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/map.h"
16
17 #include <memory>
18
19 #include "absl/functional/any_invocable.h"
20 #include "gtest/gtest.h"
21
22 #include "src/core/lib/promise/promise.h"
23
24 namespace grpc_core {
25
TEST(MapTest,Works)26 TEST(MapTest, Works) {
27 Promise<int> x = Map([]() { return 42; }, [](int i) { return i / 2; });
28 EXPECT_EQ(x(), Poll<int>(21));
29 }
30
TEST(MapTest,JustElem)31 TEST(MapTest, JustElem) {
32 std::tuple<int, double> t(1, 3.2);
33 EXPECT_EQ(JustElem<1>()(t), 3.2);
34 EXPECT_EQ(JustElem<0>()(t), 1);
35 }
36
37 } // namespace grpc_core
38
main(int argc,char ** argv)39 int main(int argc, char** argv) {
40 ::testing::InitGoogleTest(&argc, argv);
41 return RUN_ALL_TESTS();
42 }
43