R Under development (unstable) (2025-01-22 r87618 ucrt) -- "Unsuffered Consequences"
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> # This file is part of the standard setup for testthat.
> # It is recommended that you do not modify it.
> #
> # Where should you do additional test configuration?
> # Learn more about the roles of various files in:
> # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
> # * https://testthat.r-lib.org/articles/special-files.html
> 
> library(testthat)
> library(BKT)
> 
> test_check("BKT")
[ FAIL 1 | WARN 0 | SKIP 0 | PASS 6 ]

══ Failed tests ════════════════════════════════════════════════════════════════
── Error ('test-usage_1.R:11:5'): test-usage_1 ─────────────────────────────────
Error in `matrix(1, nrow = 2, ncol = T)`: invalid 'ncol' value (too large or NA)
Backtrace:
     ▆
  1. └─BKT::fit(model, data_path = "ct.csv", skills = "Plot non-terminating improper fraction") at test-usage_1.R:11:5
  2.   └─BKT:::partial_fit(...)
  3.     └─BKT:::._fit(...)
  4.       └─BKT:::EM_fit(fitmodel, data, parallel = object@parallel, fixed = optional_args$fixed)
  5.         └─BKT:::run(...)
  6.           └─base::tryCatch(...)
  7.             └─base (local) tryCatchList(expr, classes, parentenv, handlers)
  8.               └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
  9.                 └─value[[3L]](cond)
 10.                   └─base::lapply(thread_counts, inner)
 11.                     └─BKT (local) FUN(X[[i]], ...)
 12.                       └─base::matrix(1, nrow = 2, ncol = T)

[ FAIL 1 | WARN 0 | SKIP 0 | PASS 6 ]
Error: Test failures
Execution halted