public void Predecessor_ValidInput_ReturnsCorrectPostalCode(string postalCode, string postalCodePredecessor)
{
var code = new GBPostalCode(postalCode);
var codePredecessor = new GBPostalCode(postalCodePredecessor);
Assert.AreEqual(codePredecessor, code.Predecessor);
Assert.AreEqual(codePredecessor.ToString(), code.Predecessor.ToString());
Assert.AreEqual(codePredecessor.ToHumanReadableString(), code.Predecessor.ToHumanReadableString());
}
public void Successor_ValidInput_ReturnsCorrectPostalCode(string postalCode, string postalCodeSuccessor)
{
var curr = new GBPostalCode(postalCode);
var succ = curr.Successor;
Assert.AreEqual(postalCodeSuccessor, succ.ToString());
Assert.IsTrue(curr <= succ);
Assert.IsTrue(curr < succ);
}
public void Predecessor_ValidInput_ReturnsCorrectPostalCode(string postalCode, string postalCodePredecessor)
{
var curr = new GBPostalCode(postalCode);
var prev = curr.Predecessor;
Assert.AreEqual(postalCodePredecessor, prev.ToString());
Assert.IsTrue(curr >= prev);
Assert.IsTrue(curr > prev);
}
public void PostalCodeFormatsMatch(string code1, string code2, bool expectedMatch)
{
Assert.AreEqual(expectedMatch, GBPostalCode.HasSameFormat(code1, code2));
}
public void AreAdjacent_WithAdjacentPostalCodes_ReturnsTrue(string code)
{
var x = new GBPostalCode(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));
}
public void GetHashCode_WithEqualObject_EqualHashes(string code)
{
var x = new GBPostalCode(code);
var y = new GBPostalCode(code);
Assert.IsTrue(x.GetHashCode() == y.GetHashCode());
}