R Under development (unstable) (2023-06-30 r84625 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> source("incl/start.R")
[18:01:49.900] plan(): Setting new future strategy stack:
[18:01:49.902] List of future strategies:
[18:01:49.902] 1. sequential:
[18:01:49.902]    - args: function (..., envir = parent.frame())
[18:01:49.902]    - tweaked: FALSE
[18:01:49.902]    - call: future::plan("sequential")
[18:01:49.919] plan(): nbrOfWorkers() = 1
> library("listenv")
> oopts <- c(oopts, options(
+   future.debug = FALSE
+ ))
> 
> message("*** Globals inside local() environments ...")
*** Globals inside local() environments ...
> 
> for (strategy in supportedStrategies()) {
+   message(sprintf("- plan('%s') ...", strategy))
+   plan(strategy)
+ 
+   message("- Missing global variable")
+   g <- function() a
+   h <- function() {
+     a <- 1
+     g()
+   }
+   res <- tryCatch({
+     f <- future(h())
+     v <- value(f)
+   }, error = identity)
+   stopifnot(inherits(res, "error"))
+ 
+   message("- Missing global variable (v2)")
+   g <- function() a
+   h <- function(g) {
+     a <- 1
+     g()
+   }
+   res <- tryCatch({
+     f <- future(h(g))
+     v <- value(f)
+   }, error = identity)
+   stopifnot(inherits(res, "error"))
+ 
+   message("- Missing global variable (v3)")
+   g <- function() a
+   res <- tryCatch({
+     f <- future(local({
+       a <- 1
+       g()
+     }))
+     v <- value(f)
+   }, error = identity)
+   stopifnot(inherits(res, "error"))
+ 
+   message("- Non-missing global variable")
+   a <- 2
+   g <- function() a
+   f <- future(local({
+     a <- 1
+     g()
+   }), lazy = TRUE)
+   rm(list = "a")
+ 
+   if (isTRUE(as.logical(Sys.getenv("R_CHECK_IDEAL")))) {
+     v <- value(f)
+     stopifnot(v == 2)
+   } else {
+     v <- value(f)
+     stopifnot(v == 2)
+   }
+ 
+ 
+   message("- Non-missing global variable (inside local())")
+   ## FIXME: This works and fails in non-expected ways /HB 2022-05-26
+   local({
+     a <- 2
+     g <- function() a
+     f <- future(local({
+       a <- 1
+       g()
+     }), lazy = TRUE)
+     rm(list = "a")
+ 
+     truth <- 2
+     message("truth: ", truth)
+     
+     res <- tryCatch({ v <- value(f) }, error = identity)
+     print(res)
+     
+     if (isTRUE(as.logical(Sys.getenv("R_CHECK_IDEAL")))) {
+       stopifnot(identical(v, truth))
+     } else if (isTRUE(getOption("future.globals.keepWhere", FALSE))) {
+       if (isTRUE(getOption("future.globals.globalsOf.locals", TRUE))) {
+         if (strategy %in% c("sequential", "multicore")) {
+           stopifnot(inherits(res, "error"))
+         } else {
+           stopifnot(identical(v, truth))
+         }
+       } else {
+         stopifnot(identical(v, truth))
+       }
+     } else {
+       stopifnot(identical(v, truth))
+     }
+   })
+ 
+ 
+   message("- Name clashing of globals across local() environments")
+ 
+   ## Closures with local globals of the same name
+   g <- local({ a <- 2; function() a })
+   h <- local({ a <- 1; function() a })
+   truth <- g() + h()
+   message("truth: ", truth)
+ 
+   ## FIXME: This works and fails in non-expected ways /HB 2022-05-26
+   ## With:
+   ##
+   ##   f <- future(g() + h())
+   ##
+   ## there is a risk that global 'a' of g() overwrites global 'a' of h(),
+   ## resulting in h() == 2, rather than h() == 1. Vice versa, with:
+   ##
+   ##   f <- future(h() + g())
+   ##
+   ## 'a' of h() might overwride 'a' of g() so that g() == 1.
+   ## This has to be fixed.
+   ##
+   ## See also https://github.com/HenrikBengtsson/future/issues/608
+   
+   f <- future(g() + h())
+   v <- tryCatch(value(f), error = identity)
+ 
+   utils::str(list(strategy = strategy, v = v))
+   
+   if (isTRUE(as.logical(Sys.getenv("R_CHECK_IDEAL")))) {
+     stopifnot(identical(v, truth))
+   } else if (isTRUE(getOption("future.globals.keepWhere", FALSE))) {
+     if (isTRUE(getOption("future.globals.globalsOf.locals", TRUE))) {
+       stopifnot(identical(v, truth))
+     } else {
+       stopifnot(identical(v, truth))
+     }
+   } else {
+     if (isTRUE(getOption("future.globals.globalsOf.locals", TRUE))) {
+       if (strategy %in% c("sequential", "multicore")) {
+         stopifnot(identical(v, 4))    ## <= SERIOUS BUG!
+       } else {
+         stopifnot(identical(v, truth))
+       }
+     } else {
+       if (strategy %in% c("sequential", "multicore")) {
+         stopifnot(inherits(v, "error"))
+       } else {
+         stopifnot(identical(v, truth))
+       }
+     }
+   }
+ } ## for (strategy ...)
- plan('sequential') ...
- Missing global variable
- Missing global variable (v2)
- Missing global variable (v3)
- Non-missing global variable
- Non-missing global variable (inside local())
truth: 2
[1] 2
- Name clashing of globals across local() environments
truth: 3
List of 2
 $ strategy: chr "sequential"
 $ v       : num 4
- plan('multisession') ...
- Missing global variable
- Missing global variable (v2)
- Missing global variable (v3)
- Non-missing global variable
- Non-missing global variable (inside local())
truth: 2
[1] 2
- Name clashing of globals across local() environments
truth: 3
List of 2
 $ strategy: chr "multisession"
 $ v       : num 3
> 
> message("*** Globals inside local() environments ... DONE")
*** Globals inside local() environments ... DONE
> 
> source("incl/end.R")
Failed to undo environment variables:
 - Expected environment variables: [n=201] '!ExitCode', 'ALLUSERSPROFILE', 'APPDATA', 'BIBINPUTS', 'BINDIR', 'BSTINPUTS', 'COMMONPROGRAMFILES', 'COMPUTERNAME', 'COMSPEC', 'CURL_CA_BUNDLE', 'CYGWIN', 'CommonProgramFiles(x86)', 'CommonProgramW6432', 'DriverData', 'HOME', 'HOMEDRIVE', 'HOMEPATH', 'JAGS_ROOT', 'JAVA_HOME', 'LANGUAGE', 'LC_COLLATE', 'LC_MONETARY', 'LC_TIME', 'LOCALAPPDATA', 'LOGONSERVER', 'LS_HOME', 'LS_LICENSE_PATH', 'MAKE', 'MAKEFLAGS', 'MAKELEVEL', 'MFLAGS', 'MSMPI_BENCHMARKS', 'MSMPI_BIN', 'MSYS2_ENV_CONV_EXCL', 'NUMBER_OF_PROCESSORS', 'OMP_THREAD_LIMIT', 'OS', 'PATH', 'PATHEXT', 'PROCESSOR_ARCHITECTURE', 'PROCESSOR_IDENTIFIER', 'PROCESSOR_LEVEL', 'PROCESSOR_REVISION', 'PROGRAMFILES', 'PROMPT', 'PSModulePath', 'PUBLIC', 'PWD', 'ProgramData', 'ProgramFiles(x86)', 'ProgramW6432', 'RETICULATE_AUTOCONFIGURE', 'RTOOLS43_HOME', 'R_ARCH', 'R_BROWSER', 'R_BZIPCMD', 'R_CMD', 'R_COMPILED_BY', 'R_CRAN_WEB', 'R_CUSTOM_TOOLS_PATH', 'R_CUSTOM_TOOLS_SOFT', 'R_DOC_DIR', 'R_ENVIRON_USER', 'R_GSCMD', 'R_GZIPCMD', 'R_HOME', 'R_INCLUDE_DIR', 'R_INSTALL_TAR', 'R_LIBS', 'R_LIBS_SITE', 'R_LIBS_USER', 'R_MAX_NUM_DLLS', 'R_OSTYPE', 'R_PAPERSIZE', 'R_PAPERSIZE_USER', 'R_PARALLELLY_MAKENODEPSOCK_AUTOKILL', 'R_PARALLELLY_MAKENODEPSOCK_CONNECTTIMEOUT', 'R_PARALLELLY_MAKENODEPSOCK_RSCRIPT_LABEL', 'R_PARALLELLY_MAKENODEPSOCK_SESSIONINFO_PKGS', 'R_PARALLELLY_MAKENODEPSOCK_TIMEOUT', 'R_PARALLELLY_RANDOM_PORTS', 'R_PARALLEL_PORT', 'R_RD4PDF', 'R_RTOOLS43_PATH', 'R_SCRIPT_LEGACY', 'R_SHARE_DIR', 'R_TESTS', 'R_UNZIPCMD', 'R_USER', 'R_VERSION', 'R_ZIPCMD', 'SED', 'SHLVL', 'SYSTEMDRIVE', 'SYSTEMROOT', 'TAR', 'TAR_OPTIONS', 'TEMP', 'TERM', 'TEXINPUTS', 'TMP', 'TMPDIR', 'USERDOMAIN', 'USERDOMAIN_ROAMINGPROFILE', 'USERNAME', 'USERPROFILE', 'WINDIR', '_', '_R_CHECK_AUTOCONF_', '_R_CHECK_BOGUS_RETURN_', '_R_CHECK_BROWSER_NONINTERACTIVE_', '_R_CHECK_BUILD_VIGNETTES_SEPARATELY_', '_R_CHECK_CODETOOLS_PROFILE_', '_R_CHECK_CODE_ASSIGN_TO_GLOBALENV_', '_R_CHECK_CODE_ATTACH_', '_R_CHECK_CODE_CLASS_IS_STRING_', '_R_CHECK_CODE_DATA_INTO_GLOBALENV_', '_R_CHECK_CODE_USAGE_VIA_NAMESPACES_', '_R_CHECK_CODE_USAGE_WITHOUT_LOADING_', '_R_CHECK_CODE_USAGE_WITH_ONLY_BASE_ATTACHED_', '_R_CHECK_CODOC_VARIABLES_IN_USAGES_', '_R_CHECK_COMPACT_DATA2_', '_R_CHECK_COMPILATION_FLAGS_', '_R_CHECK_CONNECTIONS_LEFT_OPEN_', '_R_CHECK_CRAN_INCOMING_', '_R_CHECK_CRAN_INCOMING_CHECK_FILE_URIS_', '_R_CHECK_CRAN_INCOMING_CHECK_URLS_IN_PARALLEL_', '_R_CHECK_CRAN_INCOMING_NOTE_GNU_MAKE_', '_R_CHECK_CRAN_INCOMING_REMOTE_', '_R_CHECK_CRAN_INCOMING_USE_ASPELL_', '_R_CHECK_DATALIST_', '_R_CHECK_DEPRECATED_DEFUNCT_', '_R_CHECK_DOC_SIZES2_', '_R_CHECK_DOT_FIRSTLIB_', '_R_CHECK_DOT_INTERNAL_', '_R_CHECK_EXAMPLE_TIMING_THRESHOLD_', '_R_CHECK_EXECUTABLES_', '_R_CHECK_EXECUTABLES_EXCLUSIONS_', '_R_CHECK_FF_CALLS_', '_R_CHECK_FF_DUP_', '_R_CHECK_FORCE_SUGGESTS_', '_R_CHECK_FUTURE_FILE_TIMESTAMPS_', '_R_CHECK_FUTURE_FILE_TIMESTAMPS_LEEWAY_', '_R_CHECK_HAVE_MYSQL_', '_R_CHECK_HAVE_ODBC_', '_R_CHECK_HAVE_PERL_', '_R_CHECK_HAVE_POSTGRES_', '_R_CHECK_INSTALL_DEPENDS_', '_R_CHECK_INTERNALS2_', '_R_CHECK_LENGTH_1_CONDITION_', '_R_CHECK_LICENSE_', '_R_CHECK_LIMIT_CORES_', '_R_CHECK_MATRIX_DATA_', '_R_CHECK_NATIVE_ROUTINE_REGISTRATION_', '_R_CHECK_NEWS_IN_PLAIN_TEXT_', '_R_CHECK_NO_RECOMMENDED_', '_R_CHECK_NO_STOP_ON_TEST_ERROR_', '_R_CHECK_ORPHANED_', '_R_CHECK_OVERWRITE_REGISTERED_S3_METHODS_', '_R_CHECK_PACKAGES_USED_IGNORE_UNUSED_IMPORTS_', '_R_CHECK_PACKAGES_USED_IN_TESTS_USE_SUBDIRS_', '_R_CHECK_PACKAGE_DATASETS_SUPPRESS_NOTES_', '_R_CHECK_PACKAGE_NAME_', '_R_CHECK_PKG_SIZES_', '_R_CHECK_PKG_SIZES_THRESHOLD_', '_R_CHECK_PRAGMAS_', '_R_CHECK_RD_EXAMPLES_T_AND_F_', '_R_CHECK_RD_LINE_WIDTHS_', '_R_CHECK_RD_MATH_RENDERING_', '_R_CHECK_RD_VALIDATE_RD2HTML_', '_R_CHECK_REPLACING_IMPORTS_', '_R_CHECK_R_DEPENDS_', '_R_CHECK_S3_METHODS_SHOW_POSSIBLE_ISSUES_', '_R_CHECK_SCREEN_DEVICE_', '_R_CHECK_SERIALIZATION_', '_R_CHECK_SHLIB_OPENMP_FLAGS_', '_R_CHECK_SRC_MINUS_W_IMPLICIT_', '_R_CHECK_SUBDIRS_NOCASE_', '_R_CHECK_SUBDIRS_STRICT_', '_R_CHECK_SUGGESTS_ONLY_', '_R_CHECK_SYSTEM_CLOCK_', '_R_CHECK_TESTS_NLINES_', '_R_CHECK_TEST_TIMING_', '_R_CHECK_TIMINGS_', '_R_CHECK_TOPLEVEL_FILES_', '_R_CHECK_UNDOC_USE_ALL_NAMES_', '_R_CHECK_UNSAFE_CALLS_', '_R_CHECK_URLS_SHOW_301_STATUS_', '_R_CHECK_VC_DIRS_', '_R_CHECK_VIGNETTES_NLINES_', '_R_CHECK_VIGNETTES_SKIP_RUN_MAYBE_', '_R_CHECK_VIGNETTE_TIMING_', '_R_CHECK_VIGNETTE_TITLES_', '_R_CHECK_WINDOWS_DEVICE_', '_R_CHECK_XREFS_USE_ALIASES_FROM_CRAN_', '_R_CLASS_MATRIX_ARRAY_', '_R_INSTALL_TIME_PATCHES_', '_R_S3_METHOD_LOOKUP_BASEENV_AFTER_GLOBALENV_', '_R_SHLIB_BUILD_OBJECTS_SYMBOL_TABLES_', 'maj.version', 'nextArg--timingsnextArg--install'
 - Environment variables still there: [n=0] 
 - Environment variables missing: [n=1] 'MAKEFLAGS'
Differences environment variable by environment variable:
List of 3
 $ name    : chr "MAKEFLAGS"
 $ expected: 'Dlist' chr ""
 $ actual  : 'Dlist' chr NA
> 
> proc.time()
   user  system elapsed 
   0.65    0.04    1.46