public void VerifyParseInputSortsInput()
{
const string input = "2,4,3";
List <int> output = NumCombo.ParseInput(input);
Assert.AreEqual(3, output.Count);
Assert.AreEqual(2, output[0]);
Assert.AreEqual(3, output[1]);
Assert.AreEqual(4, output[2]);
}
public void VerifyParseInputWithSpaces()
{
const string input = "2, 3, 4";
List <int> output = NumCombo.ParseInput(input);
Assert.AreEqual(3, output.Count);
Assert.AreEqual(2, output[0]);
Assert.AreEqual(3, output[1]);
Assert.AreEqual(4, output[2]);
}
public void VerifyOutput()
{
const string input = "5, 3, 15";
List <string> output = NumCombo.FindRelations(NumCombo.ParseInput(input));
Assert.AreEqual(4, output.Count);
Assert.AreEqual("3 * 5 = 15", output[0]);
Assert.AreEqual("5 * 3 = 15", output[1]);
Assert.AreEqual("15 / 5 = 3", output[2]);
Assert.AreEqual("15 / 3 = 5", output[3]);
}
public void VerifyParseInputNoSpaces()
{
// Given a string like "2,3,4"
// return a list of just the integers.
const string input = "2,3,4";
List <int> output = NumCombo.ParseInput(input);
Assert.AreEqual(3, output.Count);
Assert.AreEqual(2, output[0]);
Assert.AreEqual(3, output[1]);
Assert.AreEqual(4, output[2]);
}
public void WhenInputContainsInvalidCharsExceptionIsThrown()
{
Assert.Throws <ArgumentException>(() => NumCombo.ParseInput("2, F, 4"));
}
public void WhenInputIsBlankExceptionIsThrown()
{
Assert.Throws <ArgumentException>(() => NumCombo.ParseInput(null));
}
