Krzysztof Grobelny | f7ea299 | 2022-01-27 11:04:58 +0100 | [diff] [blame] | 1 | #include "utils/ensure.hpp" |
| 2 | |
| 3 | #include <gmock/gmock.h> |
| 4 | |
| 5 | using namespace testing; |
| 6 | |
| 7 | class TestEnsure : public Test |
| 8 | { |
| 9 | public: |
| 10 | utils::Ensure<std::function<void()>> makeEnsure() |
| 11 | { |
| 12 | return [this] { ++executed; }; |
| 13 | } |
| 14 | |
| 15 | utils::Ensure<std::function<void()>> sut; |
| 16 | size_t executed = 0u; |
| 17 | }; |
| 18 | |
| 19 | TEST_F(TestEnsure, executesCallbackOnceWhenDestroyed) |
| 20 | { |
| 21 | sut = makeEnsure(); |
| 22 | sut = nullptr; |
| 23 | |
| 24 | EXPECT_THAT(executed, Eq(1u)); |
| 25 | } |
| 26 | |
| 27 | TEST_F(TestEnsure, executesCallbackOnceWhenMoved) |
| 28 | { |
| 29 | sut = makeEnsure(); |
| 30 | auto copy = std::move(sut); |
| 31 | copy = nullptr; |
| 32 | |
| 33 | EXPECT_THAT(executed, Eq(1u)); |
| 34 | } |
| 35 | |
| 36 | TEST_F(TestEnsure, executesCallbackTwiceWhenReplaced) |
| 37 | { |
| 38 | sut = makeEnsure(); |
| 39 | sut = makeEnsure(); |
| 40 | sut = nullptr; |
| 41 | |
| 42 | EXPECT_THAT(executed, Eq(2u)); |
| 43 | } |
| 44 | |
| 45 | TEST_F(TestEnsure, executesCallbackTwiceWhenNewCallbackAssigned) |
| 46 | { |
| 47 | sut = makeEnsure(); |
| 48 | sut = [this] { executed += 10; }; |
| 49 | sut = nullptr; |
| 50 | |
| 51 | EXPECT_THAT(executed, Eq(11u)); |
| 52 | } |