#!/bin/bash

# to make the script fail safely

set -euo pipefail

out=${1:-output}

echo "" > $out

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

echo "for assignment 10 Advanced 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 CW10 part 2

marks=$(( 0 ))

# compilation tests

function scala_compile {

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

}

# 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 "bfc.scala does not contain vars, returns, Arrays, ListBuffers etc?" | tee -a $out

if (scala_vars bfc.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 "bfc.scala runs?" | tee -a $out

  if (scala_compile bfc.scala)

  then

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

    tsts1=$(( 0 ))

  else

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

    tsts1=$(( 1 )) 

  fi

else

  tsts1=$(( 1 ))     

fi

### bfc5 test

if [ $tsts1 -eq 0 ]

then

  echo -e " val p1 = \"\"\"+++++[->++++++++++<]>--<+++[->>++++++++++<<]>>++<<----------[+>.>.<+<]\"\"\"" | tee -a $out

  echo -e " jtable(p1) == Map(69 -> 61, 5 -> 20, 60 -> 70, 27 -> 44, 43 -> 28, 19 -> 6)" | tee -a $out  

  echo -e " val p2 = \"\"\"++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.\"\"\"" | tee -a $out

  echo -e " jtable(p2) == Map(14 -> 34, 33 -> 15, 45 -> 44, 48 -> 9, 43 -> 46, 8 -> 49)" | tee -a $out

  echo -e " run2(\"[-]\", Map(0 -> 100)) == Map(0 -> 0)" | tee -a $out

  echo -e " run2(\"[->+<]\", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10)" | tee -a $out

  echo -e " run2(\"[>>+>>+<<<<-]\", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42)" | tee -a $out

  echo -e " run2(\"\"\"+++++[->++++++++++<]>--<+++[->>++++++++++" | tee -a $out

  echo -e "        <<]>>++<<----------[+>.>.<+<]\"\"\") == Map(0 -> 0, 1 -> 58, 2 -> 32)" | tee -a $out

  echo -e " val hello = \"\"\"++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---." | tee -a $out

  echo -e "               +++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.\"\"\"" | tee -a $out

  echo -e " run2(hello, Map()) == " | tee -a $out

  echo -e "       Map(0 -> 0, 5 -> 33, 1 -> 0, 6 -> 10, 2 -> 72, 3 -> 100, 4 -> 87)" | tee -a $out

  if (scala_assert "bfc.scala" "bf_test5.scala")

  then

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

      marks=$(( marks + 1 ))

  else

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

  fi

fi

### bfc6 test

if [ $tsts1 -eq 0 ]

then

  echo -e " optimise(load_bff(\"benchmark.bf\")).length == 181" | tee -a $out

  echo -e " optimise(load_bff(\"mandelbrot.bf\")).length == 11203" | tee -a $out  

  echo -e " run3(\"[-]\", Map(0 -> 100)) == Map(0 -> 0)" | tee -a $out

  echo -e " run3(\"[->+<]\", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10)" | tee -a $out

  echo -e " run3(\"[>>+>>+<<<<-]\", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42)" | tee -a $out

  echo -e " run3(\"\"\"+++++[->++++++++++<]>--<+++[->>++++++++++" | tee -a $out

  echo -e "        <<]>>++<<----------[+>.>.<+<]\"\"\") == Map(0 -> 0, 1 -> 58, 2 -> 32)" | tee -a $out

  echo -e " val hello = \"\"\"++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---." | tee -a $out

  echo -e "               +++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.\"\"\"" | tee -a $out

  echo -e " run3(hello, Map()) == " | tee -a $out

  echo -e "       Map(0 -> 0, 5 -> 33, 1 -> 0, 6 -> 10, 2 -> 72, 3 -> 100, 4 -> 87)" | tee -a $out

  if (scala_assert "bfc.scala" "bf_test6.scala")

  then

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

      marks=$(( marks + 1 ))

  else

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

  fi

fi

### bfc7 test

if [ $tsts1 -eq 0 ]

then

  echo -e " combine(optimise(load_bff(\"benchmark.bf\"))).length == 134" | tee -a $out

  echo -e " combine(optimise(load_bff(\"mandelbrot.bf\"))).length == 6509" | tee -a $out

  echo -e " run4(\"[-]\", Map(0 -> 100)) == Map(0 -> 0)" | tee -a $out

  echo -e " run4(\"[->+<]\", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10)" | tee -a $out

  echo -e " run4(\"[>>+>>+<<<<-]\", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42)" | tee -a $out

  echo -e " run4(\"\"\"+++++[->++++++++++<]>--<+++[->>++++++++++" | tee -a $out

  echo -e "        <<]>>++<<----------[+>.>.<+<]\"\"\") == Map(0 -> 0, 1 -> 58, 2 -> 32)" | tee -a $out

  echo -e " val hello = \"\"\"++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---." | tee -a $out

  echo -e "               +++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.\"\"\"" | tee -a $out

  echo -e " run4(hello, Map()) == " | tee -a $out

  echo -e "       Map(0 -> 0, 5 -> 33, 1 -> 0, 6 -> 10, 2 -> 72, 3 -> 100, 4 -> 87)" | tee -a $out

  if (scala_assert "bfc.scala" "bf_test7.scala")

  then

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

      marks=$(( marks + 2 ))

  else

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

  fi

fi

## final marks

echo "Overall mark for CW 10, Advanced Part 2" | tee -a $out

echo "$marks" | tee -a $out