From 3fb01a53c685d8d7e7bd83c33500de80aed0d7c8 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Tue, 9 Apr 2019 21:52:02 +0200
Subject: [PATCH] patch 8.1.1142: no test for dragging the window separators
 with the mouse

Problem:    No test for dragging the window separators with the mouse.
Solution:   Add a test. (Dominique Pelle, closes #4226)
---
 src/testdir/test_termcodes.vim | 58 ++++++++++++++++++++++++++++++++++
 src/version.c                  |  2 ++
 2 files changed, 60 insertions(+)

diff --git a/src/testdir/test_termcodes.vim b/src/testdir/test_termcodes.vim
index 0bee55abe..ac846a4ad 100644
--- a/src/testdir/test_termcodes.vim
+++ b/src/testdir/test_termcodes.vim
@@ -111,3 +111,61 @@ func Test_xterm_mouse_wheel()
   let &ttymouse = save_ttymouse
   bwipe!
 endfunc
+
+func Test_xterm_mouse_drag_window_separator()
+  let save_mouse = &mouse
+  let save_term = &term
+  let save_ttymouse = &ttymouse
+  set mouse=a
+  set term=xterm
+  set ttymouse=sgr
+
+  " Split horizontally and test dragging the horizontal window separator.
+  split
+  let rowseparator = winheight(0) + 1
+
+  let button = 0  " left down.
+  let row = rowseparator
+  let col = 1
+  call feedkeys(printf("\<Esc>[<%d;%d;%dM", button, col, row), 'Lx!')
+
+  let drag = 32
+  let row -= 1
+  call feedkeys(printf("\<Esc>[<%d;%d;%dM", drag, col, row), 'Lx!')
+  call assert_equal(rowseparator - 1, winheight(0) + 1)
+  let row += 1
+  call feedkeys(printf("\<Esc>[<%d;%d;%dM", drag, col, row), 'Lx!')
+  call assert_equal(rowseparator, winheight(0) + 1)
+
+  let release = 3
+  call feedkeys(printf("\<Esc>[<%d;%d;%dm", release, col, row), 'Lx!')
+  call assert_equal(rowseparator, winheight(0) + 1)
+
+  bwipe!
+
+  " Split vertically and test dragging the vertical window separator.
+  vsplit
+  let colseparator = winwidth(0) + 1
+
+  let button = 0
+  let row = 1
+  let col = colseparator
+  call feedkeys(printf("\<Esc>[<%d;%d;%dM", button, col, row), 'Lx!')
+
+  let drag = 32
+  let col -= 1
+  call feedkeys(printf("\<Esc>[<%d;%d;%dM", drag, col, row), 'Lx!')
+  call assert_equal(colseparator - 1, winwidth(0) + 1)
+  let col += 1
+  call feedkeys(printf("\<Esc>[<%d;%d;%dM", drag, col, row), 'Lx!')
+  call assert_equal(colseparator, winwidth(0) + 1)
+
+  let release = 3
+  call feedkeys(printf("\<Esc>[<%d;%d;%dm", release, col, row), 'Lx!')
+  call assert_equal(colseparator, winwidth(0) + 1)
+
+  bwipe!
+  let &mouse = save_mouse
+  let &term = save_term
+  let &ttymouse = save_ttymouse
+endfunc
diff --git a/src/version.c b/src/version.c
index 4dc55f4f8..a9e4ccf74 100644
--- a/src/version.c
+++ b/src/version.c
@@ -771,6 +771,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1142,
 /**/
     1141,
 /**/
-- 
2.50.1