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feat: add tests for #842
Add some tests for setting NULL to deallocated pointers releated to #842 and #833
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@ -62,6 +62,7 @@ if(ENABLE_CJSON_TEST)
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option(ENABLE_VALGRIND OFF "Enable the valgrind memory checker for the tests.")
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if (ENABLE_VALGRIND)
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add_compile_definitions(ENABLE_VALGRIND)
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find_program(MEMORYCHECK_COMMAND valgrind)
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if ("${MEMORYCHECK_COMMAND}" MATCHES "MEMORYCHECK_COMMAND-NOTFOUND")
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message(WARNING "Valgrind couldn't be found.")
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@ -732,6 +732,23 @@ static void cjson_set_bool_value_must_not_break_objects(void)
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cJSON_Delete(sobj);
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}
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static void deallocated_pointers_should_be_set_to_null(void)
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{
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/* deallocated pointers should be set to null */
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/* however, valgrind on linux reports when attempting to access a freed memory, we have to skip it */
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#ifndef ENABLE_VALGRIND
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cJSON *string = cJSON_CreateString("item");
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cJSON *root = cJSON_CreateObject();
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cJSON_Delete(string);
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free(string->valuestring);
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cJSON_AddObjectToObject(root, "object");
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cJSON_Delete(root->child);
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free(root->child->string);
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#endif
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}
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int CJSON_CDECL main(void)
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{
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UNITY_BEGIN();
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@ -762,6 +779,7 @@ int CJSON_CDECL main(void)
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RUN_TEST(cjson_delete_item_from_array_should_not_broken_list_structure);
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RUN_TEST(cjson_set_valuestring_to_object_should_not_leak_memory);
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RUN_TEST(cjson_set_bool_value_must_not_break_objects);
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RUN_TEST(deallocated_pointers_should_be_set_to_null);
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return UNITY_END();
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}
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