comparison: tests/util_allocator.h
tests/util_allocator.h
- changeset 654
- c9d008861178
- parent 653
- e081643aae2a
- child 770
- ed710122af44
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| 647:2e6e9d9f2159 | 654:c9d008861178 |
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| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #ifndef UCX_UTIL_ALLOCATOR_H | |
| 30 #define UCX_UTIL_ALLOCATOR_H | |
| 31 | |
| 32 #include "cx/allocator.h" | |
| 33 | |
| 34 #include <set> | |
| 35 | |
| 36 struct CxTestingAllocator : public CxAllocator { | |
| 37 /** | |
| 38 * Total number of all allocations (malloc, calloc, realloc). | |
| 39 * A realloc() does only count when the memory has to be moved. | |
| 40 */ | |
| 41 unsigned alloc_total = 0; | |
| 42 /** | |
| 43 * Number of failed allocations (malloc, calloc, realloc). | |
| 44 */ | |
| 45 unsigned alloc_failed = 0; | |
| 46 /** | |
| 47 * Total number of freed pointers. | |
| 48 * A reallocation also counts as a free when the memory has to be moved. | |
| 49 */ | |
| 50 unsigned free_total = 0; | |
| 51 /** | |
| 52 * Number of failed free invocations. | |
| 53 * A free() is considered failed, if it has not been performed on tracked memory. | |
| 54 */ | |
| 55 unsigned free_failed = 0; | |
| 56 /** | |
| 57 * The set of tracked memory blocks. | |
| 58 */ | |
| 59 std::set<void *> tracked; | |
| 60 | |
| 61 /** | |
| 62 * Constructs a new testing allocator. | |
| 63 */ | |
| 64 CxTestingAllocator(); | |
| 65 | |
| 66 /** | |
| 67 * Verifies that this allocator has been used. | |
| 68 * | |
| 69 * @return true if any allocation was attempted using this allocator | |
| 70 */ | |
| 71 [[nodiscard]] bool used() const; | |
| 72 | |
| 73 /** | |
| 74 * Verifies that all allocated memory blocks are freed and no free occurred twice. | |
| 75 * | |
| 76 * @return true iff all tracked allocations / deallocations were valid | |
| 77 */ | |
| 78 [[nodiscard]] bool verify() const; | |
| 79 }; | |
| 80 | |
| 81 #endif // UCX_UTIL_ALLOCATOR_H |
