From 7005678771faa896242842465a9bd23adad06282 Mon Sep 17 00:00:00 2001
From: Kaushik Kulkarni <kaushikcfd@gmail.com>
Date: Tue, 22 Jun 2021 08:58:41 -0500
Subject: [PATCH] adds test for internal utils testing

---
 test/test_utils.py | 53 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 test/test_utils.py

diff --git a/test/test_utils.py b/test/test_utils.py
new file mode 100644
index 0000000..63cadc7
--- /dev/null
+++ b/test/test_utils.py
@@ -0,0 +1,53 @@
+"""Testing for internal  utilities."""
+
+
+__copyright__ = "Copyright (C) 2021 University of Illinois Board of Trustees"
+
+__license__ = """
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+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 OR COPYRIGHT HOLDERS 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.
+"""
+
+from arraycontext import (  # noqa: F401
+        pytest_generate_tests_for_array_contexts
+        as pytest_generate_tests,
+        _acf)
+
+import logging
+logger = logging.getLogger(__name__)
+
+
+def test_pt_actx_key_stringification_uniqueness():
+    from arraycontext.impl.pytato.compile import _ary_container_key_stringifier
+
+    assert (_ary_container_key_stringifier(((3, 2), 3))
+            != _ary_container_key_stringifier((3, (2, 3))))
+
+    assert (_ary_container_key_stringifier(("tup", 3, "endtup"))
+            != _ary_container_key_stringifier(((3,),)))
+
+
+if __name__ == "__main__":
+    import sys
+    if len(sys.argv) > 1:
+        exec(sys.argv[1])
+    else:
+        from pytest import main
+        main([__file__])
+
+# vim: fdm=marker
-- 
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