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/*
* Copyright 2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <crm/common/unittest_internal.h>
#include "mock_private.h"
static void
bad_size(void **state)
{
char *ptr = NULL;
pcmk__assert_asserts(pcmk__realloc(ptr, 0));
}
static void
realloc_fails(void **state)
{
char *ptr = NULL;
pcmk__assert_aborts(
{
pcmk__mock_realloc = true; // realloc() will return NULL
expect_any(__wrap_realloc, ptr);
expect_value(__wrap_realloc, size, 1000);
pcmk__realloc(ptr, 1000);
pcmk__mock_realloc = false; // Use real realloc()
}
);
}
static void
realloc_succeeds(void **state)
{
char *ptr = NULL;
/* We can't really test that the resulting pointer is the size we asked
* for - it might be larger if that's what the memory allocator decides
* to do. And anyway, testing realloc isn't really the point. All we
* want to do here is make sure the function works when given good input.
*/
/* Allocate new memory */
ptr = pcmk__realloc(ptr, 1000);
assert_non_null(ptr);
/* Grow previously allocated memory */
ptr = pcmk__realloc(ptr, 2000);
assert_non_null(ptr);
/* Shrink previously allocated memory */
ptr = pcmk__realloc(ptr, 500);
assert_non_null(ptr);
free(ptr);
}
PCMK__UNIT_TEST(NULL, NULL,
cmocka_unit_test(bad_size),
cmocka_unit_test(realloc_fails),
cmocka_unit_test(realloc_succeeds))
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