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Add tests for zero-initialization functions

This commit is contained in:
Frank Richter 2021-12-19 19:45:39 +01:00
parent 51271ba8ea
commit 969f3a6998
2 changed files with 181 additions and 1 deletions
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2
CMakeLists.txt
View File

@ -375,7 +375,7 @@ endif()
if (MI_BUILD_TESTS)
enable_testing()
foreach(TEST_NAME api stress)
foreach(TEST_NAME api api-fill stress)
add_executable(mimalloc-test-${TEST_NAME} test/test-${TEST_NAME}.c)
target_compile_definitions(mimalloc-test-${TEST_NAME} PRIVATE ${mi_defines})
target_compile_options(mimalloc-test-${TEST_NAME} PRIVATE ${mi_cflags})

180
test/test-api-fill.c Normal file
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@ -0,0 +1,180 @@
/* ----------------------------------------------------------------------------
Copyright (c) 2018-2020, Microsoft Research, Daan Leijen
This is free software; you can redistribute it and/or modify it under the
terms of the MIT license. A copy of the license can be found in the file
"LICENSE" at the root of this distribution.
-----------------------------------------------------------------------------*/
#include "mimalloc.h"
#include "mimalloc-types.h"
#include "testhelper.h"
// ---------------------------------------------------------------------------
// Helper functions
// ---------------------------------------------------------------------------
bool check_zero_init(uint8_t* p, size_t size);
// ---------------------------------------------------------------------------
// Main testing
// ---------------------------------------------------------------------------
int main(void) {
mi_option_disable(mi_option_verbose);
// ---------------------------------------------------
// Zeroing allocation
// ---------------------------------------------------
CHECK_BODY("zeroinit-zalloc-small", {
size_t zalloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_zalloc(zalloc_size);
result = check_zero_init(p, zalloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-zalloc-large", {
size_t zalloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_zalloc(zalloc_size);
result = check_zero_init(p, zalloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-zalloc_small", {
size_t zalloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_zalloc_small(zalloc_size);
result = check_zero_init(p, zalloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-calloc-small", {
size_t calloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_calloc(calloc_size, 1);
result = check_zero_init(p, calloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-calloc-large", {
size_t calloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_calloc(calloc_size, 1);
result = check_zero_init(p, calloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-rezalloc-small", {
size_t zalloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_zalloc(zalloc_size);
result = check_zero_init(p, zalloc_size);
zalloc_size *= 3;
p = (uint8_t*)mi_rezalloc(p, zalloc_size);
result &= check_zero_init(p, zalloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-rezalloc-large", {
size_t zalloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_zalloc(zalloc_size);
result = check_zero_init(p, zalloc_size);
zalloc_size *= 3;
p = (uint8_t*)mi_rezalloc(p, zalloc_size);
result &= check_zero_init(p, zalloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-recalloc-small", {
size_t calloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_calloc(calloc_size, 1);
result = check_zero_init(p, calloc_size);
calloc_size *= 3;
p = (uint8_t*)mi_recalloc(p, calloc_size, 1);
result &= check_zero_init(p, calloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-recalloc-large", {
size_t calloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_calloc(calloc_size, 1);
result = check_zero_init(p, calloc_size);
calloc_size *= 3;
p = (uint8_t*)mi_recalloc(p, calloc_size, 1);
result &= check_zero_init(p, calloc_size);
mi_free(p);
});
// ---------------------------------------------------
// Zeroing in aligned API
// ---------------------------------------------------
CHECK_BODY("zeroinit-zalloc_aligned-small", {
size_t zalloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_zalloc_aligned(zalloc_size, MI_MAX_ALIGN_SIZE * 2);
result = check_zero_init(p, zalloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-zalloc_aligned-large", {
size_t zalloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_zalloc_aligned(zalloc_size, MI_MAX_ALIGN_SIZE * 2);
result = check_zero_init(p, zalloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-calloc_aligned-small", {
size_t calloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_calloc_aligned(calloc_size, 1, MI_MAX_ALIGN_SIZE * 2);
result = check_zero_init(p, calloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-calloc_aligned-large", {
size_t calloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_calloc_aligned(calloc_size, 1, MI_MAX_ALIGN_SIZE * 2);
result = check_zero_init(p, calloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-rezalloc_aligned-small", {
size_t zalloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_zalloc_aligned(zalloc_size, MI_MAX_ALIGN_SIZE * 2);
result = check_zero_init(p, zalloc_size);
zalloc_size *= 3;
p = (uint8_t*)mi_rezalloc_aligned(p, zalloc_size, MI_MAX_ALIGN_SIZE * 2);
result &= check_zero_init(p, zalloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-rezalloc_aligned-large", {
size_t zalloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_zalloc_aligned(zalloc_size, MI_MAX_ALIGN_SIZE * 2);
result = check_zero_init(p, zalloc_size);
zalloc_size *= 3;
p = (uint8_t*)mi_rezalloc_aligned(p, zalloc_size, MI_MAX_ALIGN_SIZE * 2);
result &= check_zero_init(p, zalloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-recalloc_aligned-small", {
size_t calloc_size = MI_SMALL_SIZE_MAX / 2;
uint8_t* p = (uint8_t*)mi_calloc_aligned(calloc_size, 1, MI_MAX_ALIGN_SIZE * 2);
result = check_zero_init(p, calloc_size);
calloc_size *= 3;
p = (uint8_t*)mi_recalloc_aligned(p, calloc_size, 1, MI_MAX_ALIGN_SIZE * 2);
result &= check_zero_init(p, calloc_size);
mi_free(p);
});
CHECK_BODY("zeroinit-recalloc_aligned-large", {
size_t calloc_size = MI_SMALL_SIZE_MAX * 2;
uint8_t* p = (uint8_t*)mi_calloc_aligned(calloc_size, 1, MI_MAX_ALIGN_SIZE * 2);
result = check_zero_init(p, calloc_size);
calloc_size *= 3;
p = (uint8_t*)mi_recalloc_aligned(p, calloc_size, 1, MI_MAX_ALIGN_SIZE * 2);
result &= check_zero_init(p, calloc_size);
mi_free(p);
});
// ---------------------------------------------------
// Done
// ---------------------------------------------------[]
return print_test_summary();
}
// ---------------------------------------------------------------------------
// Helper functions
// ---------------------------------------------------------------------------
bool check_zero_init(uint8_t* p, size_t size) {
if(!p)
return false;
bool result = true;
for (size_t i = 0; i < size; ++i) {
result &= p[i] == 0;
}
return result;
}