public void ShouldIncludeAReturnKeywordForACoalesce() { var stringVariable1 = Expression.Variable(typeof(string), "myString"); var stringVariable2 = Expression.Variable(typeof(string), "yourString"); var assignStrings = Expression.Assign(stringVariable1, stringVariable2); var stringEmpty = Expression.Field(null, typeof(string), "Empty"); var variableOrNull = Expression.Coalesce(stringVariable1, stringEmpty); var coalesceBlock = Expression.Block(assignStrings, variableOrNull); var translated = ToReadableString(coalesceBlock); const string EXPECTED = @" var myString = yourString; return (myString ?? string.Empty);"; translated.ShouldBe(EXPECTED.TrimStart()); }