| // 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/if.h" |
| |
| #include <utility> |
| |
| #include "gtest/gtest.h" |
| |
| namespace grpc_core { |
| |
| TEST(IfTest, ChooseTrue) { |
| EXPECT_EQ(If([]() { return true; }, []() { return 1; }, []() { return 2; })(), |
| Poll<int>(1)); |
| } |
| |
| TEST(IfTest, ChooseFalse) { |
| EXPECT_EQ( |
| If([]() { return false; }, []() { return 1; }, []() { return 2; })(), |
| Poll<int>(2)); |
| } |
| |
| TEST(IfTest, ChooseSuccesfulTrue) { |
| EXPECT_EQ(If([]() { return absl::StatusOr<bool>(true); }, |
| []() { return absl::StatusOr<int>(1); }, |
| []() { return absl::StatusOr<int>(2); })(), |
| Poll<absl::StatusOr<int>>(absl::StatusOr<int>(1))); |
| } |
| |
| TEST(IfTest, ChooseSuccesfulFalse) { |
| EXPECT_EQ(If([]() { return absl::StatusOr<bool>(false); }, |
| []() { return absl::StatusOr<int>(1); }, |
| []() { return absl::StatusOr<int>(2); })(), |
| Poll<absl::StatusOr<int>>(absl::StatusOr<int>(2))); |
| } |
| |
| TEST(IfTest, ChooseFailure) { |
| EXPECT_EQ(If([]() { return absl::StatusOr<bool>(); }, |
| []() { return absl::StatusOr<int>(1); }, |
| []() { return absl::StatusOr<int>(2); })(), |
| Poll<absl::StatusOr<int>>(absl::StatusOr<int>())); |
| } |
| |
| TEST(IfTest, ImmediateChooseTrue) { |
| EXPECT_EQ(If( |
| true, []() { return 1; }, []() { return 2; })(), |
| Poll<int>(1)); |
| } |
| |
| TEST(IfTest, ImmediateChooseFalse) { |
| EXPECT_EQ(If( |
| false, []() { return 1; }, []() { return 2; })(), |
| Poll<int>(2)); |
| } |
| |
| } // namespace grpc_core |
| |
| int main(int argc, char** argv) { |
| ::testing::InitGoogleTest(&argc, argv); |
| return RUN_ALL_TESTS(); |
| } |