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feat: add tests for #842

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Add some tests for setting NULL to deallocated pointers
releated to #842 and #833
This commit is contained in:
Alanscut 2024-05-09 10:45:16 +08:00 committed by Alan Wang
parent 542fb0eadd
commit 5b502cdbfb
2 changed files with 19 additions and 0 deletions
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1
tests/CMakeLists.txt
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@ -62,6 +62,7 @@ if(ENABLE_CJSON_TEST)
option(ENABLE_VALGRIND OFF "Enable the valgrind memory checker for the tests.") option(ENABLE_VALGRIND OFF "Enable the valgrind memory checker for the tests.")
if (ENABLE_VALGRIND) if (ENABLE_VALGRIND)
add_compile_definitions(ENABLE_VALGRIND)
find_program(MEMORYCHECK_COMMAND valgrind) find_program(MEMORYCHECK_COMMAND valgrind)
if ("${MEMORYCHECK_COMMAND}" MATCHES "MEMORYCHECK_COMMAND-NOTFOUND") if ("${MEMORYCHECK_COMMAND}" MATCHES "MEMORYCHECK_COMMAND-NOTFOUND")
message(WARNING "Valgrind couldn't be found.") message(WARNING "Valgrind couldn't be found.")

18
tests/misc_tests.c
View File

@ -732,6 +732,23 @@ static void cjson_set_bool_value_must_not_break_objects(void)
cJSON_Delete(sobj); cJSON_Delete(sobj);
} }
static void deallocated_pointers_should_be_set_to_null(void)
{
/* deallocated pointers should be set to null */
/* however, valgrind on linux reports when attempting to access a freed memory, we have to skip it */
#ifndef ENABLE_VALGRIND
cJSON *string = cJSON_CreateString("item");
cJSON *root = cJSON_CreateObject();
cJSON_Delete(string);
free(string->valuestring);
cJSON_AddObjectToObject(root, "object");
cJSON_Delete(root->child);
free(root->child->string);
#endif
}
int CJSON_CDECL main(void) int CJSON_CDECL main(void)
{ {
UNITY_BEGIN(); UNITY_BEGIN();
@ -762,6 +779,7 @@ int CJSON_CDECL main(void)
RUN_TEST(cjson_delete_item_from_array_should_not_broken_list_structure); RUN_TEST(cjson_delete_item_from_array_should_not_broken_list_structure);
RUN_TEST(cjson_set_valuestring_to_object_should_not_leak_memory); RUN_TEST(cjson_set_valuestring_to_object_should_not_leak_memory);
RUN_TEST(cjson_set_bool_value_must_not_break_objects); RUN_TEST(cjson_set_bool_value_must_not_break_objects);
RUN_TEST(deallocated_pointers_should_be_set_to_null);
return UNITY_END(); return UNITY_END();
} }