diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index f98c723..7207de5 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -192,6 +192,18 @@
             posix.utime(test_support.TESTFN, (int(now), int(now)))
             posix.utime(test_support.TESTFN, (now, now))
 
+    def test_chflags(self):
+        if hasattr(posix, 'chflags'):
+            st = os.stat(test_support.TESTFN)
+            if hasattr(st, 'st_flags'):
+                posix.chflags(test_support.TESTFN, st.st_flags)
+
+    def test_lchflags(self):
+        if hasattr(posix, 'lchflags'):
+            st = os.stat(test_support.TESTFN)
+            if hasattr(st, 'st_flags'):
+                posix.lchflags(test_support.TESTFN, st.st_flags)
+
 def test_main():
     test_support.run_unittest(PosixTester)