public void ShouldSortStringAlphabetically()
{
var stringSorter = new CustomTextSort();
var result = stringSorter.Sort("Contrary to popular belief, the pink unicorn flies east.");
var expected = "aaabcceeeeeffhiiiiklllnnnnooooppprrrrssttttuuy";
for (int resultIndex = 0; resultIndex < result.Length; resultIndex++)
{
char.Equals(result[0], expected[0]);
}
}
public void ShouldThrowArgumentExceptionIfNoLettersInString()
{
var stringSorter = new CustomTextSort();
Assert.Throws <ArgumentException>(() => stringSorter.Sort("1231865465"));
}
public void ShouldThrowArgumentExceptionIfEmptyString()
{
var stringSorter = new CustomTextSort();
Assert.Throws <ArgumentException>(() => stringSorter.Sort(""));
}
