function logShout(string) {
  console.log(string.toUpperCase())
}

/* describe('logWhisper(string)', function() {
  it('takes a string argument and logs it in all lowercase using console.log()', function() {
    const spy = expect.spyOn(console, 'log').andCallThrough()

    logWhisper('HELLO')

    expect(spy).toHaveBeenCalledWith('hello')

    console.log.restore()
  })
}) */

function logWhisper(string) {
  console.log(string.toLowerCase())
}


/* describe('sayHiToGrandma(string)', function() {
  it('returns "I can\'t hear you!" if `string` is lowercase', function() {
    expect(sayHiToGrandma('hello')).toEqual("I can't hear you!")
  })

  it('returns "YES INDEED!" if `string` is uppercase', function() {
    expect(sayHiToGrandma('HELLO')).toEqual("YES INDEED!")
  })

  it('returns "I love you, too." if `string` is "I love you, Grandma."`', function() {
    expect(sayHiToGrandma("I love you, Grandma.")).toEqual("I love you, too.")
  })
}) */


function sayHiToGrandma(string){
  if (string === string.toLowerCase()){
     return "I can\'t hear you!"
}
  if (string === string.toUpperCase()){
    return "YES INDEED!"
  }
  if (string === "I love you, Grandma."){
   return "I love you, too."
 }
}