diff -r e9d14d58be3c -r daf561a83ba6 core_marking3/postfix_test.sh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core_marking3/postfix_test.sh	Mon Apr 11 23:55:27 2022 +0100
@@ -0,0 +1,201 @@
+#!/bin/zsh
+set -euo pipefail
+
+
+out=${1:-output}
+
+echo -e "" > $out
+
+echo `date` >> $out
+echo -e "Below is the feedback and provisional marks for your submission" >> $out
+echo -e "of the Core Part 3 (Scala).  Please note all marks are provisional until" >> $out
+echo -e "ratified by the assessment board -- this is not an official" >> $out
+echo -e "results transcript." >> $out
+echo -e "" >> $out
+
+echo -e "Below is the feedback for your submission docdiff.scala" >> $out
+echo -e "" >> $out
+
+
+# marks for CW9 preliminary
+marks=$(( 0.0 ))
+
+
+# compilation tests
+
+function scala_compile {
+  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -Xprint:parser "$1" 2> c$out 1> c$out)
+}
+
+# functional tests
+
+function scala_assert {
+  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)
+}
+
+# purity test
+function scala_vars {
+   (sed 's/immutable/ok/g' c$out > cb$out;
+    egrep '\bvar\b|\breturn\b|\.par\.|\.par |ListBuffer|AtomicInteger|mutable|util.control|new Array' cb$out 2> /dev/null 1> /dev/null)
+}
+
+
+# compilation test
+
+echo -e "postfix.scala runs?" | tee -a $out
+
+if (scala_compile postfix.scala)
+then
+   echo -e "  --> success" | tee -a $out
+   tsts=$(( 0 ))
+else
+   echo -e "  --> SCALA DID NOT RUN postfix.scala\n" | tee -a $out
+   tsts=$(( 1 ))
+fi
+
+
+
+# var, return, ListBuffer test
+#
+if  [ $tsts -eq 0 ]
+  then   
+  echo -e "postfix.scala does not contain VARS, RETURNS etc?" | tee -a $out
+
+  if (scala_vars postfix.scala)
+  then
+    echo -e "  --> FAIL\n" | tee -a $out  
+    tsts=$(( 1 ))
+  else
+    echo -e "  --> success" | tee -a $out  
+    tsts=$(( 0 )) 
+  fi
+else
+  tsts=$(( 1 ))  
+fi  
+
+
+
+### postfix tests
+
+if [ $tsts -eq 0 ]
+then
+  echo -e " syard(split(\"3 + 4 * ( 2 - 1 )\")) == List(\"3\", \"4\", \"2\", \"1\", \"-\", \"*\", \"+\")" | tee -a $out
+  echo -e " syard(split(\"( ( ( 3 ) ) + ( ( 4 + ( 5 ) ) ) )\")) == List(\"3\", \"4\", \"5\", \"+\", \"+\")" | tee -a $out
+  echo -e " syard(split(\"5 + 7 / 2\")) == List(\"5\", \"7\", \"2\", \"/\", \"+\")" | tee -a $out
+  echo -e " syard(split(\"5 * 7 / 2\")) == List(\"5\", \"7\", \"*\", \"2\", \"/\")" | tee -a $out
+  
+  if (scala_assert "postfix.scala" "postfix_test1.scala")
+  then
+    echo -e "  --> success" | tee -a $out
+    marks=$(( marks + 1.0 ))
+  else
+    echo -e "  --> ONE OF THE TESTS FAILED\n" | tee -a $out
+  fi
+fi
+
+
+
+if [ $tsts -eq 0 ]
+then
+  echo -e " compute(syard(split(\"3 + 4 * ( 2 - 1 )\"))) == 7" | tee -a $out
+  echo -e " compute(syard(split(\"10 + 12 * 33\"))) == 406" | tee -a $out
+  echo -e " compute(syard(split(\"( 5 + 7 ) * 2\"))) == 24" | tee -a $out
+  echo -e " compute(syard(split(\"5 + 7 / 2\"))) == 8" | tee -a $out
+  echo -e " compute(syard(split(\"5 * 7 / 2\"))) == 17" | tee -a $out
+  echo -e " compute(syard(split(\"9 + 24 / ( 7 - 3 )\"))) == 15" | tee -a $out
+  
+  if (scala_assert "postfix.scala" "postfix_test2.scala")
+  then
+     echo -e "  --> success" | tee -a $out
+     marks=$(( marks + 1.0 ))
+  else
+     echo -e "  --> ONE OF THE TESTS FAILED\n" | tee -a $out
+  fi
+fi
+
+
+
+### postfix2 tests
+
+echo -e "Below is the feedback for your submission postfix2.scala" >> $out
+echo -e "" >> $out
+
+# compilation test
+
+echo -e "postfix2.scala runs?" | tee -a $out
+
+if (scala_compile postfix2.scala)
+then
+   echo -e "  --> success" | tee -a $out
+   tsts=$(( 0 ))
+else
+   echo -e "  --> SCALA DID NOT RUN postfix2.scala\n" | tee -a $out
+   tsts=$(( 1 )) 
+fi
+
+
+# var, return, ListBuffer test
+#
+if  [ $tsts -eq 0 ]
+then     
+  echo -e "postfix2.scala does not contain VARS, RETURNS etc?" | tee -a $out
+
+  if (scala_vars postfix2.scala)
+  then
+    echo -e "  --> FAIL\n" | tee -a $out  
+    tsts=$(( 1 ))
+  else
+    echo -e "  --> success" | tee -a $out  
+    tsts=$(( 0 )) 
+  fi
+else
+  tsts=$(( 1 ))  
+fi
+
+
+
+
+if [ $tsts -eq 0 ]
+then
+  echo -e " syard(split(\"3 + 4 * ( 2 - 1 )\")) == List(\"3\", \"4\", \"2\", \"1\", \"-\", \"*\", \"+\")" | tee -a $out
+  echo -e " syard(split(\"( ( ( 3 ) ) + ( ( 4 + ( 5 ) ) ) )\")) == List(\"3\", \"4\", \"5\", \"+\", \"+\")" | tee -a $out
+  echo -e " syard(split(\"5 + 7 / 2\")) == List(\"5\", \"7\", \"2\", \"/\", \"+\")" | tee -a $out
+  echo -e " syard(split(\"5 * 7 / 2\")) == List(\"5\", \"7\", \"*\", \"2\", \"/\")" | tee -a $out
+  echo -e " syard(split(\"3 + 4 * 8 / ( 5 - 1 ) ^ 2 ^ 3\")) == " | tee -a $out
+  echo -e "         List(\"3\", \"4\", \"8\", \"*\", \"5\", \"1\", \"-\", \"2\", \"3\", \"^\", \"^\", \"/\", \"+\")" | tee -a $out
+  
+  if (scala_assert "postfix2.scala" "postfix_test3.scala")
+  then
+      echo -e "  --> success" | tee -a $out
+      marks=$(( marks + 0.5 ))
+  else
+      echo -e "  --> ONE OF THE TESTS FAILED\n" | tee -a $out
+  fi
+fi
+
+if [ $tsts -eq 0 ]
+then
+  echo -e " compute(syard(split(\"3 + 4 * ( 2 - 1 )\"))) == 7" | tee -a $out
+  echo -e " compute(syard(split(\"10 + 12 * 33\"))) == 406" | tee -a $out
+  echo -e " compute(syard(split(\"( 5 + 7 ) * 2\"))) == 24" | tee -a $out
+  echo -e " compute(syard(split(\"5 + 7 / 2\"))) == 8" | tee -a $out
+  echo -e " compute(syard(split(\"5 * 7 / 2\"))) == 17" | tee -a $out
+  echo -e " compute(syard(split(\"9 + 24 / ( 7 - 3 )\"))) == 15" | tee -a $out
+  echo -e " compute(syard(split(\"4 ^ 3 ^ 2\"))) == 262144" | tee -a $out
+  echo -e " compute(syard(split(\"4 ^ ( 3 ^ 2 )\"))) == 262144" | tee -a $out
+  echo -e " compute(syard(split(\"( 4 ^ 3 ) ^ 2\"))) == 4096" | tee -a $out
+  echo -e " compute(syard(split(\"( 3 + 1 ) ^ 2 ^ 3\"))) == 65536" | tee -a $out
+  
+  if (scala_assert "postfix2.scala" "postfix_test4.scala")
+  then
+      echo -e "  --> success" | tee -a $out
+      marks=$(( marks + 0.5 ))
+  else
+      echo -e "  --> ONE OF THE TESTS FAILED\n" | tee -a $out
+  fi
+fi
+
+## final marks
+echo -e "Overall mark for the Core Part 3 (Scala)" | tee -a $out
+printf " %0.1f\n" $marks | tee -a $out
+