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@antv/x6

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JavaScript diagramming library that uses SVG and HTML for rendering.

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import { Color } from './color'; describe('Color', () => { describe('#constructor', () => { it('shoud create instance from named color', () => { const black = new Color(Color.named.black); expect(black.r).toBe(0); expect(black.g).toBe(0); expect(black.b).toBe(0); expect(black.a).toBe(1); const white = new Color(Color.named.white); expect(white.r).toBe(255); expect(white.g).toBe(255); expect(white.b).toBe(255); expect(black.a).toBe(1); }); it('should create instance from hex color', () => { const black = new Color('#000000'); expect(black.r).toBe(0); expect(black.g).toBe(0); expect(black.b).toBe(0); expect(black.a).toBe(1); const white = new Color('#fff'); expect(white.r).toBe(255); expect(white.g).toBe(255); expect(white.b).toBe(255); expect(black.a).toBe(1); }); it('should create instance from rgba array', () => { const black = new Color([0, 0, 0, 1]); expect(black.r).toBe(0); expect(black.g).toBe(0); expect(black.b).toBe(0); expect(black.a).toBe(1); }); it('should create instance from rgba values', () => { const black = new Color(-1, 0, 300, 1); expect(black.r).toBe(0); expect(black.g).toBe(0); expect(black.b).toBe(255); expect(black.a).toBe(1); }); }); describe('#randomHex', () => { it('shoud return valid random hex value', () => { expect(Color.randomHex()).toMatch(/^#[0-9A-F]{6}/); }); }); describe('#randomRGBA', () => { it('shoud generate an rgba color string', () => { expect(Color.randomRGBA().startsWith('rgba')).toBe(true); expect(Color.randomRGBA(true).startsWith('rgba')).toBe(true); }); }); describe('#invert', () => { it('shoud return invert value of a color value', () => { expect(Color.invert('#ffffff', false)).toBe('#000000'); expect(Color.invert('#000', false)).toBe('#ffffff'); expect(Color.invert('234567', false)).toBe('dcba98'); }); it('decide font color in white or black depending on background color', () => { expect(Color.invert('#121212', true)).toBe('#ffffff'); expect(Color.invert('#feeade', true)).toBe('#000000'); }); it('shoud throw exception with invalid color value', () => { expect(() => { Color.invert('#abcd', false); }).toThrowError('Invalid hex color.'); }); }); }); //# sourceMappingURL=color.test.js.map