1 files changed, 32 insertions, 0 deletions
diff --git a/Lib/test/test_wait3.py b/Lib/test/test_wait3.py
new file mode 100644
index 0000000000..f6a41a698c
--- /dev/null
+++ b/Lib/test/test_wait3.py
@@ -0,0 +1,32 @@
+"""This test checks for correct wait3() behavior.
+"""
+
+import os
+from test.fork_wait import ForkWait
+from test.test_support import TestSkipped, run_unittest
+
+try:
+    os.fork
+except AttributeError:
+    raise TestSkipped, "os.fork not defined -- skipping test_wait3"
+
+try:
+    os.wait3
+except AttributeError:
+    raise TestSkipped, "os.wait3 not defined -- skipping test_wait3"
+
+class Wait3Test(ForkWait):
+    def wait_impl(self, cpid):
+        while 1:
+            spid, status, rusage = os.wait3(0)
+            if spid == cpid:
+                break
+        self.assertEqual(spid, cpid)
+        self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
+        self.assertTrue(rusage)
+
+def test_main():
+    run_unittest(Wait3Test)
+
+if __name__ == "__main__":
+    test_main()