public void NextGreatestLetterTests()
{
FindSmallestLetterGreaterThanTarget obj = new FindSmallestLetterGreaterThanTarget();
char[] letters = new char[] { 'c', 'f', 'j' };
var x = obj.NextGreatestLetter(letters, 'a');
Assert.AreEqual(x, 'c');
letters = new char[] { 'c', 'f', 'j' };
x = obj.NextGreatestLetter(letters, 'c');
Assert.AreEqual(x, 'f');
letters = new char[] { 'c', 'f', 'j' };
x = obj.NextGreatestLetter(letters, 'd');
Assert.AreEqual(x, 'f');
letters = new char[] { 'c', 'f', 'j' };
x = obj.NextGreatestLetter(letters, 'g');
Assert.AreEqual(x, 'j');
letters = new char[] { 'c', 'f', 'j' };
x = obj.NextGreatestLetter(letters, 'j');
Assert.AreEqual(x, 'c');
letters = new char[] { 'c', 'f', 'j' };
x = obj.NextGreatestLetter(letters, 'k');
Assert.AreEqual(x, 'c');
}
public void FindSmallestLetterGreaterThanTargetTestMethod()
{
FindSmallestLetterGreaterThanTarget findSmallestLetterGreaterThanTarget = new FindSmallestLetterGreaterThanTarget();
Assert.AreEqual('c', findSmallestLetterGreaterThanTarget.NextGreatestLetter(new[] { 'c', 'f', 'j' }, 'a'));
Assert.AreEqual('f', findSmallestLetterGreaterThanTarget.NextGreatestLetter(new[] { 'c', 'f', 'j' }, 'c'));
Assert.AreEqual('f', findSmallestLetterGreaterThanTarget.NextGreatestLetter(new[] { 'c', 'f', 'j' }, 'd'));
Assert.AreEqual('j', findSmallestLetterGreaterThanTarget.NextGreatestLetter(new[] { 'c', 'f', 'j' }, 'g'));
Assert.AreEqual('c', findSmallestLetterGreaterThanTarget.NextGreatestLetter(new[] { 'c', 'f', 'j' }, 'j'));
Assert.AreEqual('c', findSmallestLetterGreaterThanTarget.NextGreatestLetter(new[] { 'c', 'f', 'j' }, 'k'));
}
public void TestMethod1(char[] letters, char target, char expected)
{
// Arrange
FindSmallestLetterGreaterThanTarget question = new FindSmallestLetterGreaterThanTarget();
// Act
char actual = question.NextGreatestLetter(letters, target);
// Assert
Assert.AreEqual(expected, actual);
}
