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/join.h"
16
17 #include <memory>
18 #include <tuple>
19
20 #include "gmock/gmock.h"
21 #include "gtest/gtest.h"
22 #include "src/core/lib/promise/poll.h"
23 #include "test/core/promise/poll_matcher.h"
24
25 namespace grpc_core {
26
TEST(JoinTest,Join1)27 TEST(JoinTest, Join1) {
28 EXPECT_THAT(Join([] { return 3; })(), IsReady(std::make_tuple(3)));
29 }
30
TEST(JoinTest,Join2)31 TEST(JoinTest, Join2) {
32 EXPECT_THAT(Join([] { return 3; }, [] { return 4; })(),
33 IsReady(std::make_tuple(3, 4)));
34 }
35
TEST(JoinTest,Join3)36 TEST(JoinTest, Join3) {
37 EXPECT_THAT(Join([] { return 3; }, [] { return 4; }, [] { return 5; })(),
38 IsReady(std::make_tuple(3, 4, 5)));
39 }
40
41 } // namespace grpc_core
42
main(int argc,char ** argv)43 int main(int argc, char** argv) {
44 ::testing::InitGoogleTest(&argc, argv);
45 return RUN_ALL_TESTS();
46 }
47