public void LongestCommonPrefixTest()
{
var q = new ArrayQ();
var testCase = new string[] { "TotalPackage" };
Assert.AreEqual("TotalPackage", q.LongestCommonPrefix(testCase));
testCase = new string[] { "flower", "flow", "flight" };
Assert.AreEqual("fl", q.LongestCommonPrefix(testCase));
testCase = new string[] { "dog", "racecar", "car" };
Assert.AreEqual("", q.LongestCommonPrefix(testCase));
}
