public void SiblingsTest()//Ex 1 { Assert.AreEqual(_sibling.GetBiggestSibling(355), 553); Assert.AreEqual(_sibling.GetBiggestSibling(213), 321); Assert.AreEqual(_sibling.GetBiggestSibling(553), 553); Assert.AreEqual(_sibling.GetBiggestSibling(-10), 0); Assert.AreEqual(_sibling.GetBiggestSibling(100000001), -1); Assert.AreEqual(_sibling.GetBiggestSibling(100000000), 100000000); }