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diff --git a/test/suite/test_inmem02.py b/test/suite/test_inmem02.py
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+#!/usr/bin/env python
+#
+# Public Domain 2014-2016 MongoDB, Inc.
+# Public Domain 2008-2014 WiredTiger, Inc.
+#
+# This is free and unencumbered software released into the public domain.
+#
+# Anyone is free to copy, modify, publish, use, compile, sell, or
+# distribute this software, either in source code form or as a compiled
+# binary, for any purpose, commercial or non-commercial, and by any
+# means.
+#
+# In jurisdictions that recognize copyright laws, the author or authors
+# of this software dedicate any and all copyright interest in the
+# software to the public domain. We make this dedication for the benefit
+# of the public at large and to the detriment of our heirs and
+# successors. We intend this dedication to be an overt act of
+# relinquishment in perpetuity of all present and future rights to this
+# software under copyright law.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+
+import wiredtiger, wttest
+from time import sleep
+from helper import simple_populate, simple_populate_check
+from helper import key_populate, value_populate
+from wtscenario import make_scenarios
+
+# test_inmem02.py
+#    Test in-memory with ignore-cache-size setting.
+class test_inmem02(wttest.WiredTigerTestCase):
+    uri = 'table:inmem02'
+    conn_config = \
+        'cache_size=3MB,file_manager=(close_idle_time=0),in_memory=true'
+    table_config = 'key_format=S,value_format=S,memory_page_max=32k,leaf_page_max=4k'
+
+    # Add more data than fits into the configured cache and verify it fails.
+    def test_insert_over_allowed(self):
+
+        # Create a new table that is allowed to exceed the cache size, do this
+        # before filling the cache so that the create succeeds
+        self.session.create(
+            self.uri + '_over', 'ignore_in_memory_cache_size=true')
+
+        # Populate a table with enough data to fill the cache.
+        msg = '/WT_CACHE_FULL.*/'
+        self.assertRaisesHavingMessage(wiredtiger.WiredTigerError,
+            lambda:simple_populate(
+            self, self.uri, self.table_config, 10000000), msg)
+
+        # Add some content to the new table
+        cursor = self.session.open_cursor(self.uri + '_over', None)
+        for i in range(1, 1000):
+            cursor[str('%015d' % i)] = str(i) + ': abcdefghijklmnopqrstuvwxyz'
+        cursor.close()
+
+if __name__ == '__main__':
+    wttest.run()