patch 8.0.1811: no test for winrestcmd()

Problem:    No test for winrestcmd().
Solution:   Add a test. (Dominique Pelle, closes #2894)

src/testdir/test_window_cmd.vim

@@ -17,7 +17,7 @@ func Test_window_cmd_ls0_with_split()
 endfunc
 
 func Test_window_cmd_cmdwin_with_vsp()
-  let efmt='Expected 0 but got %d (in ls=%d, %s window)'
+  let efmt = 'Expected 0 but got %d (in ls=%d, %s window)'
   for v in range(0, 2)
     exec "set ls=" . v
     vsplit
@@ -444,21 +444,21 @@ func Test_window_contents()
 
   exe "norm! \<C-W>t\<C-W>=1Gzt\<C-W>w\<C-W>+"
   redraw
-  let s3=GetScreenStr(1)
+  let s3 = GetScreenStr(1)
   wincmd p
   call assert_equal(1, line("w0"))
   call assert_equal('1  ', s3)
 
   exe "norm! \<C-W>t\<C-W>=50Gzt\<C-W>w\<C-W>+"
   redraw
-  let s3=GetScreenStr(1)
+  let s3 = GetScreenStr(1)
   wincmd p
   call assert_equal(50, line("w0"))
   call assert_equal('50 ', s3)
 
   exe "norm! \<C-W>t\<C-W>=59Gzt\<C-W>w\<C-W>+"
   redraw
-  let s3=GetScreenStr(1)
+  let s3 = GetScreenStr(1)
   wincmd p
   call assert_equal(59, line("w0"))
   call assert_equal('59 ', s3)
@@ -507,4 +507,19 @@ func Test_visual_cleared_after_window_split()
   bwipe!
 endfunc
 
+func Test_winrestcmd()
+  2split
+  3vsplit
+  let a = winrestcmd()
+  call assert_equal(2, winheight(0))
+  call assert_equal(3, winwidth(0))
+  wincmd =
+  call assert_notequal(2, winheight(0))
+  call assert_notequal(3, winwidth(0))
+  exe a
+  call assert_equal(2, winheight(0))
+  call assert_equal(3, winwidth(0))
+  only
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1811,
 /**/
     1810,
 /**/