public void WhenADigitIsMinus1_ExpectedDigitReplacedWithQuestionMark()
{
// Arrange
var digits = new[] { -1, 2, 3, 4, 5, 6, 7, 8, 9 };
this._accountNumber = new AccountNumber(digits);
// Act
var result = this.Act();
// Assert
Assert.AreEqual("?23456789", result);
}
public void WhenTheAccountNumberIsValid_ExpectedOnlyAccountNumberReturned()
{
// Arrange
var digits = new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
this._accountNumber = new AccountNumber(digits);
// Act
var result = this.Act();
// Assert
Assert.AreEqual("123456789", result);
}
public void WhenTheDigitsDoNotPassTheCheckSum_ExpectedERRAddedToEndOfString()
{
// Arrange
var digits = new[] { 1, 2, 3, 4, 5, 6, 7, 8, 8 };
this._accountNumber = new AccountNumber(digits);
// Act
var result = this.Act();
// Assert
Assert.AreEqual("123456788 ERR", result);
}
public void WhenOneOfTheDigitsIsMinus1_ExectedILLAddedToEndOfString()
{
// Arrange
var digits = new[] { -1, 2, 3, 4, 5, 6, 7, 8, 9 };
this._accountNumber = new AccountNumber(digits);
// Act
var result = this.Act();
// Assert
Assert.AreEqual("?23456789 ILL", result);
}
