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Add tests for debug mode "uninit fill" behaviour

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Frank Richter 2021-12-19 21:56:52 +01:00
parent 2ed9c9bdd2
commit 5622af438b
1 changed files with 126 additions and 0 deletions
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126
test/test-api.c
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@ -35,6 +35,7 @@ we therefore test the API over various inputs. Please add more tests :-)
#include "mimalloc.h"
// #include "mimalloc-internal.h"
#include "mimalloc-types.h" // for MI_DEBUG
// ---------------------------------------------------------------------------
// Test macros: CHECK(name,predicate) and CHECK_BODY(name,body)
@ -76,6 +77,9 @@ bool test_stl_allocator2(void);
// Helper functions
// ---------------------------------------------------------------------------
bool check_zero_init(uint8_t* p, size_t size);
#if MI_DEBUG >= 2
bool check_debug_fill_uninit(uint8_t* p, size_t size);
#endif
// ---------------------------------------------------------------------------
// Main testing
@ -242,6 +246,115 @@ int main(void) {
});
#if MI_DEBUG >= 2
// ---------------------------------------------------
// Debug filling
// ---------------------------------------------------
CHECK_BODY("malloc-uninit-small", {
size_t malloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_malloc(malloc_size);
result = check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("malloc-uninit-large", {
size_t malloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_malloc(malloc_size);
result = check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("malloc_small-uninit-small", {
size_t malloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_malloc_small(malloc_size);
result = check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("realloc-small", {
size_t malloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_malloc(malloc_size);
result = check_debug_fill_uninit(p, malloc_size);
malloc_size *= 3;
p = (uint8_t*)mi_realloc(p, malloc_size);
result &= check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("realloc-large", {
size_t malloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_malloc(malloc_size);
result = check_debug_fill_uninit(p, malloc_size);
malloc_size *= 3;
p = (uint8_t*)mi_realloc(p, malloc_size);
result &= check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("mallocn-uninit-small", {
size_t malloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_mallocn(malloc_size, 1);
result = check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("mallocn-uninit-large", {
size_t malloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_mallocn(malloc_size, 1);
result = check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("reallocn-small", {
size_t malloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_mallocn(malloc_size, 1);
result = check_debug_fill_uninit(p, malloc_size);
malloc_size *= 3;
p = (uint8_t*)mi_reallocn(p, malloc_size, 1);
result &= check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("reallocn-large", {
size_t malloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_mallocn(malloc_size, 1);
result = check_debug_fill_uninit(p, malloc_size);
malloc_size *= 3;
p = (uint8_t*)mi_reallocn(p, malloc_size, 1);
result &= check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("malloc_aligned-small", {
size_t malloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_malloc_aligned(malloc_size, MI_MAX_ALIGN_SIZE * 2);
result = check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("malloc_aligned-large", {
size_t malloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_malloc_aligned(malloc_size, MI_MAX_ALIGN_SIZE * 2);
result = check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("realloc_aligned-small", {
size_t malloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_malloc_aligned(malloc_size, MI_MAX_ALIGN_SIZE * 2);
result = check_debug_fill_uninit(p, malloc_size);
malloc_size *= 3;
p = (uint8_t*)mi_realloc_aligned(p, malloc_size, MI_MAX_ALIGN_SIZE * 2);
result &= check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
CHECK_BODY("realloc_aligned-large", {
size_t malloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_malloc_aligned(malloc_size, MI_MAX_ALIGN_SIZE * 2);
result = check_debug_fill_uninit(p, malloc_size);
malloc_size *= 3;
p = (uint8_t*)mi_realloc_aligned(p, malloc_size, MI_MAX_ALIGN_SIZE * 2);
result &= check_debug_fill_uninit(p, malloc_size);
mi_free(p);
});
#endif
// ---------------------------------------------------
// Extended
// ---------------------------------------------------
@ -429,3 +542,16 @@ bool check_zero_init(uint8_t* p, size_t size) {
}
return result;
}
#if MI_DEBUG >= 2
bool check_debug_fill_uninit(uint8_t* p, size_t size) {
if(!p)
return false;
bool result = true;
for (size_t i = 0; i < size; ++i) {
result &= p[i] == MI_DEBUG_UNINIT;
}
return result;
}
#endif