xref: /aosp_15_r20/external/grpc-grpc/test/core/promise/race_test.cc (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
1 // Copyright 2021 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/promise/race.h"
16 
17 #include <memory>
18 
19 #include "gtest/gtest.h"
20 
21 #include "src/core/lib/promise/poll.h"
22 
23 namespace grpc_core {
24 
instant()25 Poll<int> instant() { return 1; }
never()26 Poll<int> never() { return Pending(); }
27 
TEST(RaceTest,Race1)28 TEST(RaceTest, Race1) { EXPECT_EQ(Race(instant)(), Poll<int>(1)); }
TEST(RaceTest,Race2A)29 TEST(RaceTest, Race2A) { EXPECT_EQ(Race(instant, never)(), Poll<int>(1)); }
TEST(RaceTest,Race2B)30 TEST(RaceTest, Race2B) { EXPECT_EQ(Race(never, instant)(), Poll<int>(1)); }
31 
32 }  // namespace grpc_core
33 
main(int argc,char ** argv)34 int main(int argc, char** argv) {
35   ::testing::InitGoogleTest(&argc, argv);
36   return RUN_ALL_TESTS();
37 }
38