--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_marking4/knight2_test.sh	Sun Jan 31 00:18:14 2021 +0000
@@ -0,0 +1,310 @@
+#!/bin/bash
+
+# to make the script fail safely
+set -euo pipefail
+
+
+out=${1:-output}
+
+echo "" > $out
+
+echo -e `date` >> $out
+echo -e  "" >> $out
+echo "Below is the feedback and provisional marks for your submission" >> $out
+echo "for the Main Part 4 (Scala).  Please note all marks are provisional until" >> $out
+echo "ratified by the assessment board -- this is not an official" >> $out
+echo "results transcript." >> $out
+echo "" >> $out
+
+# marks for core CW9
+marks=$(( 0 ))
+
+# compilation tests
+
+function scala_compile {
+  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -Xprint:parser "$1" 2> c$out 1> c$out)
+}
+
+# functional tests
+
+function scala_assert {
+  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)
+}
+
+function scala_assert_thirty {
+  (ulimit -t 40; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)  
+}
+
+# purity test
+
+function scala_vars {
+   (egrep '\bvar\b|\breturn\b|\.par\.|\.par |ListBuffer|AtomicInteger|mutable|util.control|new Array' c$out 2> /dev/null 1> /dev/null)
+}
+
+echo -e "" >> $out
+echo -e  "Below is the feedback for your submission knight1.scala" >> $out
+echo -e  "" >> $out
+
+
+# compilation test
+
+echo -e "knight1.scala is present?" | tee -a $out
+
+if [ -f "knight1.scala" ]; then
+    echo -e "  --> success" | tee -a $out
+    tsts=$(( 0 ))
+else 
+    echo -e "  --> knight1.scala is not present\n" | tee -a $out
+    tsts=$(( 1 )) 
+fi
+
+
+
+
+if [ $tsts -eq 0 ]
+then
+    echo -e "knight1.scala runs?" | tee -a $out
+    
+    if (scala_compile knight1.scala)
+    then
+	echo -e "  --> success " | tee -a $out
+	tsts=$(( 0 ))
+    else
+	echo -e "  --> SCALA DID NOT RUN knight1.scala\n" | tee -a $out
+	tsts=$(( 1 )) 
+    fi
+else
+    tsts=$(( 1 ))  
+fi 
+
+# knights1: purity test
+
+
+if [ $tsts -eq 0 ]
+then 
+    echo -e "knight1.scala does not contain VARS, RETURNS etc?" | tee -a $out
+
+    if (scala_vars knight1.scala)
+    then
+	echo -e "  --> TEST FAILED\n" | tee -a $out
+	tsts=$(( 1 ))
+    else
+	echo -e "  --> success" | tee -a $out
+	tsts=$(( 0 )) 
+    fi
+else
+    tsts=$(( 1 ))  
+fi    
+
+
+### knight4 test
+
+if [ $tsts -eq 0 ]
+then
+  echo -e " Let f = (x:(Int, Int)) => if (x._1 > 3) Some(List(x)) else None " | tee -a $out
+  echo -e "   first(List((1,0),(2,0),(3,0),(4,0)), f) == Some(List((4,0)))" | tee -a $out
+  echo -e "   first(List((1,0),(2,0),(3,0)), f) == None" | tee -a $out  
+  
+  if (scala_assert "knight1.scala" "knight1_test4.scala") 
+  then
+      echo -e "  --> success" | tee -a $out
+      marks=$(( marks + 1 ))
+  else
+      echo -e "  --> ONE OF THE TESTS FAILED\n" | tee -a $out
+  fi
+fi
+
+sleep 4
+
+### knight5 test
+
+if [ $tsts -eq 0 ]
+then
+  echo -e " is first_tour(6, List((0,0))) ok? " | tee -a $out
+  echo -e " is first_tour(4, List((0,0))) == None " | tee -a $out
+  START=$(date +%s)
+  
+  if (scala_assert_thirty "knight1.scala" "knight1_test5.scala") 
+  then
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo -e "  This test ran for $DIFF seconds" | tee -a $out  
+      echo -e "  --> success" | tee -a $out
+      marks=$(( marks + 1 ))
+  else
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo -e "  This test ran for $DIFF seconds" | tee -a $out 
+      echo -e "  --> TEST FAILED\n" | tee -a $out
+  fi
+fi
+
+
+echo -e "" >> $out
+echo -e  "Below is the feedback for your submission knight2.scala" >> $out
+echo -e  "" >> $out
+
+
+# knights2: compilation test
+
+echo "knight2.scala runs?" | tee -a $out
+
+if (scala_compile knight2.scala)
+then
+    echo -e "  --> success" | tee -a $out
+    tsts=$(( 0 ))
+else
+    echo -e "  --> SCALA DID NOT RUN knight2.scala\n" | tee -a $out
+    tsts=$(( 1 )) 
+fi
+
+
+
+# knights2: purity test
+#
+if [ $tsts -eq 0 ]
+then 
+    echo "knight2.scala does not VARS, RETURNS etc?" | tee -a $out
+
+    if (scala_vars knight2.scala)
+    then   
+	echo -e "  --> TEST FAILED\n" | tee -a $out
+	tsts=$(( 1 ))
+    else
+	echo -e "  --> success" | tee -a $out
+	tsts=$(( 0 )) 
+    fi
+else
+    tsts=$(( 1 ))  
+fi
+
+
+# ordered move test
+
+if [ $tsts -eq 0 ]
+then
+  echo -e " ordered_moves(8, List((3,4), (3,2)), (1,3)) == List((0,1), (0,5), (2,1), (2,5))" | tee -a $out
+  echo -e " ordered_moves(8, List((4,0)), (0,0)) == List((2,1), (1,2))" | tee -a $out
+  echo -e " ordered_moves(8, List((0,4)), (0,0)) == List((1,2), (2,1))" | tee -a $out
+  
+  if (scala_assert "knight2.scala" "knight2_test6.scala")
+  then
+      echo -e "  --> success" | tee -a $out
+      marks=$(( marks + 1 ))
+  else
+      echo -e "  --> ONE OF THE TESTS FAILED\n" | tee -a $out
+  fi
+fi
+
+sleep 4
+
+# first-closed-tour test
+
+if [ $tsts -eq 0 ]
+then
+  echo -e " first_closed_tour_heuristics(6, List((3,3))) found and correct?" | tee -a $out
+  START=$(date +%s)
+  
+  if (scala_assert_thirty "knight2.scala" "knight2_test7.scala")
+  then
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo -e "  This test ran for $DIFF seconds" | tee -a $out 
+      echo -e "  --> success" | tee -a $out
+      marks=$(( marks + 1 ))
+  else
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo -e "  This test ran for $DIFF seconds." | tee -a $out 
+      echo -e "  --> TEST FAILED\n" | tee -a $out
+  fi
+fi
+
+sleep 4
+
+# first-tour test
+
+if [ $tsts -eq 0 ]
+then
+  echo -e " first_tour_heuristics(8, List((0,0))) found and correct?" | tee -a $out
+  echo -e " first_tour_heuristics(30, List((0,0))) found and correct?" | tee -a $out
+  START=$(date +%s)
+  
+  if (scala_assert_thirty "knight2.scala" "knight2_test8.scala")
+  then
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo "  This test ran for $DIFF seconds" | tee -a $out
+      echo -e "  --> success" | tee -a $out
+      marks=$(( marks + 1 ))
+  else
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo "  This test ran for $DIFF seconds." | tee -a $out
+      echo -e "  --> ONE OF THE TESTS FAILED\n" | tee -a $out
+  fi
+fi
+
+echo -e "" >> $out
+echo -e  "Below is the feedback for your submission knight3.scala" >> $out
+echo -e  "" >> $out
+
+# compilation test
+echo "knight3.scala runs?" | tee -a $out
+
+if (scala_compile knight3.scala)
+then
+    echo "  --> success" | tee -a $out
+    tsts=$(( 0 ))
+else
+    echo -e "  --> SCALA DID NOT RUN knight3.scala\n" | tee -a $out  
+    tsts=$(( 1 )) 
+fi
+
+
+# knights3: purity test
+#
+if [ $tsts -eq 0 ]
+then 
+    echo -e "knight3.scala does not contain VARS, RETURNS etc?" | tee -a $out
+
+    if (scala_vars knight3.scala)
+    then
+	echo "  --> TEST FAILED\n" | tee -a $out
+	tsts=$(( 1 ))
+    else
+	echo "  --> success" | tee -a $out
+	tsts=$(( 0 )) 
+    fi
+else
+    tsts=$(( 1 ))  
+fi
+
+sleep 4
+
+if [ $tsts -eq 0 ]
+then
+  echo -e " tour_on_mega_board(70, List((0,0))) found and correct?" | tee -a $out
+  START=$(date +%s)
+  
+  if (scala_assert_thirty "knight3.scala" "knight3_test9.scala")
+  then
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo -e "  This test ran for $DIFF seconds." | tee -a $out
+      echo -e "  --> success" | tee -a $out
+      marks=$(( marks + 1 ))
+  else
+      END=$(date +%s)
+      DIFF=$(( $END - $START ))
+      echo -e "  This test ran for $DIFF seconds." | tee -a $out
+      echo -e "  --> TEST FAILED\n" | tee -a $out 
+  fi
+fi
+
+sleep 4
+
+## final marks
+echo -e "" >> $out
+echo -e "Overall mark for Main Part 4 (Scala)" | tee -a $out
+echo -e "$marks" | tee -a $out