chore: import upstream snapshot with attribution

test/cpp/pir/tools/test_trait.h

@@ -0,0 +1,38 @@
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed 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.
+#pragma once
+#include <gtest/gtest.h>
+#include <sstream>
+
+#include "paddle/pir/include/core/op_base.h"
+#include "test/cpp/pir/tools/macros_utils.h"
+
+namespace test {
+
+class ReadOnlyTrait : public pir::OpTraitBase<ReadOnlyTrait> {
+ public:
+  explicit ReadOnlyTrait(const pir::Operation *op)
+      : pir::OpTraitBase<ReadOnlyTrait>(op) {}
+};
+
+class OneRegionTrait : public pir::OpTraitBase<OneRegionTrait> {
+ public:
+  explicit OneRegionTrait(const pir::Operation *op)
+      : pir::OpTraitBase<OneRegionTrait>(op) {}
+  static void Verify(pir::Operation *op);
+};
+
+}  // namespace test
+IR_DECLARE_EXPLICIT_TEST_TYPE_ID(test::ReadOnlyTrait)
+IR_DECLARE_EXPLICIT_TEST_TYPE_ID(test::OneRegionTrait)