#!/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 "" >> $out+
−
+
−
# marks for Main CW4+
−
marks=$(( 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+
−