| // Copyright 2022 The Pigweed 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 |
| // |
| // https://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 "pw_bluetooth/result.h" |
| |
| #include "gtest/gtest.h" |
| |
| namespace pw::bluetooth { |
| namespace { |
| |
| enum class TestError { kFailure0, kFailure1 }; |
| |
| TEST(ResultTest, NoValue) { |
| EXPECT_TRUE(Result<TestError>().ok()); |
| |
| Result<TestError> error_result(TestError::kFailure0); |
| ASSERT_FALSE(error_result.ok()); |
| EXPECT_EQ(error_result.error(), TestError::kFailure0); |
| } |
| |
| TEST(ResultTest, Value) { |
| Result<TestError, int> ok_result(42); |
| ASSERT_TRUE(ok_result.ok()); |
| EXPECT_EQ(ok_result.value(), 42); |
| |
| Result<TestError, int> error_result(TestError::kFailure1); |
| ASSERT_FALSE(error_result.ok()); |
| EXPECT_EQ(error_result.error(), TestError::kFailure1); |
| } |
| |
| struct NonTrivialDestructor { |
| explicit NonTrivialDestructor(int* destructor_counter) |
| : destructor_counter_(destructor_counter) {} |
| ~NonTrivialDestructor() { |
| EXPECT_NE(nullptr, destructor_counter_); |
| (*destructor_counter_)++; |
| } |
| NonTrivialDestructor(const NonTrivialDestructor&) = delete; |
| NonTrivialDestructor(NonTrivialDestructor&&) = delete; |
| |
| int* destructor_counter_; |
| }; |
| |
| TEST(ResultTest, NonTrivialDestructorTest) { |
| int counter = 0; |
| { |
| Result<TestError, NonTrivialDestructor> ret(std::in_place, &counter); |
| ASSERT_TRUE(ret.ok()); |
| } |
| EXPECT_EQ(counter, 1); |
| { |
| Result<TestError, NonTrivialDestructor> ret(TestError::kFailure0); |
| ASSERT_FALSE(ret.ok()); |
| } |
| EXPECT_EQ(counter, 1); |
| } |
| |
| } // namespace |
| } // namespace pw::bluetooth |