# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1694024108 -7200
# Node ID f17604cf816b942a35c7d3c5e3326c9ad14da7df
# Parent  8bc48ca90534bc05927b96eee16aa449a65dee52
patch 9.0.1877: missing test for patch 9.0.1873

Commit: https://github.com/vim/vim/commit/18d2709aa12ffa3f6ae1a13059990558c5f8e406
Author: Christian Brabandt <cb@256bit.org>
Date:   Wed Sep 6 19:53:36 2023 +0200

    patch 9.0.1877: missing test for patch 9.0.1873

    Problem:  missing test for patch 9.0.1873
    Solution: add a test trying to exchange windows

    Add a test, making sure that switching windows is not allowed when
    textlock is active, e.g. when running `:s/<pat>/\=func()/`

    Signed-off-by: Christian Brabandt <cb@256bit.org>

diff --git a/src/testdir/test_substitute.vim b/src/testdir/test_substitute.vim
--- a/src/testdir/test_substitute.vim
+++ b/src/testdir/test_substitute.vim
@@ -1439,4 +1439,18 @@ func Test_z_substitute_expr_leak()
   delfunc SubExpr
 endfunc
 
+func Test_substitute_expr_switch_win()
+  func R()
+    wincmd x
+    return 'XXXX'
+  endfunc
+  new Xfoobar
+  let bufnr = bufnr('%')
+  put ="abcdef"
+  silent! s/\%')/\=R()
+  call assert_fails(':%s/./\=R()/g', 'E565')
+  delfunc R
+  exe bufnr .. "bw!"
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1877,
+/**/
     1876,
 /**/
     1875,