--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing1/drumb_test2.sh	Sat Dec 15 23:58:12 2018 +0000
@@ -0,0 +1,118 @@
+#!/bin/bash
+set -e
+
+out=${1:-output}
+
+echo -e "" > $out
+
+echo -e "Below is the feedback for your submission advanced part of drumb.scala:" >> $out
+echo -e "" >> $out
+
+# compilation tests
+
+function scala_compile {
+  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc "$1" 2>> $out 1>> $out) 
+}
+
+# functional tests
+
+function scala_assert {
+  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc -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)
+}
+
+
+# var, .par return, ListBuffer test
+#
+echo -e "drumb.scala does not contain vars, returns etc?" >> $out
+
+if (scala_vars drumb.scala)
+then
+  echo -e "  --> fail (make triple-sure your program conforms to the required format)" >> $out
+  tsts0=$(( 0 ))
+else
+  echo -e "  --> success" >> $out
+  tsts0=$(( 0 )) 
+fi
+
+
+# compilation test
+if  [ $tsts0 -eq 0 ]
+then 
+  echo -e "drumb.scala runs?" >> $out
+
+  if (scala_compile drumb.scala)
+  then
+    echo -e "  --> success" >> $out
+    tsts=$(( 0 ))
+  else
+    echo -e "  --> SCALA DID NOT RUN DRUMB.SCALA\n" >> $out
+    tsts=$(( 1 )) 
+  fi
+else
+  tsts=$(( 1 ))     
+fi
+
+### get_deltas_test
+
+if [ $tsts -eq 0 ]
+then
+  echo -e "  get_deltas(get_prices(List(\"GOOG\", \"AAPL\"), 2010 to 2012)) == " >> $out
+  echo -e "    List(List(Some(-0.03573992567129673), Some(0.539975124774038)), " >> $out
+  echo -e "         List(Some(0.10103412653643493), Some(0.24777709700099845)))" >> $out
+  echo -e "" >> $out
+  echo -e "  get_deltas(get_prices(List(\"BIDU\"), 2004 to 2008)) == " >> $out
+  echo -e "    List(List(None), List(None),                          " >> $out
+  echo -e "         List(Some(0.9277165354330709)), List(Some(2.119679764725104)))) " >> $out
+  
+  if (scala_assert "drumb.scala" "drumb_test5.scala") 
+  then
+    echo -e "  --> success" >> $out
+  else
+    echo -e "  --> \n ONE TEST FAILED\n" >> $out
+  fi
+fi
+
+
+### yield_tests
+
+if [ $tsts -eq 0 ]
+then
+  echo -e "  val ds = get_deltas(get_prices(List(\"GOOG\", \"AAPL\"), 2010 to 2012))" >> $out
+  echo -e "  yearly_yield(get_deltas(de, 100, 0) == 125" >> $out
+  echo -e "  yearly_yield(get_deltas(de, 100, 1) == 117" >> $out
+  
+  if (scala_assert "drumb.scala" "drumb_test6.scala") 
+  then
+      echo -e "  --> success" >> $out
+  else
+      echo -e "  --> \n ONE TEST FAILED\n" >> $out  
+  fi
+fi
+
+### investment_test
+
+if [ $tsts -eq 0 ]
+then
+  echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2000, 100) == 100"   >> $out
+  echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2001, 100) == 27 "   >> $out
+  echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2002, 100) == 42 "   >> $out
+  echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2003, 100) == 27 "   >> $out
+  echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2004, 100) == 38 "   >> $out
+  echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2005, 100) == 113"   >> $out
+  echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2006, 100) == 254"   >> $out
+  echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2007, 100) == 349"   >> $out
+  
+  if (scala_assert "drumb.scala" "drumb_test7.scala") 
+  then
+      echo -e "  --> success" >> $out
+  else
+      echo -e "  --> \n ONE TEST FAILED\n" >> $out    
+  fi
+fi
+