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source("incl/start.R")
message("progression() ...")
p <- progression()
print(p)
stopifnot(inherits(p, "progression"))
p <- progress()
print(p)
stopifnot(inherits(p, "progression"))
p2 <- progress(p)
print(p2)
stopifnot(identical(p2, p))
res <- tryCatch(progress(p), progression = function(p) TRUE)
print(res)
stopifnot(isTRUE(res))
res <- FALSE
withCallingHandlers(progress(p), progression = function(p) { res <<- TRUE })
print(res)
stopifnot(isTRUE(res))
message("progression() ... done")
source("incl/end.R")
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