svg-pathdata/dist/tests/numbers.test.js

Manipulate SVG path data (path[d] attribute content) simply and efficiently.

import { describe, test, expect } from '@jest/globals';
import { SVGPathData } from '../index.js';
describe('Parsing commands with different numbers', () => {
    test('should work with a 1 char integer', () => {
        expect(new SVGPathData('H0').commands[0].x).toEqual(0);
    });
    test('should work with a big integer', () => {
        expect(new SVGPathData('H1234567890').commands[0].x).toEqual(1234567890);
    });
    test('should work with a explicitly positive integer', () => {
        expect(new SVGPathData('H+1254664').commands[0].x).toEqual(+1254664);
    });
    test('should work with a negative integer', () => {
        expect(new SVGPathData('H-1254664').commands[0].x).toEqual(-1254664);
    });
    test('should work with a float with left side digits', () => {
        expect(new SVGPathData('H123.456').commands[0].x).toEqual(123.456);
    });
    test('should work with a float without left side digits', () => {
        expect(new SVGPathData('H.456').commands[0].x).toEqual(0.456);
    });
    test('should work with a float without right side digits', () => {
        expect(new SVGPathData('H123.').commands[0].x).toEqual(123.0);
    });
    test('should work with a number with a positive exponent', () => {
        expect(new SVGPathData('H123.456e125').commands[0].x).toEqual(123.456e125);
    });
    test('should work with a number with an explicitly positive exponent', () => {
        expect(new SVGPathData('H123.456e+125').commands[0].x).toEqual(123.456e125);
    });
    test('should work with a number with a negative exponent', () => {
        expect(new SVGPathData('H123.456e-125').commands[0].x).toEqual(123.456e-125);
    });
    test('should work with a negative number with a positive exponent', () => {
        expect(new SVGPathData('H-123.456e125').commands[0].x).toEqual(-123.456e125);
    });
    test('should work with a negative number with an explicitly positive exponent', () => {
        expect(new SVGPathData('H-123.456e+125').commands[0].x).toEqual(-123.456e125);
    });
    test('should work with a negative number with a negative exponent', () => {
        expect(new SVGPathData('H-123.456e-125').commands[0].x).toEqual(-123.456e-125);
    });
    test('should work with sign separated numbers', () => {
        const commands = new SVGPathData('M-123.456e-125-1234.456e-125')
            .commands;
        expect(commands[0].x).toEqual(-123.456e-125);
        expect(commands[0].y).toEqual(-1234.456e-125);
    });
    test('should work with sign separated numbers', () => {
        const commands = new SVGPathData('M-1.456e-125-12.456e-125-123.456e-125-1234.456e-125').commands;
        expect(commands[0].x).toEqual(-1.456e-125);
        expect(commands[0].y).toEqual(-12.456e-125);
        expect(commands[1].x).toEqual(-123.456e-125);
        expect(commands[1].y).toEqual(-1234.456e-125);
    });
    test('should work with decpoint separated numbers', () => {
        const commands = new SVGPathData('M-123.123e-123.456e-456')
            .commands;
        expect(commands[0].x).toEqual(-123.123e-123);
        expect(commands[0].y).toEqual(0.456e-456);
    });
    test('should work with decpoint separated numbers', () => {
        const commands = new SVGPathData('M-123.123e-123.456e-456.789e-789.123e-123').commands;
        expect(commands[0].x).toEqual(-123.123e-123);
        expect(commands[0].y).toEqual(0.456e-456);
        expect(commands[1].x).toEqual(0.789e-789);
        expect(commands[1].y).toEqual(0.123e-123);
    });
    test('should fail with eE', () => {
        expect(() => new SVGPathData('H1ee2')).toThrow(new SyntaxError('Invalid number ending at 0'));
    });
});
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