xref: /freebsd/contrib/libcbor/test/test_allocator.h (revision 5d3e7166f6a0187fa3f8831b16a06bd9955c21ff)
1*5d3e7166SEd Maste #ifndef TEST_ALLOCATOR_H_
2*5d3e7166SEd Maste #define TEST_ALLOCATOR_H_
3*5d3e7166SEd Maste 
4*5d3e7166SEd Maste #include "assertions.h"
5*5d3e7166SEd Maste #include "cbor.h"
6*5d3e7166SEd Maste 
7*5d3e7166SEd Maste // Harness for mocking `malloc` and `realloc`
8*5d3e7166SEd Maste 
9*5d3e7166SEd Maste typedef enum call_expectation {
10*5d3e7166SEd Maste   MALLOC,
11*5d3e7166SEd Maste   MALLOC_FAIL,
12*5d3e7166SEd Maste   REALLOC,
13*5d3e7166SEd Maste   REALLOC_FAIL
14*5d3e7166SEd Maste } call_expectation;
15*5d3e7166SEd Maste 
16*5d3e7166SEd Maste void set_mock_malloc(int calls, ...);
17*5d3e7166SEd Maste 
18*5d3e7166SEd Maste void finalize_mock_malloc(void);
19*5d3e7166SEd Maste 
20*5d3e7166SEd Maste void *instrumented_malloc(size_t size);
21*5d3e7166SEd Maste 
22*5d3e7166SEd Maste void *instrumented_realloc(void *ptr, size_t size);
23*5d3e7166SEd Maste 
24*5d3e7166SEd Maste #define WITH_MOCK_MALLOC(block, malloc_calls, ...)                    \
25*5d3e7166SEd Maste   do {                                                                \
26*5d3e7166SEd Maste     cbor_set_allocs(instrumented_malloc, instrumented_realloc, free); \
27*5d3e7166SEd Maste     set_mock_malloc(malloc_calls, __VA_ARGS__);                       \
28*5d3e7166SEd Maste     block;                                                            \
29*5d3e7166SEd Maste     finalize_mock_malloc();                                           \
30*5d3e7166SEd Maste     cbor_set_allocs(malloc, realloc, free);                           \
31*5d3e7166SEd Maste   } while (0)
32*5d3e7166SEd Maste 
33*5d3e7166SEd Maste #define WITH_FAILING_MALLOC(block) WITH_MOCK_MALLOC(block, 1, MALLOC_FAIL)
34*5d3e7166SEd Maste 
35*5d3e7166SEd Maste #endif  // TEST_ALLOCATOR_H_
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