! exec hof fmt in.cs
cmp stdout golden.stdout

-- in.cs --
public class ClassName {
    public void CallMethod( { 
        this.LongUglyMethod("1234567890", "abcdefghijklmnopqrstuvwxyz", "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
    }
}
-- golden.stdout --
formatting 1 file(s) from in.cs

"Errors while formatting:\n(2,29): error CS1026: ) expected\n"

while formatting source: error while formatting in.cs
encountered 1 errors while formatting
