| 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 | // void* operator new(std::size_t); |
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| 10 | |
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| 11 | // asan and msan will not call the new handler. |
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| 12 | // UNSUPPORTED: sanitizer-new-delete |
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| 13 | |
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| 14 | // GCC warns about allocating numeric_limits<size_t>::max() being too large (which we test here) |
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| 15 | // ADDITIONAL_COMPILE_FLAGS(gcc): -Wno-alloc-size-larger-than |
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| 16 | |
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| 17 | #include <new> |
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| 18 | #include <cstddef> |
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| 19 | #include <cassert> |
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| 20 | #include <limits> |
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| 21 | |
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| 22 | #include "test_macros.h" |
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| 23 | #include "../types.h" |
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| 24 | |
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| 25 | int new_handler_called = 0; |
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| 26 | |
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| 27 | void my_new_handler() { |
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| 28 | ++new_handler_called; |
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| 29 | std::set_new_handler(nullptr); |
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| 30 | } |
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| 31 | |
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| 32 | int main(int, char**) { |
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| 33 | // Test that we can call the function directly |
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| 34 | { |
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| 35 | void* x = operator new(10); |
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| 36 | assert(x != nullptr); |
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| 37 | operator delete(x); |
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| 38 | } |
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| 39 | |
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| 40 | // Test that the new handler is called if allocation fails |
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| 41 | { |
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| 42 | #ifndef TEST_HAS_NO_EXCEPTIONS |
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| 43 | std::set_new_handler(my_new_handler); |
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| 44 | try { |
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| 45 | void* x = operator new(std::numeric_limits<std::size_t>::max()); |
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| 46 | (void)x; |
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| 47 | assert(false); |
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| 48 | } catch (std::bad_alloc const&) { |
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| 49 | assert(new_handler_called == 1); |
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| 50 | } catch (...) { |
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| 51 | assert(false); |
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| 52 | } |
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| 53 | #endif |
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| 54 | } |
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| 55 | |
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| 56 | // Test that a new expression constructs the right object |
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| 57 | // and a delete expression deletes it |
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| 58 | { |
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| 59 | LifetimeInformation info; |
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| 60 | TrackLifetime* x = new TrackLifetime(info); |
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| 61 | assert(x != nullptr); |
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| 62 | assert(info.address_constructed == x); |
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| 63 | |
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| 64 | delete x; |
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| 65 | assert(info.address_destroyed == x); |
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| 66 | } |
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| 67 | |
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| 68 | return 0; |
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| 69 | } |
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| 70 | |
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