#!/bin/bash

set -euo pipefail

out=${1:-output}

echo -e "" > $out

echo "Below is the feedback and provisional marks for your submission" >> $out

echo "for assignment 9 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

# marks for CW9 part 2

marks=$(( 0 ))

# compilation tests

function scala_compile {

  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc "$1" 2>> $out 1>> $out)   

}

# functional tests

function scala_assert {

  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc -i "$1" "$2" -e "" 2> /dev/null 1> /dev/null) 

}

# purity test

function scala_vars {

   (egrep '\bvar\b|\breturn\b|\.par|ListBuffer|mutable|new Array' "$1" 2> /dev/null 1> /dev/null)

}

# var, return, ListBuffer test

#

echo -e "postfix.scala does not contain vars, returns, Arrays, ListBuffers etc?" | tee -a $out

if (scala_vars postfix.scala)

then

  echo "  --> test failed" | tee -a $out  

  tsts0=$(( 1 ))

else

  echo "  --> success" | tee -a $out  

  tsts0=$(( 0 )) 

fi

# compilation test

if  [ $tsts0 -eq 0 ]

then    

  echo "postfix.scala runs?" | tee -a $out

  then

    echo "  --> success" | tee -a $out

    tsts1=$(( 0 ))

  else

    echo "  --> scala postfix.scala did not run successfully" | tee -a $out

    tsts1=$(( 1 )) 

  fi

else

  tsts1=$(( 1 ))     

fi

### postfix tests

if [ $tsts1 -eq 0 ]

then

  echo -e " syard(split(\"3 + 4 * ( 2 - 1 )\")) == List(\"3\", \"4\", \"2\", \"1\", \"-\", \"*\", \"+\")" | tee -a $out

  echo -e " syard(split(\"( ( ( 3 ) ) + ( ( 4 + ( 5 ) ) ) )\")) == List(\"3\", \"4\", \"5\", \"+\", \"+\")" | tee -a $out

  echo -e " syard(split(\"5 + 7 / 2\")) == List(\"5\", \"7\", \"2\", \"/\", \"+\")" | tee -a $out

  echo -e " syard(split(\"5 * 7 / 2\")) == List(\"5\", \"7\", \"*\", \"2\", \"/\")" | tee -a $out

  if (scala_assert "postfix.scala" "postfix_test7.scala")

  then

    echo -e "  --> success" | tee -a $out

    marks=$(( marks + 1 ))

  else

    echo -e "  --> test failed" | tee -a $out

  fi

fi

if [ $tsts1 -eq 0 ]

then

  echo -e " compute(syard(split(\"3 + 4 * ( 2 - 1 )\"))) == 7" | tee -a $out

  echo -e " compute(syard(split(\"10 + 12 * 33\"))) == 406" | tee -a $out

  echo -e " compute(syard(split(\"( 5 + 7 ) * 2\"))) == 24" | tee -a $out

  echo -e " compute(syard(split(\"5 + 7 / 2\"))) == 8" | tee -a $out

  echo -e " compute(syard(split(\"5 * 7 / 2\"))) == 17" | tee -a $out

  echo -e " compute(syard(split(\"9 + 24 / ( 7 - 3 )\"))) == 15" | tee -a $out

  if (scala_assert "postfix.scala" "postfix_test8.scala")

  then

     echo -e "  --> success" | tee -a $out

     marks=$(( marks + 1 ))

  else

     echo "  --> test failed" | tee -a $out

  fi

fi

### postfix2 tests

# var, return, ListBuffer test

#

echo -e "postfix2.scala does not contain vars, returns, Arrays, ListBuffers etc?" | tee -a $out

if (scala_vars postfix2.scala)

then

  echo "  --> test failed" | tee -a $out  

  tsts0=$(( 1 ))

else

  echo "  --> success" | tee -a $out  

  tsts0=$(( 0 )) 

fi

# compilation test

# compilation test

if  [ $tsts0 -eq 0 ]

then    

  echo "postfix2.scala runs?" | tee -a $out

  then

    echo "  --> success" | tee -a $out

    tsts1=$(( 0 ))

  else

    echo "  --> scala postfix2.scala did not run successfully" | tee -a $out

    tsts1=$(( 1 )) 

  fi

else

  tsts1=$(( 1 ))     

fi

if [ $tsts1 -eq 0 ]

then

  echo -e " syard(split(\"3 + 4 * ( 2 - 1 )\")) == List(\"3\", \"4\", \"2\", \"1\", \"-\", \"*\", \"+\")" | tee -a $out

  echo -e " syard(split(\"( ( ( 3 ) ) + ( ( 4 + ( 5 ) ) ) )\")) == List(\"3\", \"4\", \"5\", \"+\", \"+\")" | tee -a $out

  echo -e " syard(split(\"5 + 7 / 2\")) == List(\"5\", \"7\", \"2\", \"/\", \"+\")" | tee -a $out

  echo -e " syard(split(\"5 * 7 / 2\")) == List(\"5\", \"7\", \"*\", \"2\", \"/\")" | tee -a $out

  echo -e " syard(split(\"3 + 4 * 8 / ( 5 - 1 ) ^ 2 ^ 3\")) == " | tee -a $out

  echo -e "         List(\"3\", \"4\", \"8\", \"*\", \"5\", \"1\", \"-\", \"2\", \"3\", \"^\", \"^\", \"/\", \"+\")" | tee -a $out

  echo -e " " | tee -a $out

  echo -e " compute(syard(split(\"3 + 4 * ( 2 - 1 )\"))) == 7" | tee -a $out

  echo -e " compute(syard(split(\"10 + 12 * 33\"))) == 406" | tee -a $out

  echo -e " compute(syard(split(\"( 5 + 7 ) * 2\"))) == 24" | tee -a $out

  echo -e " compute(syard(split(\"5 + 7 / 2\"))) == 8" | tee -a $out

  echo -e " compute(syard(split(\"5 * 7 / 2\"))) == 17" | tee -a $out

  echo -e " compute(syard(split(\"9 + 24 / ( 7 - 3 )\"))) == 15" | tee -a $out

  echo -e " compute(syard(split(\"4 ^ 3 ^ 2\"))) == 262144" | tee -a $out

  echo -e " compute(syard(split(\"4 ^ ( 3 ^ 2 )\"))) == 262144" | tee -a $out

  echo -e " compute(syard(split(\"( 4 ^ 3 ) ^ 2\"))) == 4096" | tee -a $out

  echo -e " compute(syard(split(\"( 3 + 1 ) ^ 2 ^ 3\"))) == 65536" | tee -a $out

  if (scala_assert "postfix2.scala" "postfix_test9.scala")

  then

      echo -e "  --> success" | tee -a $out

      marks=$(( marks + 2 ))

  else

      echo "  --> test failed" | tee -a $out

  fi

fi

## final marks

echo "Overall mark for CW 9, Part 2" | tee -a $out

echo "$marks" | tee -a $out