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> ################################################################################
> ##
> ## $Id: portfolio.mvLong.test.R 410 2007-04-22 00:13:06Z enos $
> ##
> ## Tests for method "mvLong".
> ##
> ################################################################################
> 
> library(portfolio)
Loading required package: grid
Loading required package: lattice
> 
> price <- rnorm(20, mean = 80, sd = 30)
> 
> data.0 <- data.frame(id = 1:20, symbol.var = letters[1:20],
+                      in.var = price,
+                      ret.var = rnorm(20, mean = 0, sd = 0.1),
+                      price.var = price, round.lot = 1)
> 
> ## corner case of 0 positions
> 
> p <- new("portfolio", id.var = "id", symbol.var = "symbol.var",
+          in.var = "in.var", ret.var = "ret.var", type = "equal",
+          size = "quintile", equity = 100000, sides = "long",
+          price.var = "price.var", data = data.0)
> 
> p@shares <- p@shares[0,]
> 
> stopifnot(portfolio:::mvLong(p) == 0)
> 
> proc.time()
   user  system elapsed 
   0.34    0.09    0.43