hunk.code_window:   })
     it('accepts string as a date', function() {
       var date = startOfHour('2014-12-01T12:35:00')
       // We use Date.UTC here, because string '2014-12-01T12:35:00' is in UTC format
       expect(date).to.be.eql(new Date(Date.UTC(2014, 11, 1, 12, 0)))
     })
   })
  
hunk.labels: keep keep keep replace replace replace keep keep keep
hunk.after_edit:     var date = new Date(2014, 11 /* Dec */, 1, 12, 45).toISOString()
       var result = startOfHour(date)
       expect(result).to.be.eql(new Date(2014, 11, 1, 12, 0))
  
hunk.file_path: src/__tests__/start_of_hour_test.js
hunk.type: replace
file: var isSameDay = require('../is_same_day')
  
  describe('isSameDay', function() {
    it('returns true if passed dates has same day', function() {
      var result = isSameDay(
        new Date(2014, 8 /* Sep */, 4, 6, 0),
        new Date(2014, 8 /* Sep */, 4, 18, 0)
      )
      expect(result).to.be.true
    })
  
    it('returns false if passed dates has different days', function() {
      var result = isSameDay(
        new Date(2014, 8 /* Sep */, 4, 23, 59),
        new Date(2014, 8 /* Sep */, 5, 0, 0)
      )
      expect(result).to.be.false
    })
  
    it('allows to pass string', function() {
      var result = isSameDay(
        new Date(2014, 8 /* Sep */, 4, 6, 0).toISOString(),
        new Date(2014, 8 /* Sep */, 4, 18, 0).toISOString()
      )
      expect(result).to.be.true
    })
  
    it('allows to pass timestamp', function() {
      var result = isSameDay(
        new Date(2014, 8 /* Sep */, 4, 6, 0).getTime(),
        new Date(2014, 8 /* Sep */, 4, 18, 0).getTime()
      )
      expect(result).to.be.true
    })
  })
  
  