qb', '40px');
      assert_unit_equals(child, '10cqmin', '30px');
      assert_unit_equals(child, '10cqmax', '40px');
      assert_unit_equals(child, '-10cqmin', '-30px');
      assert_unit_equals(child, '-10cqmax', '-40px');

    } finally {
      for (let c of [c1, c2, c3, c4, child])
        c.className = '';
    }
  }, 'Container units select the proper container');

  test(() => {
    try {
      c1.className = 'size w500 h400';
      c2.className = 'inline w300 h200';

      // [cqi, cqb] corresponds 