public void ItShouldThrow(char letter)
{
//Arrange
RomansConverter sut = new RomansConverter();
//Act
//Assert
Assert.Throws <ArgumentException>(() => sut.LookupChar(letter));
}
public void ItShouldConstruct()
{
//Arrange
RomansConverter sut = new RomansConverter();
//Act
//Assert
Assert.NotNull(sut);
}
public void ItShouldReturn0IfInvalidChar(char letter)
{
//Arrange
RomansConverter sut = new RomansConverter();
//Act
int result = sut.FromNumeral(letter.ToString());
//Assert
Assert.True(result == 0);
}
public void ItShouldLookup(
char letter,
int expectedValue)
{
//Arrange
RomansConverter sut = new RomansConverter();
//Act
int returnedValue = sut.LookupChar(letter);
//Assert
Assert.Equal(expectedValue, returnedValue);
}
public void ItShouldConvert(
string input,
int expected)
{
//Arrange
RomansConverter sut = new RomansConverter();
//Act
int result = sut.FromNumeral(input);
//Assert
Assert.Equal(expected, result);
}
public void ItShouldReturnEmptyStringIfInvalidInput(
int digit,
string expected)
{
//Arrange
RomansConverter sut = new RomansConverter();
//Act
string result = sut.ToNumeral(digit);
//Assert
expected.Should().BeEquivalentTo(result);
}