reconstruct_leaks

diff --git a/test/test_pyeclib_api.py b/test/test_pyeclib_api.py
index 7d1cccb..30a9fe9 100644
--- a/test/test_pyeclib_api.py
+++ b/test/test_pyeclib_api.py
@@ -730,6 +730,27 @@ class TestPyECLibDriver(unittest.TestCase):
                          'Memory usage is increased unexpectedly %s -> %s' %
                          (baseline_usage, new_usage))
 
+    def test_reconstruct_memory_usage_liberasurecode_rs_vand(self):
+        # 1. Prepare the expected memory allocation
+        ec_driver = ECDriver(ec_type='liberasurecode_rs_vand', k=10, m=4)
+        encoded = ec_driver.encode(b'aaa')
+        loop_range = range(1000000)
+        recon = ec_driver.reconstruct(encoded[-10:], [0])
+        self.assertEqual(recon[0], encoded[0])
+
+        # 2. Get current memory usage
+        baseline_usage = resource.getrusage(resource.RUSAGE_SELF)[2]
+
+        # 3. Loop to call get_metadata
+        for x in loop_range:
+            ec_driver.reconstruct(encoded[:10], [13])
+
+        # 4. memory usage shouldn't increase
+        new_usage = resource.getrusage(resource.RUSAGE_SELF)[2]
+        self.assertEqual(baseline_usage, new_usage,
+                         'Memory usage is increased unexpectedly %s -> %s' %
+                         (baseline_usage, new_usage))
+
 
 class TestBackendsEnabled(unittest.TestCase):
     '''Based on TestPyECLibDriver.test_valid_algo above, but these tests



======================================================================
FAIL: test_reconstruct_memory_usage_liberasurecode_rs_vand (test.test_pyeclib_api.TestPyECLibDriver)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/tsuyuzaki/git_repos/pyeclib/test/test_pyeclib_api.py", line 752, in test_reconstruct_memory_usage_liberasurecode_rs_vand
    (baseline_usage, new_usage))
AssertionError: Memory usage is increased unexpectedly 55036 -> 101764
-------------------- >> begin captured logging << --------------------
pyeclib: WARNING: DEPRECATED WARNING: your liberasurecode 1.0.9 will be deprecated in the near future because of the issue https://bugs.launchpad.net/swift/+bug/1639691; Please upgrade to >=1.3.1 and rebuild pyeclib to suppress this message
--------------------- >> end captured logging << ---------------------

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Please ignore deprecated warning caused from my hookey.