public void ToStringShouldStartWithACapitalLetter()
{
var sentence = new Sentence(
new Word("fi"), new Word("fo"), new Word("fum"));
Assert.Equal('F', sentence.ToString()[0]);
}
public void ToStringShouldSpaceWordsWithSpaces()
{
var sentence = new Sentence(new Word("foo"), new Word("bar"));
Assert.Equal("Foo bar.", sentence.ToString());
}
public void ToStringShouldEndWithPeriod()
{
var sentence = new Sentence(new Word("foo"), new Word("bar"));
Assert.Equal('.', sentence.ToString().Last());
}