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> message("TESTING: objectSize()...")
TESTING: objectSize()...
> 
> library("R.oo")
Loading required package: R.methodsS3
R.methodsS3 v1.8.2 (2022-06-13 22:00:14 UTC) successfully loaded. See ?R.methodsS3 for help.
R.oo v1.27.0 successfully loaded. See ?R.oo for help.

Attaching package: 'R.oo'

The following object is masked from 'package:R.methodsS3':

    throw

The following objects are masked from 'package:methods':

    getClasses, getMethods

The following objects are masked from 'package:base':

    attach, detach, load, save

> 
> ## Simple object
> x <- 1:100
> y0 <- object.size(x)
> y <- objectSize(x)
> print(y)
448 bytes
> stopifnot(y == y0)
> 
> ## A list
> x <- as.list(1:100)
> y0 <- object.size(x)
> y <- objectSize(x)
> print(y)
6448 bytes
> stopifnot(y == y0)
> 
> ## An environment
> env <- new.env()
> env$a <- 1:100
> env$b <- as.list(1:100)
> env$c <- new.env()
> y0 <- object.size(env)
> print(y0)
56 bytes
> y <- objectSize(env)
> print(y)
6896 bytes
> 
> ## An environment with circular dependencies
> env <- new.env()
> env$a <- 1:100
> env$env <- env
> y0 <- object.size(env)
> print(y0)
56 bytes
> y <- objectSize(env)
> print(y)
448 bytes
> 
> message("TESTING: objectSize()...DONE")
TESTING: objectSize()...DONE
> 
> proc.time()
   user  system elapsed 
   0.23    0.10    0.32