text: var expect = require('expect');
  var circle = require('../app/scripts/area');
  
  
  describe('Lame tests', function() {
    it('should evaluate true to true', function() {
      expect(true).toBe(true);
    });
  
    it('should add 2 and 3 and return 5', function() {
      expect(2+3).toEqual(5);
    });
  })
  
  describe('Area tests', function() {
    it('should say area exists', function() {
      expect(circle).toExist();
    });
  
    it('should have a property called area', function() {
      expect(circle.area).toExist();
    });
  
    it('should return 4 when passed 2', function() {
      expect(circle.area(2)).toEqual(12.566370614359172);
    })
  
    it('should return 625 when passed 25', function() {
      expect(circle.area(25)).toEqual(1963.4954084936207);
    })
  
    it('should have a property called perimeter', function() {
      expect(circle.perimeter).toExist();
    });
  
    it('should return the correct value when passed 2', function() {
      expect(circle.perimeter(2)).toEqual(12.566370614359172);
    })
  
    it('should return the correct value when passed 25', function() {
      expect(circle.perimeter(25)).toEqual(157.07963267948966);
    });
  
  
    it('should have a property called volume', function() {
      expect(circle.volume).toExist();
    })
  })
  