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#!/bin/bash
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# to make the script fail safely
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set -euo pipefail
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out=${1:-output}
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echo "" > $out
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echo "Below is the feedback and provisional marks for your submission" >> $out
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echo "for assignment 6 Part 1 + 2. Please note all marks are provisional until" >> $out
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echo "ratified by the assessment board -- this is not an official" >> $out
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echo "results transcript." >> $out
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echo "" >> $out
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echo "Below is the feedback for your submission for collatz.scala" >> $out
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echo "" >> $out
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# marks for CW6 parts 1 + 2
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marks=$(( 0 ))
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# compilation tests
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function scala_compile {
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210
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(ulimit -t 60; JAVA_OPTS="-Xmx1g" scala "$1" 2> /dev/null 1> /dev/null)
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}
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# functional tests
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function scala_assert {
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210
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(ulimit -t 60; JAVA_OPTS="-Xmx1g" scala -i "$1" "$2" -e "" 2> /dev/null 1> /dev/null)
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}
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# purity test
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function scala_vars {
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(egrep '\bvar\b|\breturn\b|\.par|ListBuffer|mutable|new Array' "$1" 2> /dev/null 1> /dev/null)
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}
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# var, .par return, ListBuffer test
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#
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echo "collatz.scala does not contain vars, return etc?" | tee -a $out
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if (scala_vars collatz.scala)
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then
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echo " --> test failed" | tee -a $out
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tsts0=$(( 1 ))
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else
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echo " --> success" | tee -a $out
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tsts0=$(( 0 ))
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fi
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### compilation test
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if [ $tsts0 -eq 0 ]
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then
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echo "collatz.scala runs?" | tee -a $out
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if (scala_compile collatz.scala)
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then
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echo " --> success" | tee -a $out
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tsts=$(( 0 ))
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else
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echo " --> scala collatz.scala did not run successfully" | tee -a $out
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tsts=$(( 1 ))
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fi
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else
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tsts=$(( 1 ))
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fi
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### collatz tests
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if [ $tsts -eq 0 ]
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then
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echo "collatz.scala tests:" | tee -a $out
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echo " collatz(1) == 0" | tee -a $out
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echo " collatz(6) == 8" | tee -a $out
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echo " collatz(9) == 19" | tee -a $out
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echo " collatz(9000) == 47" | tee -a $out
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if (scala_assert "collatz.scala" "collatz_test1.scala")
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then
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echo " --> success" | tee -a $out
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marks=$(( marks + 2 ))
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else
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echo " --> one of the tests failed" | tee -a $out
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fi
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fi
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### collatz-max tests
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if [ $tsts -eq 0 ]
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then
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echo " collatz_max(10) == (19, 9)" | tee -a $out
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echo " collatz_max(100) == (118, 97)" | tee -a $out
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echo " collatz_max(1000) == (178, 871)" | tee -a $out
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echo " collatz_max(10000) == (261, 6171)" | tee -a $out
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echo " collatz_max(100000) == (350, 77031)" | tee -a $out
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echo " collatz_max(1000000) == (524, 837799)" | tee -a $out
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echo " collatz_max(2) == (1, 2) || collatz_max(2) == (0, 1)" | tee -a $out
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echo " collatz_max(77000) == (339, 52527)" | tee -a $out
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158
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if (scala_assert "collatz.scala" "collatz_test2.scala")
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then
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echo " --> success" | tee -a $out
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marks=$(( marks + 1 ))
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else
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echo " --> one of the tests failed" | tee -a $out
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fi
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fi
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## final marks
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echo "Overall mark for Part 1" | tee -a $out
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echo " $marks" | tee -a $out
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