diff -r 40657f9a4e4a -r 663c2a9108d1 testing2/docdiff_test.sh
--- a/testing2/docdiff_test.sh	Sat Oct 31 16:47:46 2020 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,136 +0,0 @@
-#!/bin/bash
-
-# to make the script fail safely
-set -euo pipefail
-
-
-out=${1:-output}
-
-echo "" > $out
-
-echo "Below is the feedback for your submission docdiff.scala" >> $out
-echo "" >> $out
-
-
-# compilation tests
-
-function scala_compile {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala "$1" 2>> $out 1>> $out) 
-}
-
-# functional tests
-
-function scala_assert {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" 2> /dev/null 1> /dev/null)
-}
-
-# purity test
-
-function scala_vars {
-   (egrep '\bvar\b|\breturn\b|\.par|ListBuffer|mutable' "$1" 2> /dev/null 1> /dev/null)
-}
-
-
-# var, .par return, ListBuffer test
-#
-echo "docdiff.scala does not contain vars, returns etc?" >> $out
-
-if (scala_vars docdiff.scala)
-then
-  echo -e "  --> FAIL (make triple-sure your program conforms to the required format)" >> $out
-  tsts0=$(( 0 ))
-else
-  echo -e "  --> success" >> $out
-  tsts0=$(( 0 )) 
-fi
-
-### compilation test
-
-
-if  [ $tsts0 -eq 0 ]
-then 
-  echo "docdiff.scala runs?" >> $out
-
-  if (scala_compile docdiff.scala)
-  then
-    echo -e "  --> success" >> $out
-    tsts=$(( 0 ))
-  else
-    echo -e "  --> SCALA DID NOT RUN docdiff.scala" >> $out
-    tsts=$(( 1 )) 
-  fi
-else
-  tsts=$(( 1 ))     
-fi
-
-### docdiff clean tests
-
-if [ $tsts -eq 0 ]
-then
-  echo -e "docdiff.scala tests:" >> $out
-  echo -e "  clean(\"ab a abc\") == List(\"ab\", \"a\", \"abc\")" >> $out
-  echo -e "  clean(\"ab*a abc1\") == List(\"ab\", \"a\", \"abc1\")" >> $out
-
-  if (scala_assert "docdiff.scala" "docdiff_test1.scala")
-  then
-    echo -e "  --> success\n" >> $out
-  else
-    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
-  fi
-fi
-
-### docdiff occurrences tests
-
-if [ $tsts -eq 0 ]
-then
-  echo -e "  occurrences(List(\"a\", \"b\", \"b\", \"c\", \"d\")) == " >> $out
-  echo -e "      Map(\"a\" -> 1, \"b\" -> 2, \"c\" -> 1, \"d\" -> 1)" >> $out
-  echo -e "  " >> $out
-  echo -e "  occurrences(List(\"d\", \"b\", \"d\", \"b\", \"d\")) == " >> $out
-  echo -e "      Map(\"d\" -> 3, \"b\" -> 2)" >> $out
-
-  if (scala_assert "docdiff.scala" "docdiff_test2.scala") 
-  then
-    echo -e "  --> success\n" >> $out
-  else
-    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
-  fi
-fi
-
-### docdiff prod tests
-
-if [ $tsts -eq 0 ]
-then
-  echo -e "  val l1 = List(\"a\", \"b\", \"b\", \"c\", \"d\")" >> $out
-  echo -e "  val l2 = List(\"d\", \"b\", \"d\", \"b\", \"d\")" >> $out
-  echo -e "  " >> $out
-  echo -e "  prod(l1, l2) == 7 " >> $out
-  echo -e "  prod(l1, l1) == 7 " >> $out
-  echo -e "  prod(l2, l2) == 13 " >> $out
-
-  if (scala_assert "docdiff.scala" "docdiff_test3.scala") 
-  then
-    echo -e "  --> success\n" >> $out
-  else
-    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
-  fi
-fi
-
-### docdiff overlap tests
-
-if [ $tsts -eq 0 ]
-then
-  echo -e "  val l1 = List(\"a\", \"b\", \"b\", \"c\", \"d\")" >> $out
-  echo -e "  val l2 = List(\"d\", \"b\", \"d\", \"b\", \"d\")" >> $out
-  echo -e "  " >> $out
-  echo -e "  overlap(l1, l2) == 0.5384615384615384 " >> $out
-  echo -e "  overlap(l1, l1) == 1.0 " >> $out
-  echo -e "  overlap(l2, l2) == 1.0 " >> $out
-
-  if (scala_assert "docdiff.scala" "docdiff_test4.scala") 
-  then
-    echo -e "  --> success\n" >> $out
-  else
-    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
-  fi
-fi