1 // Copyright 2021 gRPC authors.
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
7 // http://www.apache.org/licenses/LICENSE-2.0
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.
15 #include "src/core/lib/promise/latch.h"
17 #include <gmock/gmock.h>
18 #include <gtest/gtest.h>
20 #include "src/core/lib/promise/join.h"
21 #include "src/core/lib/promise/seq.h"
23 using testing::MockFunction;
24 using testing::StrictMock;
28 TEST(LatchTest, Works) {
30 StrictMock<MockFunction<void(absl::Status)>> on_done;
31 EXPECT_CALL(on_done, Call(absl::OkStatus()));
34 return Seq(Join(latch.Wait(),
39 [](std::tuple<int*, bool> result) {
40 EXPECT_EQ(*std::get<0>(result), 42);
41 return absl::OkStatus();
44 NoCallbackScheduler(),
45 [&on_done](absl::Status status) { on_done.Call(std::move(status)); });
48 } // namespace grpc_core
50 int main(int argc, char** argv) {
51 ::testing::InitGoogleTest(&argc, argv);
52 return RUN_ALL_TESTS();