chore: import upstream snapshot with attribution

tests/python/ir/test_roundtrip_runtime_module.py

@@ -0,0 +1,37 @@
+# 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
+"""Test roundtrip of runtime modules"""
+# pylint: disable=missing-docstring
+
+import pytest
+
+import tvm
+import tvm.testing
+
+
+def test_csource_module():
+    mod = tvm.runtime._ffi_api.CSourceModuleCreate("", "cc", [], [])
+    assert mod.kind == "c"
+    assert mod.is_binary_serializable()
+    new_mod = tvm.ir.load_json(tvm.ir.save_json(mod))
+    assert new_mod.kind == "c"
+    assert new_mod.is_binary_serializable()
+
+
+if __name__ == "__main__":
+    tvm.testing.main()