R Under development (unstable) (2024-08-23 r87049 ucrt) -- "Unsuffered Consequences"
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> ################################################################################
> ##
> ## $Id: build.matches.test.R 346 2006-10-01 05:08:55Z enos $
> ##
> ## tests the .build.matches private function
> ##
> ################################################################################
> 
> library(portfolio)
Loading required package: grid
Loading required package: lattice
> 
> universe  <- c("IBM", "AAPL", "MSFT", "GOOG", "DELL", "HPQ", "PFE",
+               "MRK", "DOW", "HAL")
> 
> id.matrix <- matrix(rep("HPQ", 25),
+                     nrow = 5,
+                     ncol = 5,
+                     dimnames = list(universe[1:5], 1:5)
+                     )
> 
> weights <- rep(0.1, 5)
> 
> matches <- portfolio:::.build.matches(universe, id.matrix, weights)
> 
> truth <- matrix(0,
+                 nrow = 10,
+                 ncol = 5,
+                 dimnames = list(universe, 1:5)
+                 )
> 
> truth["HPQ",] <- 0.5
>   
> stopifnot(
+           all.equal(matches, truth)
+           )
> 
> proc.time()
   user  system elapsed 
   0.37    0.09    0.45