text: import divide from '../src/divide.js';
  
  test('divide by zero', () => {
      expect(divide(1,0)).toBe(NaN);
  });
  
  test('two negative numbers', () => {
      expect(divide(-1,-1)).toBe(1);
  });
  // Bug found, skipped so coverage is sent to coveralls
  test.skip('return floating point number', () => {
      expect(divide(-1,-2)).toBe(0.5);
  });
  
  test('invalid input', () => {
      expect(divide(1,'hello world')).toBe(NaN);
  });
  
  test('divide infinity by inifnity', () => {
      expect(divide(Infinity, Infinity)).toBe(NaN);
  });