Patrick Williams | 4690d88 | 2020-10-08 11:09:58 -0500 | [diff] [blame] | 1 | #include <sdbusplus/utility/dedup_variant.hpp> |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 2 | #include <sdbusplus/utility/type_traits.hpp> |
Patrick Williams | 127b8ab | 2020-05-21 15:24:19 -0500 | [diff] [blame] | 3 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 4 | #include <type_traits> |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 5 | |
Krzysztof Grobelny | 09b88f2 | 2020-09-02 14:49:01 +0200 | [diff] [blame] | 6 | #include <gmock/gmock.h> |
Patrick Venture | 95269db | 2018-08-31 09:19:17 -0700 | [diff] [blame] | 7 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 8 | namespace |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 9 | { |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 10 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 11 | using sdbusplus::utility::array_to_ptr_t; |
| 12 | using std::is_same; |
| 13 | |
| 14 | TEST(TypeTraits, Basic) |
| 15 | { |
| 16 | |
| 17 | static_assert(is_same<char, array_to_ptr_t<char, char>>::value, |
Andrew Geissler | 072da3e | 2018-01-18 07:21:42 -0800 | [diff] [blame] | 18 | "array_to_ptr_t<char, char> != char"); |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 19 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 20 | static_assert(is_same<char*, array_to_ptr_t<char, char*>>::value, |
Andrew Geissler | 072da3e | 2018-01-18 07:21:42 -0800 | [diff] [blame] | 21 | "array_to_ptr_t<char, char*> != char*"); |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 22 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 23 | static_assert(is_same<char*, array_to_ptr_t<char, char[100]>>::value, |
Andrew Geissler | 072da3e | 2018-01-18 07:21:42 -0800 | [diff] [blame] | 24 | "array_to_ptr_t<char, char[100]> != char*"); |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 25 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 26 | static_assert(is_same<char[100], array_to_ptr_t<int, char[100]>>::value, |
| 27 | "array_to_ptr_t<int, char[100]> != char[100]"); |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 28 | } |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 29 | |
Krzysztof Grobelny | 09b88f2 | 2020-09-02 14:49:01 +0200 | [diff] [blame] | 30 | TEST(TypeTraits, HasMemberFind) |
| 31 | { |
| 32 | using sdbusplus::utility::has_member_find_v; |
| 33 | using namespace testing; |
| 34 | |
| 35 | ASSERT_THAT((has_member_find_v<std::map<std::string, int>>), Eq(true)); |
| 36 | ASSERT_THAT((has_member_find_v<std::vector<std::pair<std::string, int>>>), |
| 37 | Eq(false)); |
| 38 | |
| 39 | struct Foo |
| 40 | { |
| 41 | using value_type = std::pair<int, int>; |
| 42 | |
| 43 | void find(std::tuple_element_t<0, value_type>) |
| 44 | {} |
| 45 | }; |
| 46 | |
| 47 | struct Bar |
| 48 | {}; |
| 49 | |
| 50 | ASSERT_THAT(has_member_find_v<Foo>, Eq(true)); |
| 51 | ASSERT_THAT(has_member_find_v<Foo&>, Eq(true)); |
| 52 | ASSERT_THAT(has_member_find_v<const Foo&>, Eq(true)); |
| 53 | |
| 54 | ASSERT_THAT(has_member_find_v<Bar>, Eq(false)); |
| 55 | } |
| 56 | |
| 57 | TEST(TypeTraits, HasMemberContains) |
| 58 | { |
| 59 | using sdbusplus::utility::has_member_contains_v; |
| 60 | using namespace testing; |
| 61 | |
| 62 | // std::map has member_contains from c++20 |
| 63 | ASSERT_THAT((has_member_contains_v<std::map<std::string, int>>), Eq(false)); |
| 64 | ASSERT_THAT( |
| 65 | (has_member_contains_v<std::vector<std::pair<std::string, int>>>), |
| 66 | Eq(false)); |
| 67 | |
| 68 | struct Foo |
| 69 | { |
| 70 | using value_type = std::pair<int, int>; |
| 71 | |
| 72 | void contains(std::tuple_element_t<0, value_type>) |
| 73 | {} |
| 74 | }; |
| 75 | |
| 76 | struct Bar |
| 77 | {}; |
| 78 | |
| 79 | ASSERT_THAT(has_member_contains_v<Foo>, Eq(true)); |
| 80 | ASSERT_THAT(has_member_contains_v<Foo&>, Eq(true)); |
| 81 | ASSERT_THAT(has_member_contains_v<const Foo&>, Eq(true)); |
| 82 | |
| 83 | ASSERT_THAT(has_member_contains_v<Bar>, Eq(false)); |
| 84 | } |
| 85 | |
Patrick Williams | 4690d88 | 2020-10-08 11:09:58 -0500 | [diff] [blame] | 86 | // Tests for dedup_variant. |
| 87 | static_assert(std::is_same_v<std::variant<size_t>, |
| 88 | sdbusplus::utility::dedup_variant<size_t>>); |
| 89 | static_assert(std::is_same_v<std::variant<char, size_t>, |
| 90 | sdbusplus::utility::dedup_variant<char, size_t>>); |
| 91 | static_assert(std::is_same_v< |
| 92 | std::variant<uint32_t, uint64_t>, |
| 93 | sdbusplus::utility::dedup_variant<uint32_t, uint64_t, size_t>>); |
| 94 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 95 | } // namespace |