Running ‘testthat.R’ [10s/12s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > #library(ffbase)
  > library(testthat)
  > 
  > test_check("ffbase")
  Loading required package: ffbase
  Loading required package: ff
  Loading required package: bit
  Attaching package bit
  package:bit (c) 2008-2012 Jens Oehlschlaegel (GPL-2)
  creators: bit bitwhich
  coercion: as.logical as.integer as.bit as.bitwhich which
  operator: ! & | xor != ==
  querying: print length any all min max range sum summary
  bit access: length<- [ [<- [[ [[<-
  for more help type ?bit
  
  Attaching package: 'bit'
  
  The following object is masked from 'package:base':
  
      xor
  
  Attaching package ff
  - getOption("fftempdir")=="/home/hornik/tmp/scratch/RtmpysTRKP"
  
  - getOption("ffextension")=="ff"
  
  - getOption("ffdrop")==TRUE
  
  - getOption("fffinonexit")==TRUE
  
  - getOption("ffpagesize")==65536
  
  - getOption("ffcaching")=="mmnoflush"  -- consider "ffeachflush" if your system stalls on large writes
  
  - getOption("ffbatchbytes")==16777216 -- consider a different value for tuning your system
  
  - getOption("ffmaxbytes")==536870912 -- consider a different value for tuning your system
  
  
  Attaching package: 'ff'
  
  The following objects are masked from 'package:bit':
  
      clone, clone.default, clone.list
  
  The following objects are masked from 'package:utils':
  
      write.csv, write.csv2
  
  The following objects are masked from 'package:base':
  
      is.factor, is.ordered
  
  Registered S3 methods overwritten by 'ffbase':
    method   from
    [.ff     ff  
    [.ffdf   ff  
    [<-.ff   ff  
    [<-.ffdf ff  
  
  Attaching package: 'ffbase'
  
  The following objects are masked from 'package:ff':
  
      [.ff, [.ffdf, [<-.ff, [<-.ffdf
  
  The following objects are masked from 'package:base':
  
      %in%, table
  
  ── 1. Error: Coercing an ff vector works (@testffappend.R#65)  ─────────────────
  clone not defined for type
  1: ffappend(fx, fy, by = 2) at testthat/testffappend.R:65
  2: coerce_to_highest_vmode(x = x, y = y, onlytest = FALSE)
  3: clone(x, vmode = needtocoerce$coerceto)
  4: clone.default(x, vmode = needtocoerce$coerceto)
  5: stop("clone not defined for type")
  
  ── 2. Error: Coercing an ffdf works (@testffappend.R#89)  ──────────────────────
  clone not defined for type
  1: ffdfappend(x = x, dat = dat, by = 2) at testthat/testffappend.R:89
  2: coerce_to_highest_vmode(x = x, y = dat, onlytest = FALSE)
  3: clone(x[[column]], vmode = needtocoerce$coerceto[i])
  4: clone.default(x[[column]], vmode = needtocoerce$coerceto[i])
  5: stop("clone not defined for type")
  
  ══ testthat results  ═══════════════════════════════════════════════════════════
  OK: 192 SKIPPED: 3 FAILED: 2
  1. Error: Coercing an ff vector works (@testffappend.R#65) 
  2. Error: Coercing an ffdf works (@testffappend.R#89) 
  
  Error: testthat unit tests failed
  Execution halted