From 4db1f75834602aa1215b58cbad737593c99ccdc2 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sun, 5 Nov 2017 10:23:57 -0800
Subject: Add timeout to pathological_tests.py.

Tests must complete in 8 seconds or are errors.
---
 test/pathological_tests.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/test/pathological_tests.py b/test/pathological_tests.py
index dd80092..40552de 100644
--- a/test/pathological_tests.py
+++ b/test/pathological_tests.py
@@ -5,6 +5,8 @@ import re
 import argparse
 import sys
 import platform
+import multiprocessing
+import time
 from cmark import CMark
 
 if __name__ == "__main__":
@@ -92,7 +94,17 @@ def run_pathological_test(description, results):
 
 print("Testing pathological cases:")
 for description in pathological:
-    run_pathological_test(description, results)
+    p = multiprocessing.Process(target=run_pathological_test,
+              args=(description, results,))
+    p.start()
+    # wait 8 seconds or until it finishes
+    p.join(8)
+    # kill it if still active
+    if p.is_alive():
+        print(description, '[TIMEOUT]')
+        p.terminate()
+        results['errored'] += 1
+        p.join()
 
 print("%d passed, %d failed, %d errored" %
           (results['passed'], results['failed'], results['errored']))
-- 
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