diff --git a/Lib/test/test_multiprocessing.py b/Lib/test/test_multiprocessing.py
--- a/Lib/test/test_multiprocessing.py
+++ b/Lib/test/test_multiprocessing.py
@@ -18,6 +18,7 @@
 import random
 import logging
 import test.support
+import struct
 
 
 # Skip tests if _multiprocessing wasn't built.
@@ -1448,6 +1449,11 @@
 conn.close()
 
 def test_connection(self):
+ def pack_list(fmt, lst):
+ """Pack values of lst into a bytearray, using fmt."""
+ n = len(lst)
+ return bytearray(struct.pack(fmt * n, *lst))
+
 conn, child_conn = self.Pipe()
 
 p = self.Process(target=self._echo, args=(child_conn,))
@@ -1457,7 +1463,12 @@
 seq = [1, 2.25, None]
 msg = latin('hello world')
 longmsg = msg * 10
- arr = array.array('i', list(range(4)))
+
+ fmt = 'i'
+ nitems = 4
+ arrlst = list(range(nitems))
+ arr = pack_list(fmt, arrlst)
+ itemsize = struct.calcsize(fmt)
 
 if self.TYPE == 'processes':
 self.assertEqual(type(conn.fileno()), int)
@@ -1469,19 +1480,20 @@
 self.assertEqual(conn.recv_bytes(), msg)
 
 if self.TYPE == 'processes':
- buffer = array.array('i', [0]*10)
- expected = list(arr) + [0] * (10 - len(arr))
+ nzeros = 10
+ buffer = pack_list(fmt, [0]*nzeros)
+ expected = arrlst + [0] * (nzeros - nitems)
 self.assertEqual(conn.send_bytes(arr), None)
- self.assertEqual(conn.recv_bytes_into(buffer),
- len(arr) * buffer.itemsize)
- self.assertEqual(list(buffer), expected)
-
- buffer = array.array('i', [0]*10)
- expected = [0] * 3 + list(arr) + [0] * (10 - 3 - len(arr))
+ self.assertEqual(conn.recv_bytes_into(buffer), len(arr))
+ result = struct.unpack(fmt*nzeros, buffer)
+ self.assertEqual(list(result), expected)
+
+ buffer = pack_list(fmt, [0]*nzeros)
+ expected = [0] * 3 + arrlst + [0] * (nzeros - 3 - nitems)
 self.assertEqual(conn.send_bytes(arr), None)
- self.assertEqual(conn.recv_bytes_into(buffer, 3 * buffer.itemsize),
- len(arr) * buffer.itemsize)
- self.assertEqual(list(buffer), expected)
+ self.assertEqual(conn.recv_bytes_into(buffer, 3 * itemsize), len(arr))
+ result = struct.unpack(fmt*nzeros, buffer)
+ self.assertEqual(list(result), expected)
 
 buffer = bytearray(latin(' ' * 40))
 self.assertEqual(conn.send_bytes(longmsg), None)
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