Patrick Williams | 4690d88 | 2020-10-08 11:09:58 -0500 | [diff] [blame] | 1 | #include <sdbusplus/utility/dedup_variant.hpp> |
Paul Fertser | 5770f51 | 2022-01-10 11:05:41 +0000 | [diff] [blame] | 2 | #include <sdbusplus/utility/merge_variants.hpp> |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 3 | #include <sdbusplus/utility/type_traits.hpp> |
Patrick Williams | 127b8ab | 2020-05-21 15:24:19 -0500 | [diff] [blame] | 4 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 5 | #include <type_traits> |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 6 | |
Krzysztof Grobelny | 09b88f2 | 2020-09-02 14:49:01 +0200 | [diff] [blame] | 7 | #include <gmock/gmock.h> |
Patrick Venture | 95269db | 2018-08-31 09:19:17 -0700 | [diff] [blame] | 8 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 9 | namespace |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 10 | { |
Patrick Williams | 0c841a1 | 2016-07-20 12:34:24 -0500 | [diff] [blame] | 11 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 12 | using sdbusplus::utility::array_to_ptr_t; |
Patrick Williams | 64f0122 | 2021-07-14 10:14:51 -0500 | [diff] [blame] | 13 | using std::is_same_v; |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 14 | |
| 15 | TEST(TypeTraits, Basic) |
| 16 | { |
Patrick Williams | 64f0122 | 2021-07-14 10:14:51 -0500 | [diff] [blame] | 17 | static_assert(is_same_v<char, array_to_ptr_t<char, char>>, |
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 | |
Patrick Williams | 64f0122 | 2021-07-14 10:14:51 -0500 | [diff] [blame] | 20 | static_assert(is_same_v<char*, array_to_ptr_t<char, char*>>, |
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 | |
Patrick Williams | 64f0122 | 2021-07-14 10:14:51 -0500 | [diff] [blame] | 23 | static_assert(is_same_v<char*, array_to_ptr_t<char, char[100]>>, |
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 | |
Patrick Williams | 64f0122 | 2021-07-14 10:14:51 -0500 | [diff] [blame] | 26 | static_assert(is_same_v<char[100], array_to_ptr_t<int, char[100]>>, |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 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 | |
Patrick Williams | f289c65 | 2022-08-26 10:43:10 -0500 | [diff] [blame] | 43 | void find(std::tuple_element_t<0, value_type>) {} |
Krzysztof Grobelny | 09b88f2 | 2020-09-02 14:49:01 +0200 | [diff] [blame] | 44 | }; |
| 45 | |
| 46 | struct Bar |
| 47 | {}; |
| 48 | |
| 49 | ASSERT_THAT(has_member_find_v<Foo>, Eq(true)); |
| 50 | ASSERT_THAT(has_member_find_v<Foo&>, Eq(true)); |
| 51 | ASSERT_THAT(has_member_find_v<const Foo&>, Eq(true)); |
| 52 | |
| 53 | ASSERT_THAT(has_member_find_v<Bar>, Eq(false)); |
| 54 | } |
| 55 | |
| 56 | TEST(TypeTraits, HasMemberContains) |
| 57 | { |
| 58 | using sdbusplus::utility::has_member_contains_v; |
| 59 | using namespace testing; |
| 60 | |
| 61 | // std::map has member_contains from c++20 |
Patrick Williams | 2e98861 | 2021-04-14 14:49:25 -0500 | [diff] [blame] | 62 | ASSERT_THAT((has_member_contains_v<std::map<std::string, int>>), Eq(true)); |
Krzysztof Grobelny | 09b88f2 | 2020-09-02 14:49:01 +0200 | [diff] [blame] | 63 | ASSERT_THAT( |
| 64 | (has_member_contains_v<std::vector<std::pair<std::string, int>>>), |
| 65 | Eq(false)); |
| 66 | |
| 67 | struct Foo |
| 68 | { |
| 69 | using value_type = std::pair<int, int>; |
| 70 | |
Patrick Williams | f289c65 | 2022-08-26 10:43:10 -0500 | [diff] [blame] | 71 | void contains(std::tuple_element_t<0, value_type>) {} |
Krzysztof Grobelny | 09b88f2 | 2020-09-02 14:49:01 +0200 | [diff] [blame] | 72 | }; |
| 73 | |
| 74 | struct Bar |
| 75 | {}; |
| 76 | |
| 77 | ASSERT_THAT(has_member_contains_v<Foo>, Eq(true)); |
| 78 | ASSERT_THAT(has_member_contains_v<Foo&>, Eq(true)); |
| 79 | ASSERT_THAT(has_member_contains_v<const Foo&>, Eq(true)); |
| 80 | |
| 81 | ASSERT_THAT(has_member_contains_v<Bar>, Eq(false)); |
| 82 | } |
| 83 | |
Krzysztof Grobelny | c8447d5 | 2022-01-05 13:21:37 +0100 | [diff] [blame] | 84 | TEST(TypeTraits, IsOptional) |
| 85 | { |
| 86 | using sdbusplus::utility::is_optional; |
| 87 | using sdbusplus::utility::is_optional_v; |
| 88 | |
| 89 | ASSERT_TRUE(is_optional<std::optional<int>>::value); |
| 90 | ASSERT_TRUE(is_optional<std::optional<int>&>::value); |
| 91 | ASSERT_FALSE(is_optional<int>::value); |
| 92 | |
| 93 | ASSERT_TRUE(is_optional_v<std::optional<int>>); |
| 94 | ASSERT_TRUE(is_optional_v<std::optional<int>&>); |
| 95 | ASSERT_FALSE(is_optional_v<int>); |
| 96 | } |
| 97 | |
Patrick Williams | 4690d88 | 2020-10-08 11:09:58 -0500 | [diff] [blame] | 98 | // Tests for dedup_variant. |
| 99 | static_assert(std::is_same_v<std::variant<size_t>, |
Patrick Williams | 34cf693 | 2021-07-14 09:46:31 -0500 | [diff] [blame] | 100 | sdbusplus::utility::dedup_variant_t<size_t>>); |
| 101 | static_assert( |
| 102 | std::is_same_v<std::variant<char, size_t>, |
| 103 | sdbusplus::utility::dedup_variant_t<char, size_t>>); |
Patrick Williams | 4690d88 | 2020-10-08 11:09:58 -0500 | [diff] [blame] | 104 | static_assert(std::is_same_v< |
| 105 | std::variant<uint32_t, uint64_t>, |
Patrick Williams | 34cf693 | 2021-07-14 09:46:31 -0500 | [diff] [blame] | 106 | sdbusplus::utility::dedup_variant_t<uint32_t, uint64_t, size_t>>); |
Patrick Williams | 4690d88 | 2020-10-08 11:09:58 -0500 | [diff] [blame] | 107 | |
Paul Fertser | 5770f51 | 2022-01-10 11:05:41 +0000 | [diff] [blame] | 108 | // Tests for merge_variants. |
| 109 | static_assert( |
| 110 | std::is_same_v<std::variant<size_t>, |
| 111 | sdbusplus::utility::merge_variants_t<std::variant<size_t>>>); |
| 112 | static_assert(std::is_same_v<std::variant<char, uint32_t, uint64_t>, |
| 113 | sdbusplus::utility::merge_variants_t< |
| 114 | std::variant<char, uint32_t>, |
| 115 | std::variant<uint32_t, uint64_t, size_t>>>); |
| 116 | |
William A. Kennington III | 977d4d4 | 2018-06-23 00:33:08 -0700 | [diff] [blame] | 117 | } // namespace |