1 // Copyright 2024 gRPC authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "src/core/lib/gprpp/down_cast.h"
16
17 #include "gtest/gtest.h"
18
19 namespace grpc_core {
20 namespace {
21
22 class Base {
23 public:
24 virtual ~Base() = default;
25 };
26
27 class Derived : public Base {
28 public:
29 int i = 3;
30 };
31
TEST(DownCastTest,DownCast)32 TEST(DownCastTest, DownCast) {
33 Derived d;
34 Base* b = &d;
35 EXPECT_EQ(DownCast<Derived*>(b)->i, 3);
36 EXPECT_EQ(DownCast<Derived&>(*b).i, 3);
37 }
38
39 } // namespace
40 } // namespace grpc_core
41
main(int argc,char ** argv)42 int main(int argc, char** argv) {
43 ::testing::InitGoogleTest(&argc, argv);
44 return RUN_ALL_TESTS();
45 }
46