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> ################################################################################
> ##
> ## $Id: trades.test.R 346 2006-10-01 05:08:55Z enos $
> ##
> ## Tests the validity function for class "trades"
> ##
> ################################################################################
> 
> library(portfolio)
Loading required package: grid
Loading required package: lattice
> 
> load("trades.test.RData")
> 
> ## save(test.data, file = "trades.test.RData", compress = TRUE)
> 
> t.base <- new("trades", trades = test.data)
> 
> stopifnot(validObject(t.base))
> 
> ## Multiple ids for same side
> 
> t.1 <- t.base
> t.1@trades[5,2] <- "C"
> 
> trial.1 <- try(validObject(t.1), silent = TRUE)
> 
> stopifnot(
+           inherits(trial.1, "try-error"),
+           as.logical(grep("Only one.*per side allowed", trial.1))
+           )
> 
> t.2 <- t.base
> t.2@trades[5,2] <- "X"
> 
> trial.2 <- try(validObject(t.2), silent = TRUE)
> 
> stopifnot(
+           inherits(trial.2, "try-error"),
+           as.logical(grep("Only one.*per side allowed", trial.2))
+           )
> 
> ## Tests for 0 shares
> 
> t.3 <- t.base
> t.3@trades[1,3] <- 0
> 
> trial.3 <- try(validObject(t.3), silent = TRUE)
> 
> stopifnot(
+           inherits(trial.3, "try-error"),
+           as.logical(grep("Shares must be greater", trial.3))
+           )
> 
> ## Tests for NAs
> 
> t.4 <- t.base
> t.4@trades[3,1] <- NA
> 
> trial.4 <- try(validObject(t.4), silent = TRUE)
> 
> stopifnot(
+           inherits(trial.4, "try-error"),
+           as.logical(grep("No NAs allowed in trades", trial.4))
+           )
> 
> 
> ## Tests for invalid column names
> 
> t.5 <- t.base
> names(t.5@trades)[2] <- "sides"
> 
> trial.5 <- try(validObject(t.5), silent = TRUE)
> 
> stopifnot(
+           inherits(trial.5, "try-error"),
+           as.logical(grep("Columns.*required", trial.5))
+           )
> 
> 
> ## Tests for invalid side indicator
> 
> t.6 <- t.base
> t.6@trades[1,2] <- "A"
> 
> trial.6 <- try(validObject(t.6), silent = TRUE)
> 
> stopifnot(
+           inherits(trial.6, "try-error"),
+           as.logical(grep("Sides must be one of", trial.6))
+           )
> 
> ## Tests for invalid shares class
> 
> t.7 <- t.base
> t.7@trades[,3] <- as.character(t.7@trades[,3])
> 
> trial.7 <- try(validObject(t.7), silent = TRUE)
> 
> stopifnot(
+           inherits(trial.7, "try-error"),
+           as.logical(grep("Values.*shares.*numeric", trial.7))
+           )
> 
> proc.time()
   user  system elapsed 
   0.39    0.04    0.42