| 
     1   | 
         | 
     2   | 
         | 
     3 assert(get_january_data("GOOG", 1980) == List()) | 
         | 
     4   | 
         | 
     5 assert(get_january_data("GOOG", 2010).head == "2010-01-04,311.349976") | 
     1   | 
     6   | 
     2   | 
     7   | 
     3   | 
     8   | 
         | 
     9   | 
         | 
    10 /*  | 
     4 assert(CW6c.get_prices(List("BIDU"), 2004 to 2008) ==  | 
    11 assert(CW6c.get_prices(List("BIDU"), 2004 to 2008) ==  | 
     5        List(List(None), List(None),   | 
    12        List(List(None), List(None),   | 
     6             List(Some(6.35)), List(Some(12.241)),   | 
    13             List(Some(6.35)), List(Some(12.241)),   | 
     7             List(Some(38.188))))  | 
    14             List(Some(38.188))))  | 
     8   | 
    15   | 
     9   | 
    16   | 
    10 assert(CW6c.get_prices(List("GOOG", "AAPL"), 2010 to 2012) == | 
    17 assert(CW6c.get_prices(List("GOOG", "AAPL"), 2010 to 2012) == | 
    11        List(List(Some(311.349976), Some(27.505054)),   | 
    18        List(List(Some(311.349976), Some(27.505054)),   | 
    12             List(Some(300.222351), Some(42.357094)),   | 
    19             List(Some(300.222351), Some(42.357094)),   | 
    13             List(Some(330.555054), Some(52.852215))))  | 
    20             List(Some(330.555054), Some(52.852215))))  | 
         | 
    21 */  |