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comparison: tests/util_allocator.h

tests/util_allocator.h

changeset 770
ed710122af44
parent 653
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769:b53e0e003d7e 770:ed710122af44
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 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 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE. 26 * POSSIBILITY OF SUCH DAMAGE.
27 */ 27 */
28 28
29 #ifndef UCX_UTIL_ALLOCATOR_H 29 #ifndef UCX_TEST_UTIL_ALLOCATOR_H
30 #define UCX_UTIL_ALLOCATOR_H 30 #define UCX_TEST_UTIL_ALLOCATOR_H
31 31
32 #include "cx/allocator.h" 32 #include "cx/allocator.h"
33 33
34 #include <set> 34 #ifdef __cplusplus
35 #extern "C" {
36 #endif
35 37
36 struct CxTestingAllocator : public CxAllocator { 38 typedef struct CxTestingAllocator {
39 CxAllocator base;
37 /** 40 /**
38 * Total number of all allocations (malloc, calloc, realloc). 41 * Total number of all allocations (malloc, calloc, realloc).
39 * A realloc() does only count when the memory has to be moved. 42 * A realloc() does only count when the memory has to be moved.
40 */ 43 */
41 unsigned alloc_total = 0; 44 unsigned alloc_total;
42 /** 45 /**
43 * Number of failed allocations (malloc, calloc, realloc). 46 * Number of failed allocations (malloc, calloc, realloc).
44 */ 47 */
45 unsigned alloc_failed = 0; 48 unsigned alloc_failed;
46 /** 49 /**
47 * Total number of freed pointers. 50 * Total number of freed pointers.
48 * A reallocation also counts as a free when the memory has to be moved. 51 * A reallocation also counts as a free when the memory has to be moved.
49 */ 52 */
50 unsigned free_total = 0; 53 unsigned free_total;
51 /** 54 /**
52 * Number of failed free invocations. 55 * Number of failed free invocations.
53 * A free() is considered failed, if it has not been performed on tracked memory. 56 * A free() is considered failed, if it has not been performed on tracked memory.
54 */ 57 */
55 unsigned free_failed = 0; 58 unsigned free_failed;
59 /**
60 * The number of currently tracked memory blocks.
61 */
62 size_t tracked_count;
63 /**
64 * The capaciyty of the \c tracked array.
65 */
66 size_t tracked_capacity;
56 /** 67 /**
57 * The set of tracked memory blocks. 68 * The set of tracked memory blocks.
58 */ 69 */
59 std::set<void *> tracked; 70 void **tracked;
71 } CxTestingAllocator;
60 72
61 /**
62 * Constructs a new testing allocator.
63 */
64 CxTestingAllocator();
65 73
66 /** 74 /**
67 * Verifies that this allocator has been used. 75 * Initializes a new testing allocator.
68 * 76 */
69 * @return true if any allocation was attempted using this allocator 77 void cx_testing_allocator_init(CxTestingAllocator *alloc);
70 */
71 [[nodiscard]] bool used() const;
72 78
73 /** 79 /**
74 * Verifies that all allocated memory blocks are freed and no free occurred twice. 80 * Destroys a testing allocator.
75 * 81 */
76 * @return true iff all tracked allocations / deallocations were valid 82 void cx_testing_allocator_destroy(CxTestingAllocator *alloc);
77 */
78 [[nodiscard]] bool verify() const;
79 };
80 83
81 #endif // UCX_UTIL_ALLOCATOR_H 84 /**
85 * Verifies that this allocator has been used.
86 *
87 * @return true if any allocation was attempted using this allocator
88 */
89 bool cx_testing_allocator_used(CxTestingAllocator const *alloc);
90
91 /**
92 * Verifies that all allocated memory blocks are freed and no free occurred twice.
93 *
94 * @return true iff all tracked allocations / deallocations were valid
95 */
96 bool cx_testing_allocator_verify(CxTestingAllocator const *alloc);
97
98 #ifdef __cplusplus
99 } // extern "C"
100 #endif
101
102 #endif // UCX_TEST_UTIL_ALLOCATOR_H

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