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testthat
fail
fail function
Declare that an expectation either passes or fails
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testthat package
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Maintainer: Hadley Wickham
License: MIT + file LICENSE
Last published: 2025-11-25
Useful links
https://github.com/r-lib/testthat/issues
https://testthat.r-lib.org
https://github.com/r-lib/testthat