patch 7.4.1835
Problem:    When splitting and closing a window the status height changes.
Solution:   Compute the frame height correctly. (Hirohito Higashi)
diff --git a/src/testdir/test_alot.vim b/src/testdir/test_alot.vim
index 6bfd81e..d8d460a 100644
--- a/src/testdir/test_alot.vim
+++ b/src/testdir/test_alot.vim
@@ -32,3 +32,4 @@
 source test_timers.vim
 source test_undolevels.vim
 source test_unlet.vim
+source test_window_cmd.vim
diff --git a/src/testdir/test_window_cmd.vim b/src/testdir/test_window_cmd.vim
new file mode 100644
index 0000000..d2e4272
--- /dev/null
+++ b/src/testdir/test_window_cmd.vim
@@ -0,0 +1,37 @@
+" Tests for window cmd (:wincmd, :split, :vsplit, :resize and etc...)
+
+func Test_window_cmd_ls0_with_split()
+  set ls=0
+  set splitbelow
+  split
+  quit
+  call assert_equal(0, &lines - &cmdheight - winheight(0))
+  new | only!
+  "
+  set splitbelow&vim
+  botright split
+  quit
+  call assert_equal(0, &lines - &cmdheight - winheight(0))
+  new | only!
+  set ls&vim
+endfunc
+
+func Test_window_cmd_cmdwin_with_vsp()
+  let efmt='Expected 0 but got %d (in ls=%d, %s window)'
+  for v in range(0, 2)
+    exec "set ls=" . v
+    vsplit
+    call feedkeys("q:\<CR>")
+    let ac = &lines - (&cmdheight + winheight(0) + !!v)
+    let emsg = printf(efmt, ac, v, 'left')
+    call assert_equal(0, ac, emsg)
+    wincmd w
+    let ac = &lines - (&cmdheight + winheight(0) + !!v)
+    let emsg = printf(efmt, ac, v, 'right')
+    call assert_equal(0, ac, emsg)
+    new | only!
+  endfor
+  set ls&vim
+endfunc
+
+" vim: sw=2 et