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> ################################################################################
> ##
> ## $Id: portfolioBasic.contribution.test.R 1625 2010-02-18 19:44:29Z enos $
> ##
> ## Tests for the portfolioBasic class.
> ##
> ################################################################################
> 
> library(portfolio)
Loading required package: grid
Loading required package: lattice
> 
> load("portfolioBasic.contribution.test.RData")
> 
> ## save(contrib.1, data, x, file = "portfolioBasic.contribution.test.RData", compress = TRUE)
> 
> trial.0 <- try(
+                contribution(x, contrib.var = "foo"), silent = TRUE
+                )
> 
> if(class(trial.0) == "try-error"){
+   stopifnot(isTRUE(as.logical(grep("Error.*contrib\\.var.\\%in\\%.names",trial.0[1]))))
+ }
> 
> ## stopifnot(
> ##           all.equal(sum(x@weights$weight), 0),
> ##           all.equal(sum(x@weights$weight[x@weights$weight > 0]), 1)
> ##           )
>  
> ## stopifnot(
> ##           all.equal(contrib.1,
> ##                     contribution(x, contrib.var = c("by.var.1","by.var.2")))
> ##           )
> 
> proc.time()
   user  system elapsed 
   0.43    0.10    0.51