rwwagner90/ember-math-helpers

import { lcm } from 'ember-math-helpers/helpers/lcm';
import { module, test } from 'qunit';
import { setupTest } from 'ember-qunit';

module('Unit | Helper | lcm', function (hooks) {
  setupTest(hooks);

  module('Two integers', function () {
    test('computing lcm for a larger and smaller integer', function (assert) {
      assert.strictEqual(lcm([100, 48]), 1200);
      assert.strictEqual(lcm([48, 100]), 1200);
      assert.strictEqual(lcm([12, 18]), 36);
      assert.strictEqual(lcm([100, 0]), 0);
    });
    test('computing lcm for the absolute value of two integers ', function (assert) {
      assert.strictEqual(lcm([-100, 48]), 1200);
      assert.strictEqual(lcm([100, -48]), 1200);
      assert.strictEqual(lcm([-12, 18]), 36);
      assert.strictEqual(lcm([0, -48]), 0);
    });
  });
  module('Edge-case inputs', function () {
    test('returning 0 by default', function (assert) {
      const result = lcm([]);

      assert.strictEqual(result, 0);
    });
    test('reflecting back single-integer inputs', function (assert) {
      const result = lcm([48]);

      assert.strictEqual(result, 0);
    });
    test('handling numeric strings', function (assert) {
      const result = lcm(['2', '4']);

      assert.strictEqual(result, 4);
    });
  });
});