netbsd: add test for used swap mem

1 files changed, 6 insertions, 0 deletions

diff --git a/psutil/tests/test_bsd.py b/psutil/tests/test_bsd.py
index d8a7c2e8..28245cc5 100755
--- a/psutil/tests/test_bsd.py
+++ b/psutil/tests/test_bsd.py
@@ -350,6 +350,7 @@ class FreeBSDSpecificTestCase(unittest.TestCase):
 # --- OpenBSD
 # =====================================================================
 
+
 @unittest.skipUnless(OPENBSD, "OPENBSD only")
 class OpenBSDSpecificTestCase(unittest.TestCase):
 
@@ -364,6 +365,7 @@ class OpenBSDSpecificTestCase(unittest.TestCase):
 # --- NetBSD
 # =====================================================================
 
+
 @unittest.skipUnless(NETBSD, "NETBSD only")
 class NetBSDSpecificTestCase(unittest.TestCase):
 
@@ -403,6 +405,10 @@ class NetBSDSpecificTestCase(unittest.TestCase):
             psutil.swap_memory().free, self.parse_meminfo("SwapFree:"),
             delta=MEMORY_TOLERANCE)
 
+    def test_swapmem_used(self):
+        smem = psutil.swap_memory()
+        self.assertEqual(smem.used, smem.total - smem.free)
+
     def test_cpu_stats_interrupts(self):
         with open('/proc/stat', 'rb') as f:
             for line in f: