chore: import upstream snapshot with attribution

tests/python/tvmscript/test_tvmscript_parser_ir.py

@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ruff: noqa: F401
+"""Unittests for tvm.script.parser.ir"""
+
+import inspect
+
+import pytest
+
+import tvm.testing
+from tvm.ir import IRModule
+from tvm.script.parser import ir_module
+
+
+def test_ir_base():
+    @ir_module
+    class BlankIRModule:
+        pass
+
+    assert isinstance(BlankIRModule, IRModule) and len(BlankIRModule.functions.items()) == 0
+    assert BlankIRModule.__name__ == "BlankIRModule"
+
+
+if __name__ == "__main__":
+    tvm.testing.main()