eslint-plugin-ecmascript-compat/lib/compareVersions.test.js

ESLint plugin for checking JavaScript code compatibility with target browsers and Node.js versions

const assert = require('node:assert');
const { test } = require('node:test');
const compareVersions = require('./compareVersions');

test('equal', () => {
  assert.strictEqual(compareVersions('1.2.3', '1.2.3'), 0);
});

test('smaller', () => {
  assert.strictEqual(compareVersions('1.2.0', '1.2.3'), -1);
  assert.strictEqual(compareVersions('1.2', '1.3'), -1);
});

test('larger', () => {
  assert.strictEqual(compareVersions('1.2.3', '1.2.0'), 1);
});

test('partial on one side', () => {
  assert.strictEqual(compareVersions('1.1', '1.2.3'), -1);
  assert.strictEqual(compareVersions('1.1.1', '1.2'), -1);
});

test('when it matters to treat parts as numbers', () => {
  assert.strictEqual(compareVersions('9', '10'), -1);
});