public void reverseIntegerTest()
{
var r = new ReverseInteger();
Assert.AreEqual(54321, r.reverseInteger(12345));
Assert.AreEqual(-3424, r.reverseInteger(-4243));
Assert.AreEqual(1, r.reverseInteger(1));
Assert.AreEqual(1, r.reverseInteger(10));
Assert.AreEqual(-1, r.reverseInteger(-100));
Assert.AreEqual(9, r.reverseInteger(900000));
Assert.AreEqual(-109, r.reverseInteger(-901000));
Assert.AreEqual(21, r.reverseInteger(120));
Assert.AreEqual(-201, r.reverseInteger(-102));
Assert.AreEqual(2918, r.reverseInteger(8192));
Assert.AreEqual(-33716, r.reverseInteger(-61733));
Assert.AreEqual(-49743, r.reverseInteger(-34794));
Assert.AreEqual(-72898, r.reverseInteger(-89827));
Assert.AreEqual(-5638, r.reverseInteger(-83650));
Assert.AreEqual(-11517, r.reverseInteger(-71511));
Assert.AreEqual(24802, r.reverseInteger(20842));
Assert.AreEqual(98834, r.reverseInteger(43889));
Assert.AreEqual(321, r.reverseInteger(123));
}