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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 | // // Tests for // template <typename T, typename U, typename P1, typename P2> // bool operator<(bounded_ptr<T, P1> const& a, bounded_ptr<U, P2> const& b); // // template <typename T, typename U, typename P1, typename P2> // bool operator<=(bounded_ptr<T, P1> const& a, bounded_ptr<U, P2> const& b); // // template <typename T, typename U, typename P1, typename P2> // bool operator>(bounded_ptr<T, P1> const& a, bounded_ptr<U, P2> const& b); // // template <typename T, typename U, typename P1, typename P2> // bool operator>=(bounded_ptr<T, P1> const& a, bounded_ptr<U, P2> const& b); // #include <libkern/c++/bounded_ptr.h> #include <array> #include <darwintest.h> #include <darwintest_utils.h> #include "test_utils.h" #define _assert(...) T_ASSERT_TRUE((__VA_ARGS__), # __VA_ARGS__) struct dummy_policy1 { static constexpr void trap(char const*) { } }; struct dummy_policy2 { static constexpr void trap(char const*) { } }; template <typename T, typename U> static void check_lt(T t, U u) { _assert(t < u); _assert(t <= u); _assert(!(t >= u)); _assert(!(t > u)); _assert(!(u < t)); _assert(!(u <= t)); _assert(u > t); _assert(u >= t); } template <typename T, typename U> static void check_eq(T t, U u) { _assert(!(t < u)); _assert(t <= u); _assert(t >= u); _assert(!(t > u)); _assert(!(u < t)); _assert(u <= t); _assert(!(u > t)); _assert(u >= t); } template <typename T, typename TQual> static void tests() { std::array<T, 5> array = {T{0}, T{1}, T{2}, T{3}, T{4}}; // Pointers with the same bounds { test_bounded_ptr<TQual> const a(array.begin(), array.begin(), array.end()); test_bounded_ptr<TQual> const b(array.begin(), array.begin(), array.end()); check_eq(a, b); } { test_bounded_ptr<TQual> const a(array.begin(), array.begin(), array.end()); test_bounded_ptr<TQual> const b(array.begin() + 1, array.begin(), array.end()); check_lt(a, b); } { test_bounded_ptr<TQual> const a(array.begin(), array.begin(), array.end()); test_bounded_ptr<TQual> const b(array.begin() + 2, array.begin(), array.end()); check_lt(a, b); } { test_bounded_ptr<TQual> const a(array.begin(), array.begin(), array.end()); test_bounded_ptr<TQual> const b(array.end(), array.begin(), array.end()); check_lt(a, b); } { test_bounded_ptr<TQual> const a(array.end(), array.begin(), array.end()); test_bounded_ptr<TQual> const b(array.end(), array.begin(), array.end()); check_eq(a, b); } // Compare null pointers { test_bounded_ptr<TQual> const a; test_bounded_ptr<TQual> const b(array.begin(), array.begin(), array.end()); check_lt(a, b); } { test_bounded_ptr<TQual> const a; test_bounded_ptr<TQual> const b; check_eq(a, b); } // Pointers with different bounds { // Overlapping bounds, equal test_bounded_ptr<TQual> const a(array.begin(), array.begin() + 2, array.end()); test_bounded_ptr<TQual> const b(array.begin(), array.begin(), array.end()); check_eq(a, b); } { // Overlapping bounds, not equal test_bounded_ptr<TQual> const a(array.begin(), array.begin() + 2, array.end()); test_bounded_ptr<TQual> const b(array.begin() + 2, array.begin(), array.end()); check_lt(a, b); } { // Non-overlapping bounds, equal test_bounded_ptr<TQual> const a(array.begin(), array.begin(), array.begin() + 1); test_bounded_ptr<TQual> const b(array.begin(), array.begin() + 2, array.end()); check_eq(a, b); } { // Non-overlapping bounds, not equal test_bounded_ptr<TQual> const a(array.begin(), array.begin(), array.begin() + 1); test_bounded_ptr<TQual> const b(array.begin() + 3, array.begin() + 2, array.end()); check_lt(a, b); } // Test with different policies { libkern::bounded_ptr<TQual, dummy_policy1> const a(array.begin(), array.begin(), array.end()); libkern::bounded_ptr<TQual, dummy_policy2> const b(array.begin(), array.begin(), array.end()); check_eq(a, b); } } struct Base { int i; }; struct Derived : Base { }; template <typename Related> static void tests_convert() { std::array<Derived, 5> array = {Derived{0}, Derived{1}, Derived{2}, Derived{3}, Derived{4}}; test_bounded_ptr<Derived> const a(array.begin(), array.begin(), array.end() - 1); test_bounded_ptr<Related> const b(array.begin(), array.begin(), array.end() - 1); check_eq(a, b); } T_DECL(compare_order, "bounded_ptr.compare.order") { tests<Derived, Derived>(); tests<Derived, Derived const>(); tests<Derived, Derived volatile>(); tests<Derived, Derived const volatile>(); tests_convert<Base>(); tests_convert<Base const>(); tests_convert<Base volatile>(); tests_convert<Base const volatile>(); } |