1 // Copyright 2022 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/cancel_callback.h"
16
17 #include <memory>
18 #include <utility>
19
20 #include "gtest/gtest.h"
21 #include "src/core/lib/promise/poll.h"
22
23 namespace grpc_core {
24
TEST(CancelCallback,DoesntCallCancelIfCompleted)25 TEST(CancelCallback, DoesntCallCancelIfCompleted) {
26 auto x = OnCancel([]() { return 42; },
27 []() { FAIL() << "Should never reach here"; });
28 EXPECT_EQ(x(), Poll<int>(42));
29 }
30
TEST(CancelCallback,CallsCancelIfNotCompleted)31 TEST(CancelCallback, CallsCancelIfNotCompleted) {
32 bool called = false;
33 {
34 auto x = OnCancel([]() { return 42; }, [&called]() { called = true; });
35 EXPECT_EQ(called, false);
36 }
37 EXPECT_EQ(called, true);
38 }
39
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