From b7407d3fc9496f9048fb65ab17b5ba3444965c0e Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 3 Feb 2018 17:36:27 +0100
Subject: patch 8.0.1459: cannot handle change of directory

Problem:    Cannot handle change of directory.
Solution:   Add the DirChanged autocommand event. (Andy Massimino,
            closes #888)  Avoid changing directory for 'autochdir' too often.
---
 src/testdir/test_autocmd.vim | 56 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

(limited to 'src/testdir/test_autocmd.vim')

diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index b7d43b59a..c504f704f 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -1190,3 +1190,59 @@ func Test_nocatch_wipe_dummy_buffer()
   call assert_fails('lv½ /x', 'E480')
   au!
 endfunc
+
+function s:Before_test_dirchanged()
+  augroup test_dirchanged
+    autocmd!
+  augroup END
+  let s:li = []
+  let s:dir_this = getcwd()
+  let s:dir_other = s:dir_this . '/foo'
+  call mkdir(s:dir_other)
+endfunc
+
+function s:After_test_dirchanged()
+  exe 'cd' s:dir_this
+  call delete(s:dir_other, 'd')
+  augroup test_dirchanged
+    autocmd!
+  augroup END
+endfunc
+
+function Test_dirchanged_global()
+  call s:Before_test_dirchanged()
+  autocmd test_dirchanged DirChanged global call add(s:li, "cd:")
+  autocmd test_dirchanged DirChanged global call add(s:li, expand("<afile>"))
+  exe 'cd' s:dir_other
+  call assert_equal(["cd:", s:dir_other], s:li)
+  exe 'lcd' s:dir_other
+  call assert_equal(["cd:", s:dir_other], s:li)
+  call s:After_test_dirchanged()
+endfunc
+
+function Test_dirchanged_local()
+  call s:Before_test_dirchanged()
+  autocmd test_dirchanged DirChanged window call add(s:li, "lcd:")
+  autocmd test_dirchanged DirChanged window call add(s:li, expand("<afile>"))
+  exe 'cd' s:dir_other
+  call assert_equal([], s:li)
+  exe 'lcd' s:dir_other
+  call assert_equal(["lcd:", s:dir_other], s:li)
+  call s:After_test_dirchanged()
+endfunc
+
+function Test_dirchanged_auto()
+  call s:Before_test_dirchanged()
+  call test_autochdir()
+  autocmd test_dirchanged DirChanged auto call add(s:li, "auto:")
+  autocmd test_dirchanged DirChanged auto call add(s:li, expand("<afile>"))
+  set acd
+  exe 'cd ..'
+  call assert_equal([], s:li)
+  exe 'edit ' . s:dir_other . '/Xfile'
+  call assert_equal(s:dir_other, getcwd())
+  call assert_equal(["auto:", s:dir_other], s:li)
+  set noacd
+  bwipe!
+  call s:After_test_dirchanged()
+endfunc
-- 
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