diff -r a057dc4457fc -r 87b9e3e2c1a7 testing1/drumb_test2.scala
--- a/testing1/drumb_test2.scala	Tue Oct 29 11:11:44 2019 +0000
+++ b/testing1/drumb_test2.scala	Tue Oct 29 14:12:24 2019 +0000
@@ -1,141 +1,12 @@
-#!/bin/bash
-set -e
-
-out=${1:-output}
-
-echo "" > $out
-
-echo "Below is the feedback for your submission for drumb.scala" >> $out
-echo "" >> $out
-
-# compilation tests
-
-function scala_compile {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala "$1" 2>> $out 1>> $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 {
-   (egrep '\bvar\b|\breturn\b|\.par|ListBuffer|mutable' "$1" 2> /dev/null 1> /dev/null)
+/*def myassert(cond : => Boolean) = {
+  try {
+    assert(cond)
+  } catch { 
+    case _ : Throwable => System.exit(1)
+  }
 }
-
-
-# var, .par return, ListBuffer test
-#
-echo "drumb.scala does not contain vars, returns etc?" >> $out
-
-if (scala_vars drumb.scala)
-then
-  echo "  --> fail (make triple-sure your program conforms to the required format)" >> $out
-  tsts0=$(( 0 ))
-else
-  echo "  --> success" >> $out
-  tsts0=$(( 0 )) 
-fi
-
-
-# compilation test
-if  [ $tsts0 -eq 0 ]
-then 
-  echo "drumb.scala runs?" >> $out
-
-  if (scala_compile drumb.scala)
-  then
-    echo "  --> success" >> $out
-    tsts=$(( 0 ))
-  else
-    echo -e "  --> SCALA DID NOT RUN DRUMB.SCALA\n" >> $out    
-    tsts=$(( 1 )) 
-  fi
-else
-  tsts=$(( 1 ))     
-fi
-
-### get january data
-
-if [ $tsts -eq 0 ]
-then
-  echo "  get_january_data(\"GOOG\", 1980) == List()" >> $out
-  echo "  get_january_data(\"GOOG\", 2010).head == \"2010-01-04,311.349976\"" >> $out
+*/
 
-  if (scala_assert "drumb.scala" "drumb_test1.scala")
-  then
-    echo "  --> success" >> $out
-  else
-    echo -e "  --> \n ONE TEST FAILED\n" >> $out    
-  fi
-fi
-
-### get first price
-
-if [ $tsts -eq 0 ]
-then
-  echo "  get_first_price(\"GOOG\", 1980) == None" >> $out
-  echo "  get_first_price(\"GOOG\", 2010) == Some(311.349976)" >> $out
-
-  if (scala_assert "drumb.scala" "drumb_test2.scala")
-  then
-    echo "  --> success" >> $out
-  else
-    echo "  --> test failed" >> $out
-  fi
-fi
-
-### get prices tests
-
-if [ $tsts -eq 0 ]
-then
-  echo "  get_prices(List(\"GOOG\", \"AAPL\"), 2010 to 2012) ==" >> $out
-  echo "       List(List(Some(311.349976), Some(20.544939))," >> $out
-  echo "            List(Some(300.222351), Some(31.638695))," >> $out
-  echo "            List(Some(330.555054), Some(39.478039)))" >> $out
+assert(CW6b.get_first_price("GOOG", 1980) == None)
+assert(CW6b.get_first_price("GOOG", 2010) == Some(312.204773))
 
-  if (scala_assert "drumb.scala" "drumb_test3.scala")
-  then
-    echo "  --> success" >> $out
-  else
-    echo "  --> test failed" >> $out
-  fi
-fi
-
-### get_deltas_test
-
-#if [ $tsts -eq 0 ]
-#then
-#  echo "  get_deltas(get_prices(List(\"GOOG\", \"AAPL\"), 2010 to 2012)) == " >> $out
-#  echo "    List(List(Some(-0.03573992567129673), Some(0.5399749442411563)), " >> $out
-#  echo "         List(Some(0.10103412653643493), Some(0.2477771728154912)))" >> $out
-#  
-#  if (scala_assert "drumb.scala" "drumb_test2.scala") 
-#  then
-#    echo "  --> success" >> $out
-#  else
-#    echo "  --> test failed" >> $out
-#  fi
-#fi
-
-
-### yield_tests, investment_test
-
-#if [ $tsts -eq 0 ]
-#then
-#  echo "  yearly_yield(get_deltas(<<GOOG+AAPL 2010 - 2012>>), 100, 0) == 125" >> $out
-#  echo "" >> $out
-#  echo "  investment(rstate_portfolio, 1978 to 2017, 100) == 30895" >> $out
-#  echo "  investment(bchips_portfolio, 1978 to 2017, 100) == 349597" >> $out
-#  
-#  if (scala_assert "drumb.scala" "drumb_test3.scala") 
-#  then
-#    echo "  --> success" >> $out
-#  else
-#    echo "  --> test failed" >> $out
-#  fi
-#fi
-