import { describe, expect, test } from 'vitest';

import { assert } from './assert';

describe('assert', () => {
  test('does not throw for true condition', () => {
    expect(() => assert(true, 'should not throw')).not.toThrow();
  });

  test('throws in dev mode for false condition', () => {
    expect(() => assert(false, 'should throw')).toThrow('Assertion failed: should throw');
  });

  test('includes message in error', () => {
    try {
      assert(false, 'custom message here');
    } catch (e: any) {
      expect(e.message).toContain('custom message here');
    }
  });

  test('does not throw for truthy values', () => {
    expect(() => assert(1 === 1, 'math works')).not.toThrow();
    expect(() => assert('hello' === 'hello', 'strings work')).not.toThrow();
  });
});