public void GetHashCode_WithEqualObject_EqualHashes(string code)
{
var x = new DOPostalCode(code);
var y = new DOPostalCode(code);
Assert.IsTrue(x.GetHashCode() == y.GetHashCode());
}
public void CompareTo_ReturnsExpectedSign(string postalCodeBefore, string postalCodeAfter)
{
var b = new DOPostalCode(postalCodeBefore);
var a = new DOPostalCode(postalCodeAfter);
Assert.AreEqual(Math.Sign(-1), Math.Sign(b.CompareTo(a)));
Assert.AreEqual(Math.Sign(1), Math.Sign(a.CompareTo(b)));
}
public void Successor_ValidInput_ReturnsCorrectPostalCode(string postalCode, string postalCodeSuccessor)
{
var code = new DOPostalCode(postalCode);
var codeSuccessor = new DOPostalCode(postalCodeSuccessor);
Assert.AreEqual(codeSuccessor, code.Successor);
Assert.AreEqual(codeSuccessor.ToString(), code.Successor.ToString());
Assert.AreEqual(codeSuccessor.ToHumanReadableString(), code.Successor.ToHumanReadableString());
}
public void AreAdjacent_WithAdjacentPostalCodes_ReturnsTrue(string code)
{
var x = new DOPostalCode(code);
var xPred = x.Predecessor;
var xSucc = x.Successor;
Assert.IsTrue(PostalCode.AreAdjacent(x, xPred));
Assert.IsTrue(PostalCode.AreAdjacent(xPred, x));
Assert.IsTrue(PostalCode.AreAdjacent(x, xSucc));
Assert.IsTrue(PostalCode.AreAdjacent(xSucc, x));
Assert.IsFalse(PostalCode.AreAdjacent(xPred, xSucc));
}