1 #!/bin/bash

     2 

     3 # to make the script fail safely

     4 set -euo pipefail

     5 

     6 

     7 out=${1:-output}

     8 

     9 # compilation tests

    10 

    11 function scala_compile {

    12   (ulimit -t 60; JAVA_OPTS="-Xmx1g" scala -Xprint:parser "$1" 2> ptmp 1> ptmp)

    13 }

    14 

    15 # purity test

    16 

    17 function scala_vars {

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

    19 }

    20 

    21 

    22 ### compilation test

    23 

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

    25 

    26 if (scala_compile collatz.scala)

    27 then

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

    29   tsts0=$(( 0 ))

    30 else

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

    32   tsts0=$(( 1 )) 

    33 fi

    34 

    35 # var, .par return, ListBuffer test

    36 #

    37 

    38 if  [ $tsts0 -eq 0 ]

    39 then

    40   echo "collatz.scala does not contain var, return etc?" | tee -a $out

    41 

    42   if (scala_vars tmp)

    43   then

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

    45     tsts=$(( 1 ))

    46   else

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

    48     tsts=$(( 0 )) 

    49   fi

    50 fi  

    51 

    52 ###rm tmp

    53 

    54