xref: /aosp_15_r20/external/grpc-grpc/test/core/promise/all_ok_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/all_ok.h"
16 
17 #include <functional>
18 #include <memory>
19 #include <utility>
20 
21 #include "absl/utility/utility.h"
22 #include "gtest/gtest.h"
23 
24 namespace grpc_core {
25 
26 using P = std::function<Poll<StatusFlag>()>;
27 
instant_success()28 P instant_success() {
29   return [] { return Success{}; };
30 }
31 
instant_fail()32 P instant_fail() {
33   return [] { return Failure{}; };
34 }
35 
succeeded()36 Poll<StatusFlag> succeeded() { return Poll<StatusFlag>(Success{}); }
37 
failed()38 Poll<StatusFlag> failed() { return Poll<StatusFlag>(Failure{}); }
39 
TEST(AllOkTest,Join2)40 TEST(AllOkTest, Join2) {
41   EXPECT_EQ(AllOk<StatusFlag>(instant_fail(), instant_fail())(), failed());
42   EXPECT_EQ(AllOk<StatusFlag>(instant_fail(), instant_success())(), failed());
43   EXPECT_EQ(AllOk<StatusFlag>(instant_success(), instant_fail())(), failed());
44   EXPECT_EQ(AllOk<StatusFlag>(instant_success(), instant_success())(),
45             succeeded());
46 }
47 
48 }  // namespace grpc_core
49 
main(int argc,char ** argv)50 int main(int argc, char** argv) {
51   ::testing::InitGoogleTest(&argc, argv);
52   return RUN_ALL_TESTS();
53 }
54