diff -r 716042628398 -r d306102fd33b testing2/knight1_test.sh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing2/knight1_test.sh	Tue Nov 14 21:34:22 2017 +0000
@@ -0,0 +1,183 @@
+#!/bin/bash
+set -e
+
+out=${1:-output}
+
+echo "" > $out
+
+echo "Below is the feedback for your submission of CW 7, Part 1 and 2." >> $out
+echo "" >> $out
+
+
+# compilation tests
+
+function scala_compile {
+  (ulimit -t 30 -m 1024000 ; scala "$1" 2>> $out 1>> $out) 
+}
+
+# functional tests
+
+function scala_assert {
+  (ulimit -t 300 -m 1024000 ; scala -i "$1" "$2" -e "" 2> /dev/null 1> /dev/null)
+}
+
+# purity test
+
+function scala_vars {
+   (egrep '\bvar\b|\breturn\b|\.par|ListBuffer|mutable' "$1" 2> /dev/null 1> /dev/null)
+}
+
+
+# knights1: purity test
+
+echo "knight1.scala does not contain vars, returns etc?" >> $out
+
+if (scala_vars knight1.scala)
+then
+  echo "  --> fail" >> $out
+  tsts0=$(( 1 ))
+else
+  echo "  --> success" >> $out
+  tsts0=$(( 0 )) 
+fi
+
+
+# compilation test
+
+if [ $tsts0 -eq 0 ]
+then    
+  echo "knight1.scala runs?" >> $out
+
+  if (scala_compile knight1.scala)
+  then
+    echo "  --> success " >> $out
+    tsts1=$(( 0 ))
+  else
+    echo "  --> scala did not run knight1.scala" >> $out
+    tsts1=$(( 1 )) 
+  fi
+else
+  tsts1=$(( 1 ))   
+fi
+
+### knight1a test
+
+if [ $tsts1 -eq 0 ]
+then
+    echo " is_legal(8, Nil) (3, 4) == true " >> $out
+    echo " is_legal(8, List((4, 1), (1, 0))) (4, 1) == false " >> $out
+    echo " is_legal(2, Nil) (0, 0) == true" >> $out                          
+
+    if (scala_assert "knight1.scala" "knight1a_test.scala")
+    then
+        echo "  --> success" >> $out
+    else
+        echo "  --> test failed" >> $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))" >> $out
+  echo " legal_moves(8, Nil, (7,7)) == List((6,5), (5,6))" >> $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))" >> $out
+  echo " legal_moves(8, List((6,6)), (7,7)) == List((6,5), (5,6))" >> $out
+  echo " legal_moves(1, Nil, (0,0)) == Nil" >> $out
+  echo " legal_moves(2, Nil, (0,0)) == Nil" >> $out
+  echo " legal_moves(3, Nil, (0,0)) == List((1,2), (2,1))" >> $out
+  
+  if (scala_assert "knight1.scala" "knight1b_test.scala")
+  then
+    echo "  --> success" >> $out
+  else
+    echo "  --> test failed" >> $out
+  fi
+fi
+
+
+### knight1c test
+
+if [ $tsts1 -eq 0 ]
+then
+  echo " all_tours from every position on the board" >> $out
+  echo " dim = 1: 1" >> $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" >> $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" >> $out
+  echo " enum_tours(5, List((0,2)) ) == 56 and all correct?" >> $out
+  
+  if (scala_assert "knight1.scala" "knight1c_test.scala") 
+  then
+    echo "  --> success" >> $out
+  else
+    echo "  --> test failed" >> $out
+  fi
+fi
+
+
+# knights2: var test
+
+echo "knight2.scala does not contain vars, returns etc?" >> $out
+
+if (scala_vars knight2.scala)
+then
+  echo "  --> fail" >> $out
+  tsts0=$(( 1 ))
+else
+  echo "  --> success" >> $out
+  tsts0=$(( 0 )) 
+fi
+
+
+# compilation test
+if  [ $tsts0 -eq 0 ]
+then    
+  echo "knight2.scala runs?" >> $out
+
+  if (scala_compile knight2.scala)
+  then
+    echo "  --> success" >> $out
+    tsts1=$(( 0 ))
+  else
+    echo "  --> scala did not run knight2.scala" >> $out
+    tsts1=$(( 1 )) 
+  fi
+else
+  tsts1=$(( 1 ))     
+fi
+
+### knight2a test
+
+if [ $tsts1 -eq 0 ]
+then
+  echo " Let f = (x:(Int, Int)) => if (x._1 > 3) Some(List(x)) else None " >> $out
+  echo "   first(List((1,0),(2,0),(3,0),(4,0)), f) == Some(List((4,0)))" >> $out
+  echo "   first(List((1,0),(2,0),(3,0)), f) == None" >> $out
+
+  if (scala_assert "knight2.scala" "knight2a_test.scala") 
+  then
+    echo "  --> success" >> $out
+  else
+    echo "  --> test failed" >> $out
+  fi
+fi
+
+
+### knight2b test
+
+if [ $tsts1 -eq 0 ]
+then
+  echo " is first_tour(8, (0, 0)) ok? " >> $out
+  echo " is first_tour(4, (0, 0)) == None " >> $out
+
+  if (scala_assert "knight2.scala" "knight2b_test.scala") 
+  then
+    echo "  --> success" >> $out
+  else
+    echo "  --> test failed" >> $out
+  fi
+fi
+