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     1 def myassert(cond : => Boolean) = { | 
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     2   try { | 
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     3     assert(cond)  | 
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     4   } catch {  | 
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     5     case _ : Throwable => System.exit(1)  | 
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     6   }  | 
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     7 }  | 
     1   | 
     8   | 
     2 assert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2000, 100) == 100) | 
     9   | 
     3 assert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2001, 100) == 27) | 
    10 myassert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2000, 100) == 100) | 
     4 assert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2002, 100) == 42) | 
    11 myassert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2001, 100) == 27) | 
     5 assert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2003, 100) == 27) | 
    12 myassert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2002, 100) == 42) | 
     6 assert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2004, 100) == 38) | 
    13 myassert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2003, 100) == 27) | 
     7 assert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2005, 100) == 113) | 
    14 myassert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2004, 100) == 38) | 
     8 assert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2006, 100) == 254) | 
    15 myassert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2005, 100) == 113) | 
     9 assert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2007, 100) == 349) | 
    16 myassert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2006, 100) == 254) | 
    10 assert(investment(List("GOOG", "AAPL", "BIDU"), 1990 to 2017, 100) == 83061) | 
    17 myassert(investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2007, 100) == 349) | 
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    18 myassert(investment(List("GOOG", "AAPL", "BIDU"), 1990 to 2017, 100) == 11504) |