commit a0c4e2f2d7aa164d9d7692702c752ea063bd3a8c
author zeertzjq <zeertzjq@outlook.com> Sat Jan 29 10:59:53 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Sat Jan 29 10:59:53 2022 +0000
tree 3537a2b9dd2fe0308c33c23ecfc1fbb3111afc26
parent 06f15416bb8d5636200a10776f1752c4d6e49f31

patch 8.2.4248: no proper test for moving the window separator

Problem:    No proper test for moving the window separator.
Solution:   Add a test.  Add comment in code. (closes #9656)

src/testdir/test_window_cmd.vim

diff --git a/src/testdir/test_window_cmd.vim b/src/testdir/test_window_cmd.vim
index e042160..19b4466 100644
--- a/src/testdir/test_window_cmd.vim
+++ b/src/testdir/test_window_cmd.vim
@@ -1424,6 +1424,12 @@
     call assert_true(id->win_move_separator(-offset))
     call assert_equal(w, winwidth(id))
   endfor
+  " check win_move_separator from right window on right window is no-op
+  let w0 = winwidth(0)
+  call assert_true(win_move_separator(0, 1))
+  call assert_equal(w0, winwidth(0))
+  call assert_true(win_move_separator(0, -1))
+  call assert_equal(w0, winwidth(0))
   " check that win_move_separator doesn't error with offsets beyond moving
   " possibility
   call assert_true(win_move_separator(id, 5000))
@@ -1465,6 +1471,19 @@
     call assert_true(win_move_statusline(1, -offset))
     call assert_equal(h, winheight(1))
   endfor
+  " check win_move_statusline from bottom window on bottom window
+  let h0 = winheight(0)
+  for offset in range(5)
+    call assert_true(0->win_move_statusline(-offset))
+    call assert_equal(h0 - offset, winheight(0))
+    call assert_equal(1 + offset, &cmdheight)
+    call assert_true(win_move_statusline(0, offset))
+    call assert_equal(h0, winheight(0))
+    call assert_equal(1, &cmdheight)
+  endfor
+  call assert_true(win_move_statusline(0, 1))
+  call assert_equal(h0, winheight(0))
+  call assert_equal(1, &cmdheight)
   " check win_move_statusline from bottom window on top window ID
   let id = win_getid(1)
   for offset in range(5)