patch 8.1.0144: the :cd command does not have good test coverage
Problem: The :cd command does not have good test coverage.
Solution: Add more tests. (Dominique Pelle, closes #2972)
diff --git a/src/testdir/test_cd.vim b/src/testdir/test_cd.vim
index e573419..c63f006 100644
--- a/src/testdir/test_cd.vim
+++ b/src/testdir/test_cd.vim
@@ -8,6 +8,60 @@
func Test_cd_up_and_down()
let path = getcwd()
cd ..
+ call assert_notequal(path, getcwd())
exe 'cd ' . path
call assert_equal(path, getcwd())
endfunc
+
+func Test_cd_no_arg()
+ if has('unix')
+ " Test that cd without argument goes to $HOME directory on Unix systems.
+ let path = getcwd()
+ cd
+ call assert_equal($HOME, getcwd())
+ call assert_notequal(path, getcwd())
+ exe 'cd ' . path
+ call assert_equal(path, getcwd())
+ else
+ " Test that cd without argument echoes cwd on non-Unix systems.
+ call assert_match(getcwd(), execute('cd'))
+ endif
+endfunc
+
+func Test_cd_minus()
+ " Test the :cd - goes back to the previous directory.
+ let path = getcwd()
+ cd ..
+ let path_dotdot = getcwd()
+ call assert_notequal(path, path_dotdot)
+ cd -
+ call assert_equal(path, getcwd())
+ cd -
+ call assert_equal(path_dotdot, getcwd())
+ cd -
+ call assert_equal(path, getcwd())
+endfunc
+
+func Test_cd_with_cpo_chdir()
+ e Xfoo
+ call setline(1, 'foo')
+ let path = getcwd()
+ set cpo+=.
+
+ " :cd should fail when buffer is modified and 'cpo' contains dot.
+ call assert_fails('cd ..', 'E747:')
+ call assert_equal(path, getcwd())
+
+ " :cd with exclamation mark should succeed.
+ cd! ..
+ call assert_notequal(path, getcwd())
+
+ " :cd should succeed when buffer has been written.
+ w!
+ exe 'cd ' . path
+ call assert_equal(path, getcwd())
+
+ call delete('Xfoo')
+ set cpo&
+ bw!
+endfunc
diff --git a/src/version.c b/src/version.c
index 38c7710..07e34fc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -790,6 +790,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 144,
+/**/
143,
/**/
142,