chore: import upstream snapshot with attribution

test/cpp/fluid/platform/profiler/test_extra_info.cc

@@ -0,0 +1,31 @@
+// Copyright (c) 2022 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.
+
+#include "gtest/gtest.h"
+#include "paddle/phi/core/platform/profiler/extra_info.h"
+
+using paddle::platform::ExtraInfo;
+
+TEST(ExtraInfoTest, case0) {
+  ExtraInfo instance;
+  instance.AddExtraInfo(std::string("info1"), std::string("%d"), 20);
+  instance.AddExtraInfo(std::string("info2"), std::string("%s"), "helloworld");
+  std::unordered_map<std::string, std::string> map = instance.GetExtraInfo();
+  EXPECT_EQ(map["info1"], "20");
+  EXPECT_EQ(map["info2"], "helloworld");
+  EXPECT_EQ(map.size(), 2u);
+  instance.Clear();
+  map = instance.GetExtraInfo();
+  EXPECT_EQ(map.size(), 0u);
+}