add kikimr_configure

1 files changed, 30 insertions, 0 deletions

diff --git a/contrib/python/pyrsistent/py3/tests/regression_test.py b/contrib/python/pyrsistent/py3/tests/regression_test.py
new file mode 100644
index 0000000000..f8c1133834
--- /dev/null
+++ b/contrib/python/pyrsistent/py3/tests/regression_test.py
@@ -0,0 +1,30 @@
+from pyrsistent import pmap
+import random
+
+import gc
+
+
+def test_segfault_issue_52():
+    threshold = None
+    if hasattr(gc, 'get_threshold'):
+        # PyPy is lacking these functions
+        threshold = gc.get_threshold()
+        gc.set_threshold(1, 1, 1)  # fail fast
+
+    v = [pmap()]
+
+    def step():
+        depth = random.randint(1, 10)
+        path = random.sample(range(100000), depth)
+        v[0] = v[0].transform(path, "foo")
+
+    for i in range(1000):  # usually crashes after 10-20 steps
+        while True:
+            try:
+                step()
+                break
+            except AttributeError:  # evolver on string
+                continue
+
+    if threshold:
+        gc.set_threshold(*threshold)