From: Justin Pryzby <pryzbyj@telsasoft.com>
Date: Tue, 17 Mar 2020 13:16:24 -0500
Subject: [PATCH v32 02/11] Add tests on pg_ls_dir before changing it

---
 src/test/regress/expected/misc_functions.out | 24 ++++++++++++++++++++
 src/test/regress/sql/misc_functions.sql      |  8 +++++++
 2 files changed, 32 insertions(+)

diff --git a/src/test/regress/expected/misc_functions.out b/src/test/regress/expected/misc_functions.out
index 1013d17f87d..830de507e7c 100644
--- a/src/test/regress/expected/misc_functions.out
+++ b/src/test/regress/expected/misc_functions.out
@@ -243,6 +243,30 @@ select count(*) > 0 from
  t
 (1 row)
 
+select * from (select pg_ls_dir('.', false, true) as name) as ls where ls.name='.'; -- include_dot_dirs=true
+ name 
+------
+ .
+(1 row)
+
+select * from (select pg_ls_dir('.', false, false) as name) as ls where ls.name='.'; -- include_dot_dirs=false
+ name 
+------
+(0 rows)
+
+select pg_ls_dir('does not exist', true, false); -- ok with missingok=true
+ pg_ls_dir 
+-----------
+(0 rows)
+
+select pg_ls_dir('does not exist'); -- fails with missingok=false
+ERROR:  could not open directory "does not exist": No such file or directory
+-- Check that expected columns are present
+select * from pg_stat_file('.') limit 0;
+ size | access | modification | change | creation | isdir 
+------+--------+--------------+--------+----------+-------
+(0 rows)
+
 --
 -- Test replication slot directory functions
 --
diff --git a/src/test/regress/sql/misc_functions.sql b/src/test/regress/sql/misc_functions.sql
index 7ab9b2a1509..422a1369aeb 100644
--- a/src/test/regress/sql/misc_functions.sql
+++ b/src/test/regress/sql/misc_functions.sql
@@ -91,6 +91,14 @@ select count(*) > 0 from
    where spcname = 'pg_default') pts
   join pg_database db on pts.pts = db.oid;
 
+select * from (select pg_ls_dir('.', false, true) as name) as ls where ls.name='.'; -- include_dot_dirs=true
+select * from (select pg_ls_dir('.', false, false) as name) as ls where ls.name='.'; -- include_dot_dirs=false
+select pg_ls_dir('does not exist', true, false); -- ok with missingok=true
+select pg_ls_dir('does not exist'); -- fails with missingok=false
+
+-- Check that expected columns are present
+select * from pg_stat_file('.') limit 0;
+
 --
 -- Test replication slot directory functions
 --
-- 
2.17.0


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