| describe('Colors', function () { | |
| describe('Color Construction', function () { | |
| it('should have a color class', function () { | |
| expect(TestFlotr.Color).not.toBeUndefined(); | |
| }); | |
| it('should create a color', function () { | |
| var color = new TestFlotr.Color(0, 0, 0, 0); | |
| expect(color).toBeTruthy(); | |
| }); | |
| it('should have rgba attributes', function () { | |
| var color = new TestFlotr.Color(0, 0, 0, 0); | |
| expect(color.r).toEqual(0); | |
| expect(color.g).toEqual(0); | |
| expect(color.b).toEqual(0); | |
| expect(color.a).toEqual(1.0); | |
| }); | |
| }); | |
| describe('Color Manipulation', function () { | |
| var | |
| color; | |
| afterEach(function () { | |
| color = null; | |
| }); | |
| it('normalizes colors to upper bound', function () { | |
| color = new TestFlotr.Color(1000, 1000, 1000, 10); | |
| expect(color.r).toEqual(255); | |
| expect(color.g).toEqual(255); | |
| expect(color.b).toEqual(255); | |
| expect(color.a).toEqual(1.0); | |
| }); | |
| it('normalizes colors to lower bound', function () { | |
| color = new TestFlotr.Color(-1000, -1000, -1000, -10); | |
| expect(color.r).toEqual(0); | |
| expect(color.g).toEqual(0); | |
| expect(color.b).toEqual(0); | |
| expect(color.a).toEqual(0.0); | |
| }); | |
| it('scales colors', function () { | |
| color = new TestFlotr.Color(200, 200, 200, 1.0); | |
| color.scale(.5, .5, .5, .5); | |
| expect(color.r).toEqual(100); | |
| expect(color.g).toEqual(100); | |
| expect(color.b).toEqual(100); | |
| expect(color.a).toEqual(0.5); | |
| }); | |
| }); | |
| describe('Color Conversion', function () { | |
| var | |
| color; | |
| beforeEach(function () { | |
| color = new TestFlotr.Color(200, 200, 200, 1.0); | |
| }); | |
| afterEach(function () { | |
| color = null; | |
| }); | |
| it('should convert colors to strings, rgb', function () { | |
| expect(color.toString()).toEqual('rgb(200,200,200)'); | |
| }); | |
| it('should convert colors to strings, rgba', function () { | |
| color.a = 0.5; | |
| color.normalize(); | |
| expect(color.toString()).toEqual('rgba(200,200,200,0.5)'); | |
| }); | |
| it('should clone colors', function () { | |
| var | |
| color2 = color.clone(); | |
| expect(color.toString()).toEqual(color2.toString()); | |
| color.a = 0.5; | |
| color.normalize(); | |
| color2 = color.clone(); | |
| expect(color.toString()).toEqual(color2.toString()); | |
| }); | |
| }); | |
| }); | |