test/isOdd.test.js

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file Houses unit tests for the isOdd function, ensuring it correctly identifies whether numbers are odd or even.

import { test } from "node:test";
import assert from "node:assert/strict";
import { isOdd } from "../src/isOdd.js";

test("isOdd", () => {
  assert.strictEqual(isOdd(1), true);
  assert.strictEqual(isOdd(2), false);
  assert.strictEqual(isOdd(-1), true);
  assert.strictEqual(isOdd(0), false);
});