1 // for testing evaluation

     2 

     3 import scala.util.{Try, Success, Failure}

     4 import $file.cw034_add

     5 import cw034_add._

     6 

     7 val str = os.read(os.pwd / "test.while")

     8 val output = "1\n"

     9 

    10 Try(test_string(str)) match {

    11   case Success(v) if urban == output => Console.println(s"Generated the correct output\n\"\"\"$urban\"\"\"")

    12   case Success(v) => Console.println(s"Generated\n\"\"\"$urban\"\"\"\ninstead of\n\"\"\"$output\"\"\"") ; throw new Exception("Different")

    13   case Failure(e) => Console.println(s"Exception raised.") ; throw(e)

    14 }