commit 9980b37a80dc72eef05bf8862aaf475ab17790a5
author Bram Moolenaar <Bram@vim.org> Sat Apr 21 20:12:35 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Apr 21 20:12:35 2018 +0200
tree 021643bd31760296d3cc04f86bdb63a53e82b741
parent 6d150f783d5d3820fe69734dda1e79b8276a84d2

patch 8.0.1744: on some systems /dev/stdout isn't writable

Problem:    On some systems /dev/stdout isn't writable.
Solution:   Skip test if writing is not possible. (James McCoy, closes #2830)

src/testdir/test_writefile.vim

diff --git a/src/testdir/test_writefile.vim b/src/testdir/test_writefile.vim
index b8e0001..672ddd3 100644
--- a/src/testdir/test_writefile.vim
+++ b/src/testdir/test_writefile.vim
@@ -105,6 +105,10 @@
   if !has('unix')
     return
   endif
-  " Just check that this doesn't cause an error.
-  call writefile(['one'], '/dev/stdout')
+  if filewritable('/dev/stdout')
+    " Just check that this doesn't cause an error.
+    call writefile(['one'], '/dev/stdout')
+  else
+    throw 'Skipped: /dev/stdout is not writable'
+  endif
 endfunc