public void LongestCommonPrefixTest(string [] input, string expected)
{
var solver = new LongestCommonPrefixProblem();
var result = solver.LongestCommonPrefix(input);
Assert.AreEqual(expected, result);
}
public void LongestCommonPrefixProblemTest()
{
var solution = new LongestCommonPrefixProblem();
Assert.Equal("fl", solution.LongestCommonPrefix(new string[] { "flower", "flow", "flight" }));
Assert.Equal("", solution.LongestCommonPrefix(new string[] { "", "flow", "flight" }));
Assert.Equal("f", solution.LongestCommonPrefix(new string[] { "f", "flow", "flight" }));
Assert.Equal("f", solution.LongestCommonPrefix(new string[] { "flow", "f", "flow", "flight" }));
Assert.Equal("", solution.LongestCommonPrefix(new string[] { "flow", null, "flow", "flight" }));
Assert.Equal("flow", solution.LongestCommonPrefix(new string[] { "flow", "flow", "flow", "flow" }));
}
