chore: import upstream snapshot with attribution

test/cpp/utils/exception_test_utils.h

@@ -0,0 +1,54 @@
+// Copyright (c) 2026 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 <exception>
+#include <string>
+#include "gtest/gtest.h"
+
+namespace test {
+namespace utils {
+
+template <typename ExceptionType = std::exception, typename Fn>
+inline void ExpectThrowContains(Fn&& fn,
+                                const std::string& expected_substr,
+                                const std::string& context = "") {
+  try {
+    fn();
+    if (context.empty()) {
+      FAIL() << "Expected exception containing: " << expected_substr;
+    } else {
+      FAIL() << "Expected exception containing: " << expected_substr
+             << ", context: " << context;
+    }
+  } catch (const ExceptionType& e) {
+    if (context.empty()) {
+      EXPECT_NE(std::string(e.what()).find(expected_substr), std::string::npos)
+          << "actual error: " << e.what();
+    } else {
+      EXPECT_NE(std::string(e.what()).find(expected_substr), std::string::npos)
+          << "context: " << context << ", actual error: " << e.what();
+    }
+  } catch (...) {
+    if (context.empty()) {
+      FAIL() << "Expected the specified exception type";
+    } else {
+      FAIL() << "Expected the specified exception type, context: " << context;
+    }
+  }
+}
+
+}  // namespace utils
+}  // namespace test