* using log directory 'd:/Rcompile/CRANpkg/local/3.6/vegawidget.Rcheck'
* using R version 3.6.3 (2020-02-29)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'vegawidget/DESCRIPTION' ... OK
* this is package 'vegawidget' version '0.3.2'
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'vegawidget' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking 'build' directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [5s] OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking contents of 'data' directory ... OK
* checking data for non-ASCII characters ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking R/sysdata.rda ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... ERROR
Running examples in 'vegawidget-Ex.R' failed
The error most likely occurred in:

> ### Name: vw_set_base_url
> ### Title: Set base URL
> ### Aliases: vw_set_base_url
> 
> ### ** Examples
> 
>  # this is the URL used for Vega datasets
>  previous <- vw_set_base_url("https://cdn.jsdelivr.net/npm/vega-datasets@2")
> 
>  # reset to previous value
>  vw_set_base_url(previous)
Error in vega_embed_local[["loader"]][["baseURL"]] <- url : 
  replacement has length zero
Calls: vw_set_base_url
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [5s] ERROR
  Running 'testthat.R' [4s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(vegawidget)
  > 
  > test_check("vegawidget")
  
  Attaching package: 'rlang'
  
  The following objects are masked from 'package:testthat':
  
      is_false, is_null, is_true
  
  == Skipped tests ===============================================================
  * On CRAN (7)
  
  == Failed tests ================================================================
  -- Error (test-set-base-url.R:18:3): vw_set_base_url() works -------------------
  Error: replacement has length zero
  Backtrace:
      x
   1. \-vegawidget::vw_set_base_url(NULL) test-set-base-url.R:18:2
  
  [ FAIL 1 | WARN 0 | SKIP 7 | PASS 71 ]
  Error: Test failures
  Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes in 'inst/doc' ... OK
* checking re-building of vignette outputs ... [1s] OK
* checking PDF version of manual ... OK
* DONE
Status: 2 ERRORs