public void SimpleChangePriorityTest() { SearchEngine engine = new SearchEngine(); InsertSamples(ref engine); var results = engine.Find("win").ToArray(); Assert.IsTrue(results[0] == "D:\\Folder1\\Winfred3;90"); Assert.IsTrue(results.Length == 4); engine.ChangePriority(@"D:\WinFred\index.html", 30); var results2 = engine.Find("ind").ToArray(); Assert.IsTrue(results2[0] == "D:\\WinFred\\index.html;96"); engine.ChangePriority(@"D:\WinFred\index.html", -30); Assert.IsTrue(engine.Find("ind").ToArray()[0] == "D:\\WinFred\\index.html;66"); }