| // Copyright 2021 gRPC authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/core/lib/promise/loop.h" |
| |
| #include "gtest/gtest.h" |
| |
| #include "src/core/lib/promise/detail/basic_seq.h" |
| #include "src/core/lib/promise/seq.h" |
| |
| namespace grpc_core { |
| |
| TEST(LoopTest, CountToFive) { |
| int i = 0; |
| Loop([&i]() -> LoopCtl<int> { |
| i++; |
| if (i < 5) return Continue(); |
| return i; |
| })(); |
| EXPECT_EQ(i, 5); |
| } |
| |
| TEST(LoopTest, FactoryCountToFive) { |
| int i = 0; |
| Loop([&i]() { |
| return [&i]() -> LoopCtl<int> { |
| i++; |
| if (i < 5) return Continue(); |
| return i; |
| }; |
| })(); |
| EXPECT_EQ(i, 5); |
| } |
| |
| TEST(LoopTest, LoopOfSeq) { |
| auto x = |
| Loop(Seq([]() { return 42; }, [](int i) -> LoopCtl<int> { return i; }))(); |
| EXPECT_EQ(x, Poll<int>(42)); |
| } |
| |
| } // namespace grpc_core |
| |
| int main(int argc, char** argv) { |
| ::testing::InitGoogleTest(&argc, argv); |
| return RUN_ALL_TESTS(); |
| } |