R Under development (unstable) (2024-09-03 r87093 ucrt) -- "Unsuffered Consequences"
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> library(RCytoGPS)
> 
> try( x <- Chromosome(0) )   # fail
Error in Chromosome(0) : Invalid chromosome name!
> try( x <- Chromosome("Z") ) # fail
Error in Chromosome("Z") : Invalid chromosome name!
> try( x <- Chromosome(1:2) ) # fail
Error in Chromosome(1:2) : Can only handle one chromosome at a time.
> try (x <- Chromosome(c(1, "Z"))) # fail
Error in Chromosome(c(1, "Z")) : 
  Can only handle one chromosome at a time.
> try (x <- Chromosome(list(1, "Z"))) # fail
Error in Chromosome(list(1, "Z")) : 
  Can only handle one chromosome at a time.
> 
> x <- Chromosome(11)
> image(x)
> image(x, showBandNames = TRUE)
> image(x, horiz = TRUE)
> image(x, horiz = TRUE, showBandNames = TRUE)
> 
> image(x, col="red") # silently ignores bad input?
> 
> proc.time()
   user  system elapsed 
   0.35    0.12    0.46