1 files changed, 47 insertions, 19 deletions

diff --git a/src/nvim/testdir/test_stat.vim b/src/nvim/testdir/test_stat.vim
index 89ca9ef379..1239fe9427 100644
--- a/src/nvim/testdir/test_stat.vim
+++ b/src/nvim/testdir/test_stat.vim
@@ -1,24 +1,45 @@
 " Tests for stat functions and checktime
 
-func Test_existent_file()
-  let fname='Xtest.tmp'
+func CheckFileTime(doSleep)
+  let fname = 'Xtest.tmp'
+  let result = 0
 
-  let ts=localtime()
-  sleep 1
-  let fl=['Hello World!']
+  let ts = localtime()
+  if a:doSleep
+    sleep 1
+  endif
+  let fl = ['Hello World!']
   call writefile(fl, fname)
-  let tf=getftime(fname)
-  sleep 1
-  let te=localtime()
+  let tf = getftime(fname)
+  if a:doSleep
+    sleep 1
+  endif
+  let te = localtime()
+
+  let time_correct = (ts <= tf && tf <= te)
+  if a:doSleep || time_correct
+    call assert_true(time_correct)
+    call assert_equal(strlen(fl[0] . "\n"), getfsize(fname))
+    call assert_equal('file', getftype(fname))
+    call assert_equal('rw-', getfperm(fname)[0:2])
+    let result = 1
+  endif
+
+  call delete(fname)
+  return result
+endfunc
 
-  call assert_true(ts <= tf && tf <= te)
-  call assert_equal(strlen(fl[0] . "\n"), getfsize(fname))
-  call assert_equal('file', getftype(fname))
-  call assert_equal('rw-', getfperm(fname)[0:2])
+func Test_existent_file()
+  " On some systems the file timestamp is rounded to a multiple of 2 seconds.
+  " We need to sleep to handle that, but that makes the test slow.  First try
+  " without the sleep, and if it fails try again with the sleep.
+  if CheckFileTime(0) == 0
+    call CheckFileTime(1)
+  endif
 endfunc
 
 func Test_existent_directory()
-  let dname='.'
+  let dname = '.'
 
   call assert_equal(0, getfsize(dname))
   call assert_equal('dir', getftype(dname))
@@ -26,22 +47,29 @@ func Test_existent_directory()
 endfunc
 
 func Test_checktime()
-  let fname='Xtest.tmp'
+  let fname = 'Xtest.tmp'
 
-  let fl=['Hello World!']
+  let fl = ['Hello World!']
   call writefile(fl, fname)
   set autoread
   exec 'e' fname
-  sleep 2
-  let fl=readfile(fname)
+  " FAT has a granularity of 2 seconds, otherwise it's usually 1 second
+  if has('win32')
+    sleep 2
+  else
+    sleep 2
+  endif
+  let fl = readfile(fname)
   let fl[0] .= ' - checktime'
   call writefile(fl, fname)
   checktime
   call assert_equal(fl[0], getline(1))
+
+  call delete(fname)
 endfunc
 
 func Test_nonexistent_file()
-  let fname='Xtest.tmp'
+  let fname = 'Xtest.tmp'
 
   call delete(fname)
   call assert_equal(-1, getftime(fname))
@@ -55,7 +83,7 @@ func Test_win32_symlink_dir()
   " So we use an existing symlink for this test.
   if has('win32')
     " Check if 'C:\Users\All Users' is a symlink to a directory.
-    let res=system('dir C:\Users /a')
+    let res = system('dir C:\Users /a')
     if match(res, '\C<SYMLINKD> *All Users') >= 0
       " Get the filetype of the symlink.
       call assert_equal('dir', getftype('C:\Users\All Users'))