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).

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 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()