R Under development (unstable) (2024-02-27 r85995 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2024 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.

> assert_valid_alphabet <- seguid:::assert_valid_alphabet
> assert_in_alphabet <- seguid:::assert_in_alphabet
> assert_alphabet <- seguid:::assert_alphabet
> 
> seq <- "ABCDEFGH"
> alphabet <- c("A", "C", "G", "T")
> 
> assert_valid_alphabet(alphabet)
> res <- tryCatch({
+   assert_valid_alphabet("!")
+ }, error = identity)
> stopifnot(inherits(res, "error"))
> 
> assert_in_alphabet("ACGT", alphabet = alphabet)
> assert_in_alphabet("AAAA", alphabet = alphabet)
> assert_in_alphabet("", alphabet = alphabet)
[1] ""
> 
> res <- tryCatch({
+   assert_in_alphabet("x", alphabet = alphabet)
+ }, error = identity)
> stopifnot(inherits(res, "error"))
> 
> res <- tryCatch({
+   assert_in_alphabet("ACGTx", alphabet = alphabet)
+ }, error = identity)
> stopifnot(inherits(res, "error"))
> 
> 
> 
> alphabet <- c(G = "C", A = "T", T = "A", C = "G")
> assert_alphabet(alphabet)
> 
> res <- tryCatch({
+   alphabet <- c(G = "C", A = "T", T = "A", x = "G")
+   assert_alphabet(alphabet)
+ }, error = identity)
> stopifnot(inherits(res, "error"))
> 
> proc.time()
   user  system elapsed 
   0.17    0.04    0.20