public void LetterDictionaryLoadsWithAllLettersAndZeroCount()
{
Pangram pangram = new Pangram();
var dictionary = pangram.LoadDictionary();
// There are 26 letters in the dictionary
Assert.AreEqual(dictionary.Count, 26);
// For each letter we should have a count of zero
foreach (var letterCount in dictionary)
{
Assert.AreEqual(letterCount.Value, 0);
}
}