maplibre-gl/src/render/line_atlas.test.ts

BSD licensed community fork of mapbox-gl, a WebGL interactive maps library

import LineAtlas from './line_atlas';

describe('LineAtlas', () => {
    const lineAtlas = new LineAtlas(64, 64);
    test('round [0, 0]', () => {
        const entry = lineAtlas.addDash([0, 0], true);
        expect(entry.width).toBe(0);
    });
    test('round [1, 0]', () => {
        const entry = lineAtlas.addDash([1, 0], true);
        expect(entry.width).toBe(1);
    });
    test('round [0, 1]', () => {
        const entry = lineAtlas.addDash([0, 1], true);
        expect(entry.width).toBe(1);
    });
    test('odd round [1, 2, 1]', () => {
        const entry = lineAtlas.addDash([1, 2, 1], true);
        expect(entry.width).toBe(4);
    });

    test('regular [0, 0]', () => {
        const entry = lineAtlas.addDash([0, 0], false);
        expect(entry.width).toBe(0);
    });
    test('regular [1, 0]', () => {
        const entry = lineAtlas.addDash([1, 0], false);
        expect(entry.width).toBe(1);
    });
    test('regular [0, 1]', () => {
        const entry = lineAtlas.addDash([0, 1], false);
        expect(entry.width).toBe(1);
    });
    test('odd regular [1, 2, 1]', () => {
        const entry = lineAtlas.addDash([1, 2, 1], false);
        expect(entry.width).toBe(4);
    });
});