Fixed `lfs.walk()` bug with root directory.

Prevent dir to walk from becoming an empty string.

1 files changed, 5 insertions, 0 deletions

diff --git a/test/test.lua b/test/test.lua
index 53a7cb24..8a768731 100644
--- a/test/test.lua
+++ b/test/test.lua
@@ -759,6 +759,11 @@ function test_lfs_ext_walk_symlinks()
   os.execute('rm -r ' .. dir)
 end
 
+function test_lfs_ext_walk_root()
+  local filename = lfs.walk('/', nil, 0, true)()
+  assert(not filename:find('lfs_ext.lua:'), 'coroutine error')
+end
+
 function test_lfs_ext_abs_path()
   assert_equal(lfs.abspath('bar', '/foo'), '/foo/bar')
   assert_equal(lfs.abspath('./bar', '/foo'), '/foo/bar')