public void GetAllKeysTest() { var dictionary = new Dictionary <string, int> { { "she", 0 }, { "sells", 0 }, { "shells", 0 }, { "by", 0 }, { "the", 0 }, { "sea", 0 }, { "shore", 0 }, { "a", 0 } }; IEnumerable <string> allKeys = _symbolTable.GetAllKeys(); int expected = 8; int actual = CheckKeys(allKeys, dictionary); Assert.AreEqual(expected, actual); }