#!/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 7 Part 1. 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+ −
+ −
echo "Below is the feedback for your submission of CW 7, Part 1." >> $out+ −
echo "" >> $out+ −
+ −
+ −
# marks for CW7 part 1+ −
marks=$(( 0 ))+ −
+ −
+ −
# compilation tests+ −
+ −
function scala_compile {+ −
(ulimit -t 30; JAVA_OPTS="-Xmx1g" scala "$1" 2> /dev/null 1> /dev/null) + −
}+ −
+ −
# functional tests+ −
+ −
function scala_assert {+ −
(ulimit -t 360; JAVA_OPTS="-Xmx1g" scala -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)+ −
}+ −
+ −
+ −
# knights1: purity test+ −
+ −
echo "knight1.scala does not contain vars, returns, Arrays, ListBuffers etc?" | tee -a $out+ −
+ −
if (scala_vars knight1.scala)+ −
then+ −
echo " --> fail" | tee -a $out+ −
tsts0=$(( 1 ))+ −
else+ −
echo " --> success" | tee -a $out+ −
tsts0=$(( 0 )) + −
fi+ −
+ −
+ −
# compilation test+ −
+ −
if [ $tsts0 -eq 0 ]+ −
then + −
echo "knight1.scala runs?" | tee -a $out+ −
+ −
if (scala_compile knight1.scala)+ −
then+ −
echo " --> success " | tee -a $out+ −
tsts1=$(( 0 ))+ −
else+ −
echo " --> scala did not run knight1.scala" | tee -a $out+ −
tsts1=$(( 1 )) + −
fi+ −
else+ −
tsts1=$(( 1 )) + −
fi+ −
+ −
### knight1a test+ −
+ −
if [ $tsts1 -eq 0 ]+ −
then+ −
echo " is_legal(8, Nil)(3, 4) == true " | tee -a $out+ −
echo " is_legal(8, List((4, 1), (1, 0)))(4, 1) == false " | tee -a $out+ −
echo " is_legal(2, Nil)(0, 0) == true" | tee -a $out + −
+ −
if (scala_assert "knight1.scala" "knight1a_test.scala")+ −
then+ −
echo " --> success" | tee -a $out+ −
marks=$(( marks + 1 ))+ −
else+ −
echo " --> test failed" | tee -a $out+ −
fi+ −
fi+ −
+ −
### knight1b test+ −
+ −
if [ $tsts1 -eq 0 ]+ −
then+ −
echo " legal_moves(8, Nil, (2,2)) == List((3,4), (4,3), (4,1), (3,0), (1,0), (0,1), (0,3), (1,4))" | tee -a $out+ −
echo " legal_moves(8, Nil, (7,7)) == List((6,5), (5,6))" | tee -a $out+ −
echo " legal_moves(8, List((4,1), (1,0)), (2,2)) == List((3,4), (4,3), (3,0), (0,1), (0,3), (1,4))" | tee -a $out+ −
echo " legal_moves(8, List((6,6)), (7,7)) == List((6,5), (5,6))" | tee -a $out+ −
echo " legal_moves(1, Nil, (0,0)) == Nil" | tee -a $out+ −
echo " legal_moves(2, Nil, (0,0)) == Nil" | tee -a $out+ −
echo " legal_moves(3, Nil, (0,0)) == List((1,2), (2,1))" | tee -a $out+ −
+ −
if (scala_assert "knight1.scala" "knight1b_test.scala")+ −
then+ −
echo " --> success" | tee -a $out+ −
marks=$(( marks + 1 ))+ −
else+ −
echo " --> test failed" | tee -a $out+ −
fi+ −
fi+ −
+ −
+ −
### knight1c test+ −
+ −
if [ $tsts1 -eq 0 ]+ −
then+ −
echo " all_tours from every position on the board" | tee -a $out+ −
echo " dim = 1: 1" | tee -a $out+ −
echo " 2: 0,0,0,0" >> $out+ −
echo " 3: 0,0,0,0,0,0,0,0,0" >> $out+ −
echo " 4: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0" | tee -a $out+ −
echo " 5: 304,0,56,0,304,0,56,0,56,0,56,0,64,0,56,0,56,0,56,0,304,0,56,0,304" | tee -a $out+ −
echo " enum_tours(5, List((0,2)) ) => 56 tours? and all correct?" | tee -a $out+ −
+ −
if (scala_assert "knight1.scala" "knight1c_test.scala") + −
then+ −
echo " --> success" | tee -a $out+ −
marks=$(( marks + 2 ))+ −
else+ −
echo " --> test failed" | tee -a $out+ −
fi+ −
fi+ −
+ −
+ −
# knights2: var test+ −
+ −
echo "knight2.scala does not contain vars, returns, Arrays, ListBuffers etc?" | tee -a $out+ −
+ −
if (scala_vars knight2.scala)+ −
then+ −
echo " --> fail" | tee -a $out+ −
tsts0=$(( 1 ))+ −
else+ −
echo " --> success" | tee -a $out+ −
tsts0=$(( 0 )) + −
fi+ −
+ −
+ −
# compilation test+ −
if [ $tsts0 -eq 0 ]+ −
then + −
echo "knight2.scala runs?" | tee -a $out+ −
+ −
if (scala_compile knight2.scala)+ −
then+ −
echo " --> success" | tee -a $out+ −
tsts1=$(( 0 ))+ −
else+ −
echo " --> scala did not run knight2.scala" | tee -a $out+ −
tsts1=$(( 1 )) + −
fi+ −
else+ −
tsts1=$(( 1 )) + −
fi+ −
+ −
### knight2a test+ −
+ −
if [ $tsts1 -eq 0 ]+ −
then+ −
echo " val f = (x:(Int, Int)) => if (x._1 > 3) Some(List(x)) else None " | tee -a $out+ −
echo " first(List((1,0),(2,0),(3,0),(4,0)), f) == Some(List((4,0)))" | tee -a $out+ −
echo " first(List((1,0),(2,0),(3,0)), f) == None" | tee -a $out+ −
+ −
if (scala_assert "knight2.scala" "knight2a_test.scala") + −
then+ −
echo " --> success" | tee -a $out+ −
marks=$(( marks + 1 ))+ −
else+ −
echo " --> test failed" | tee -a $out+ −
fi+ −
fi+ −
+ −
+ −
### knight2b test+ −
+ −
if [ $tsts1 -eq 0 ]+ −
then+ −
echo " is first_tour(8, List((0, 0))) ok? " | tee -a $out+ −
echo " is first_tour(4, List((0, 0))) == None " | tee -a $out+ −
+ −
if (scala_assert "knight2.scala" "knight2b_test.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 Part 1" | tee -a $out+ −
echo "$marks" | tee -a $out+ −
+ −
+ −