#!/bin/bash
set -e

out=${1:-output}

echo "" > $out

echo "Below is the feedback and provisional mark for your submission" >> $out
echo "for CW 7, Part 2.  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

function scala_vars {
   (egrep 'var|return|ListBuffer|mutable' "$1" 2> /dev/null 1> /dev/null)
}


# compilation tests

function scala_compile {
  (scala "$1" 2> /dev/null 1> /dev/null) 
}


# functional tests

function scala_assert {
  (scala -i "$1" "$2" -e "" 2> /dev/null 1> /dev/null)
}


# marks for CW2b
marks=$(( 0 ))


# knights3: var, comments test
#
echo "knight3.scala does not contain vars, returns etc?" | tee -a $out

if (scala_vars knight3.scala)
then
  echo "  --> fail" | tee -a $out
  tsts0=$(( 1 ))
else
  echo "  --> yes" | tee -a $out
  tsts0=$(( 0 )) 
fi


# compilation test
if  [ $tsts0 -eq 0 ]
then    
  echo "knight3.scala runs?" | tee -a $out

  if (scala_compile knight3.scala.bak)
  then
    echo "  --> yes" | tee -a $out
    tsts1=$(( 0 ))
  else
    echo "  --> scala knight3.scala did not run successfully" | tee -a $out
    tsts1=$(( 1 )) 
  fi
else
  tsts1=$(( 1 ))     
fi





## final marks
echo "Overall mark for CW 7, Part 2" | tee -a $out
echo "$marks" | tee -a $out