R version 4.4.0 Under development (unstable) (2006-00-00 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2006 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

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> # only run this when NOT_CRAN is true (e.g., on Travis CI)
> if (Sys.getenv('NOT_CRAN') == 'true') local({
+   all_files = function() {
+     list.files('rmd', all.files = TRUE, full.names = TRUE)
+   }
+   files1 = all_files()
+   on.exit(unlink(setdiff(all_files(), files1), recursive = TRUE), add = TRUE)
+ 
+   for (f in list.files('rmd', '[.]Rmd$', full.names = TRUE)) {
+     rmarkdown::render(f, envir = globalenv(), quiet = TRUE)
+   }
+ 
+   # split by section works correctly
+   ## id is used for html file name
+   sections_files = c("section-1.html", "subsection-1.html", "section-2.html", "sub2.html")
+   if (any(!file.exists(file.path("rmd", sections_files))))
+     stop("Failed to generate sections files")
+   ## reference is working correctly (see #787)
+   if (!any(xfun::read_utf8("rmd/subsection-1.html") == '<p>See chapter 2 now at <a href="section-2.html#section-2">2</a></p>'))
+     stop('Failed to reference section when split by sections')
+   if (!any(xfun::read_utf8("rmd/sub2.html") == '<p>See figure <a href="sub2.html#fig:iris-plot">2.1</a></p>'))
+     stop('Failed to reference figure when split by sections')
+ 
+   # Check equation label are working
+   if (!any(readLines('rmd/equation-label.html') == 'y \\in \\mathbb{Z} \\tag{2}')) {
+     stop('Failed to render the equation label in equation-label.Rmd')
+   }
+ 
+   # footnotes are parsed and moved correctly
+   ## deleted from last section
+   if (any(grepl('<div class="footnotes[^"]*">', readLines("rmd/subsection-footnotes-2.html")))) {
+     stop('Failed to parse and delete the footnotes in parse-footnotes.Rmd')
+   }
+   ## footnote one is moved to first section
+   if (!any(readLines('rmd/test-footnote.html') == '<div class="footnotes">') ||
+       !any(grepl('id="fn1"', readLines('rmd/test-footnote.html')))) {
+     stop('Failed to move the footnotes back to subsection 1 in parse-footnotes.Rmd')
+   }
+   ## footnote two is moved to second section
+   if (!any(readLines('rmd/subsection-footnotes-1.html') == '<div class="footnotes">') ||
+       !any(grepl('id="fn2"', readLines('rmd/subsection-footnotes-1.html')))) {
+     stop('Failed to move the footnotes back to subsection 1 in parse-footnotes.Rmd')
+   }
+   # multiline footnote is also moved
+   if (!any(readLines('rmd/subsection-footnotes-1.html') == '<div class="footnotes">') ||
+       !any(grepl('id="fn3"', readLines('rmd/subsection-footnotes-1.html')))) {
+     stop('Failed to move the footnotes back to subsection 1 in parse-footnotes.Rmd')
+   }
+ 
+   # number sections now works in markdown_document2
+   content = readLines("rmd/number-sections.md")
+   if (!any(grepl("(## )?1.1 subsection 1", content)) ||
+       !any(grepl("<a href=.*>2.1</a>", content))) {
+     stop("Something wrong in number-sections.Rmd")
+   }
+ 
+   # lua filter for custom environment
+   local({
+     reg_env = sprintf('<div class="(%s)">', paste(bookdown:::all_math_env, collapse = "|"))
+     if (!any(grepl(reg_env, readLines("rmd/custom-environments.html"))))
+       stop("Lua filter for custom environment fails to create divs")
+     i18n = xfun::in_dir("rmd", bookdown:::load_config()$language$label$solution)
+     reg_span = sprintf('<span .* class="solution"><em>%s</em>\\. </span>', i18n)
+     if (!any(grepl(reg_span, readLines("rmd/custom-environments.html"))))
+       stop("Lua filter for custom environment fails to apply correct translation")
+   })
+ 
+   # tests also some specific format
+   rmarkdown::render(
+     "rmd/custom-environments.Rmd", output_format = "bookdown::pdf_document2",
+     envir = globalenv(), quiet = TRUE
+   )
+   if (!file.exists("rmd/custom-environments.pdf"))
+     stop("Failed to render custom-environments for pdf document")
+ 
+ })
> 
> proc.time()
   user  system elapsed 
   0.18    0.03    0.15