add gufi_vt dir_match_uid/gid without values test

Author: calccrypto

test/regression/gufi_vt.expected

@@ -575,6 +575,37 @@ prefix/empty_directory
 prefix/leaf_directory
 prefix/unusual#? directory ,
 
+# dir_match_uid/gid without values
+$ (
+    echo ".load gufi_vt"
+    echo "CREATE VIRTUAL TABLE gufi USING gufi_vt("prefix", dir_match_uid=, dir_match_gid=, E="SELECT rpath(sname, sroll, name) AS fullpath, level() AS level FROM vrpentries;", verbose=1);SELECT level, fullpath FROM gufi ORDER BY level ASC, fullpath ASC;"
+) | sqlite3
+Each line is one argv[i]:
+    gufi_query \
+        --print-tlv \
+        -x \
+        --threads \
+        1 \
+        --dir-match-uid \
+        --dir-match-gid \
+        -E \
+        SELECT rpath(sname, sroll, name) AS fullpath, level() AS level FROM vrpentries; \
+        prefix
+0|prefix/.hidden
+0|prefix/1KB
+0|prefix/1MB
+0|prefix/file_symlink
+0|prefix/old_file
+0|prefix/repeat_name
+1|prefix/directory/executable
+1|prefix/directory/readonly
+1|prefix/directory/writable
+1|prefix/leaf_directory/leaf_file1
+1|prefix/leaf_directory/leaf_file2
+1|prefix/unusual#? directory ,/unusual, name?#
+2|prefix/directory/subdirectory/directory_symlink
+2|prefix/directory/subdirectory/repeat_name
+
 # ######################################
 # errors
 # Missing indexroot

test/regression/gufi_vt.sh.in

@@ -265,6 +265,13 @@ query=$(
 )
 query_vt "${query}"
 
+echo "# dir_match_uid/gid without values"
+query=$(
+    echo -n "CREATE VIRTUAL TABLE gufi USING gufi_vt(\"${INDEXROOT}\", dir_match_uid=, dir_match_gid=, E=\"SELECT rpath(sname, sroll, name) AS fullpath, level() AS level FROM vrpentries;\", verbose=1);"
+    echo -n "SELECT level, fullpath FROM gufi ORDER BY level ASC, fullpath ASC;"
+)
+query_vt "${query}"
+
 echo "# ######################################"
 echo "# errors"