public void BeginningAndEnding() { Dictionary <string, string> expected = new Dictionary <string, string>() { { "b", "g" }, { "c", "e" } }; Dictionary <string, string> actual = exercises.BeginningAndEnding(new string[] { "code", "bug" }); AssertCollections(expected, actual); expected = new Dictionary <string, string>() { { "m", "n" }, }; actual = exercises.BeginningAndEnding(new string[] { "man", "moon", "main" }); AssertCollections(expected, actual); expected = new Dictionary <string, string>() { { "g", "d" }, { "m", "t" }, { "n", "t" } }; actual = exercises.BeginningAndEnding(new string[] { "muddy", "good", "moat", "good", "night" }); AssertCollections(expected, actual); }