| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // <memory> |
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| 10 | |
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| 11 | // template <ObjectType T> T* addressof(T& r); |
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| 12 | |
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| 13 | #include <memory> |
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| 14 | #include <cassert> |
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| 15 | |
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| 16 | #include "test_macros.h" |
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| 17 | |
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| 18 | struct A |
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| 19 | { |
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| 20 | void operator&() const {} |
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| 21 | }; |
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| 22 | |
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| 23 | struct nothing { |
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| 24 | operator char&() |
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| 25 | { |
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| 26 | static char c; |
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| 27 | return c; |
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| 28 | } |
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| 29 | }; |
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| 30 | |
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| 31 | int main(int, char**) |
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| 32 | { |
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| 33 | { |
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| 34 | int i; |
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| 35 | double d; |
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| 36 | assert(std::addressof(i) == &i); |
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| 37 | assert(std::addressof(d) == &d); |
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| 38 | A* tp = new A; |
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| 39 | const A* ctp = tp; |
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| 40 | assert(std::addressof(*tp) == tp); |
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| 41 | assert(std::addressof(*ctp) == tp); |
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| 42 | delete tp; |
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| 43 | } |
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| 44 | { |
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| 45 | union |
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| 46 | { |
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| 47 | nothing n; |
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| 48 | int i; |
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| 49 | }; |
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| 50 | assert(std::addressof(n) == (void*)std::addressof(i)); |
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| 51 | } |
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| 52 | |
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| 53 | return 0; |
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| 54 | } |
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| 55 | |
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