R Under development (unstable) (2026-02-24 r89478 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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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)
> test_check("fozziejoin")
Loading required package: fozziejoin

thread '<unnamed>' (31540) panicked at D:\temp\2026_02_25_05_50_17_23494\RtmpK2sSuw\R.INSTALLb5a060f2191d\fozziejoin\src\vendor\extendr-api\src\robj\into_robj.rs:74:13:
called `Result::unwrap()` on an `Err` value: Failed initial regex join: Failed to build RegexSet: regex parse error:
    (
    ^
error: unclosed group
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

thread '<unnamed>' (31540) panicked at src\lib.rs:212:1:
explicit panic
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 144 ]
> 
> proc.time()
   user  system elapsed 
   3.51    0.73    4.34