Patch #1309579: wait3 and wait4 were added to the posix module by Chad J. Schroeder.
This was a fair amount of rework of the patch. Refactored test_fork1 so it
could be reused by the new tests for wait3/4. Also made them into new style
unittests (derive from unittest.TestCase).
diff --git a/Lib/test/test_wait3.py b/Lib/test/test_wait3.py
new file mode 100644
index 0000000..a1cbd7b
--- /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()