basicprimitives/src/common/colors.test.js

Basic Primitives Diagrams for JavaScript - data visualization components library that implements organizational chart and multi-parent dependency diagrams, contains implementations of JavaScript Controls and PDF rendering plugins.

import { highestContrast } from './colors';

test('highestContrast - White on black has higher contrast than yellow on black', () => {
    expect(highestContrast("black", "white", "yellow")).toBe("white");
});