1 #!/bin/bash

     2 

     3 # to make the script fail safely

     4 set -euo pipefail

     5 

     6 

     7 out=${1:-output}

     8 

     9 echo "" > $out

    10 

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

    12 echo "for assignment 7 Part 2.  Please note all marks are provisional until" >> $out

    13 echo "ratified by the assessment board -- this is not an official" >> $out

    14 echo "results transcript." >> $out

    15 echo "" >> $out

    16 

    17 # marks for CW7 part 2

    18 marks=$(( 0 ))

    19 

    20 # compilation tests

    21 

    22 function scala_compile {

    23     (ulimit -t 360; JAVA_OPTS="-Xmx1g" scala "$1" 2> /dev/null 1> /dev/null)

    24 }

    25 

    26 # functional tests

    27 

    28 function scala_assert {

    29     (ulimit -t 360; JAVA_OPTS="-Xmx4g -Xss200m" scala -i "$1" "$2" -e "" 2> /dev/null 1> /dev/null)

    30 }

    31 

    32 

    33 # purity test

    34 

    35 function scala_vars {

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

    37 }

    38 

    39 

    40 # knights3: purity test

    41 #

    42 echo "knight3.scala does not contain vars, returns, Arrays, ListBuffers etc?" | tee -a $out

    43 

    44 

    45 if (scala_vars knight3.scala)

    46 then

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

    48   tsts0=$(( 1 ))

    49 else

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

    51   tsts0=$(( 0 )) 

    52 fi

    53 

    54 

    55 # compilation test

    56 if  [ $tsts0 -eq 0 ]

    57 then    

    58   echo "knight3.scala runs?" | tee -a $out

    59 

    60   if (scala_compile knight3.scala)

    61   then

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

    63     tsts1=$(( 0 ))

    64   else

    65     echo "  --> scala knight3.scala did not run successfully" | tee -a $out

    66     tsts1=$(( 1 )) 

    67   fi

    68 else

    69   tsts1=$(( 1 ))     

    70 fi

    71 

    72 # ordered move test

    73 

    74 if [ $tsts1 -eq 0 ]

    75 then

    76   echo " ordered_moves(8, List((3,4), (3,2)), (1,3)) == List((0,1), (0,5), (2,1), (2,5))" | tee -a $out

    77   echo " ordered_moves(8, List((4,0)), (0,0)) == List((2,1), (1,2))" | tee -a $out

    78   echo " ordered_moves(8, List((0,4)), (0,0)) == List((1,2), (2,1))" | tee -a $out

    79   

    80   if (scala_assert "knight3.scala" "knight3a_test.scala")

    81   then

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

    83       marks=$(( marks + 1 ))

    84   else

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

    86   fi

    87 fi

    88 

    89 

    90 # first-closed-tour test

    91 

    92 if [ $tsts1 -eq 0 ]

    93 then

    94   echo " first_closed_tour_heuristic(6, List((3,3))) found and correct?" | tee -a $out

    95   

    96   if (scala_assert "knight3.scala" "knight3b_test.scala")

    97   then

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

    99       marks=$(( marks + 1 ))

   100   else

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

   102   fi

   103 fi

   104 

   105 

   106 

   107 if [ $tsts1 -eq 0 ]

   108 then

   109   echo " first_tour_heuristic(8, List((0,0))) found and correct?" | tee -a $out

   110   echo " first_tour_heuristic(40, List((0,0))) found and correct?" | tee -a $out

   111   

   112   if (scala_assert "knight3.scala" "knight3c_test.scala")

   113   then

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

   115       marks=$(( marks + 1 ))

   116   else

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

   118   fi

   119 fi

   120 

   121 

   122 ## final marks

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

   124 echo "$marks" | tee -a $out