1 def myassert(cond : => Boolean) = { | 
     1 /*def myassert(cond : => Boolean) = { | 
     2   try { | 
     2   try { | 
     3     assert(cond)  | 
     3     assert(cond)  | 
     4   } catch {  | 
     4   } catch {  | 
     5     case _ : Throwable => System.exit(1)  | 
     5     case _ : Throwable => System.exit(1)  | 
     6   }  | 
     6   }  | 
     7 }  | 
     7 }  | 
     8   | 
     8 */  | 
     9 myassert(get_prices(List("BIDU"), 2004 to 2008) == | 
     9 assert(CW6b.get_prices(List("BIDU"), 2004 to 2008) == | 
    10    List(List(None), List(None), List(Some(6.35)),   | 
    10    List(List(None), List(None), List(Some(6.35)),   | 
    11         List(Some(12.241)), List(Some(38.188))))  | 
    11         List(Some(12.241)), List(Some(38.188))))  | 
    12   | 
    12   | 
    13   | 
    13   | 
    14 myassert(get_prices(List("GOOG", "AAPL"), 2010 to 2012) == | 
    14 assert(CW6b.get_prices(List("GOOG", "AAPL"), 2010 to 2012) == | 
    15    List(List(Some(312.204773), Some(26.782711)),   | 
    15    List(List(Some(312.204773), Some(26.782711)),   | 
    16         List(Some(301.0466), Some(41.244694)),   | 
    16         List(Some(301.0466), Some(41.244694)),   | 
    17         List(Some(331.462585), Some(51.464207))))  | 
    17         List(Some(331.462585), Some(51.464207))))  |