R Under development (unstable) (2023-11-16 r85542 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2023 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library("R.utils")
Loading required package: 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 v1.25.0 (2022-06-12 02:20:02 UTC) 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

R.utils v2.12.3 successfully loaded. See ?R.utils for help.

Attaching package: 'R.utils'

The following object is masked from 'package:utils':

    timestamp

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

    cat, commandArgs, getOption, isOpen, nullfile, parse, warnings

> 
> x <- c(7, 8, 15, 16)
> print(x)
[1]  7  8 15 16
> 
> y <- intToHex(x)
> y_truth <- c("07", "08", "0f", "10")
> print(y)
[1] "07" "08" "0f" "10"
> stopifnot(is.character(y), all(!is.na(y)), identical(y, y_truth))
> 
> y <- intToOct(x)
> y_truth <- c("07", "10", "17", "20")
> print(y)
[1] "07" "10" "17" "20"
> stopifnot(is.character(y), all(!is.na(y)), identical(y, y_truth))
> 
> y <- intToBin(x)
> y_truth <- c("00111", "01000", "01111", "10000")
> print(y)
[1] "00111" "01000" "01111" "10000"
> stopifnot(is.character(y), all(!is.na(y)), identical(y, y_truth))
> 
> 
> x <- -3:3
> print(x)
[1] -3 -2 -1  0  1  2  3
> 
> y <- intToHex(x)
> y_truth <- c("fffffffd", "fffffffe", "ffffffff",
+              "00000000",
+              "00000001", "00000002", "00000003")
> print(y)
[1] "fffffffd" "fffffffe" "ffffffff" "00000000" "00000001" "00000002" "00000003"
> stopifnot(is.character(y), all(!is.na(y)), identical(y, y_truth))
> 
> y <- intToOct(x)
> y_truth <- c("37777777775", "37777777776", "37777777777",
+              "00000000000",
+              "00000000001", "00000000002", "00000000003")
> print(y)
[1] "37777777775" "37777777776" "37777777777" "00000000000" "00000000001"
[6] "00000000002" "00000000003"
> stopifnot(is.character(y), all(!is.na(y)), identical(y, y_truth))
> 
> y <- intToBin(x)
> y_truth <- c("1111111111111111111111111111101",
+              "1111111111111111111111111111110",
+              "1111111111111111111111111111111",
+              "0000000000000000000000000000000",
+              "0000000000000000000000000000001",
+              "0000000000000000000000000000010",
+              "0000000000000000000000000000011")
> print(y)
[1] "1111111111111111111111111111101" "1111111111111111111111111111110"
[3] "1111111111111111111111111111111" "0000000000000000000000000000000"
[5] "0000000000000000000000000000001" "0000000000000000000000000000010"
[7] "0000000000000000000000000000011"
> stopifnot(is.character(y), all(!is.na(y)), identical(y, y_truth))
> 
> 
> ## Integer out of range
> x <- 2^31
> 
> y <- intToBin(x)
Warning message:
In intToBin(x) : NAs introduced by coercion to integer range
> print(y)
[1] NA
> stopifnot(is.character(y), is.na(y))
> 
> y <- intToHex(x)
Warning message:
In intToHex(x) : NAs introduced by coercion to integer range
> print(y)
[1] NA
> stopifnot(is.character(y), is.na(y))
> 
> y <- intToOct(x)
Warning message:
In intToOct(x) : NAs introduced by coercion to integer range
> print(y)
[1] NA
> stopifnot(is.character(y), is.na(y))
> 
> proc.time()
   user  system elapsed 
   0.29    0.12    0.37