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misc_tests: Call all functions with NULL pointers

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This commit is contained in:
Max Bruckner 2017-06-28 14:18:39 +02:00
parent 24ea388dcf
commit bdd5ff7ad6
1 changed files with 87 additions and 0 deletions
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87
tests/misc_tests.c
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@ -324,6 +324,92 @@ static void cjson_replace_item_in_object_should_preserve_name(void)
cJSON_Delete(replacement); cJSON_Delete(replacement);
} }
static void cjson_functions_shouldnt_crash_with_null_pointers(void)
{
char buffer[10];
cJSON *item = cJSON_CreateString("item");
cJSON_InitHooks(NULL);
TEST_ASSERT_NULL(cJSON_Parse(NULL));
TEST_ASSERT_NULL(cJSON_ParseWithOpts(NULL, NULL, true));
TEST_ASSERT_NULL(cJSON_Print(NULL));
TEST_ASSERT_NULL(cJSON_PrintUnformatted(NULL));
TEST_ASSERT_NULL(cJSON_PrintBuffered(NULL, 10, true));
TEST_ASSERT_FALSE(cJSON_PrintPreallocated(NULL, buffer, sizeof(buffer), true));
TEST_ASSERT_FALSE(cJSON_PrintPreallocated(item, NULL, 1, true));
cJSON_Delete(NULL);
cJSON_GetArraySize(NULL);
TEST_ASSERT_NULL(cJSON_GetArrayItem(NULL, 0));
TEST_ASSERT_NULL(cJSON_GetObjectItem(NULL, "item"));
TEST_ASSERT_NULL(cJSON_GetObjectItem(item, NULL));
TEST_ASSERT_NULL(cJSON_GetObjectItemCaseSensitive(NULL, "item"));
TEST_ASSERT_NULL(cJSON_GetObjectItemCaseSensitive(item, NULL));
TEST_ASSERT_FALSE(cJSON_HasObjectItem(NULL, "item"));
TEST_ASSERT_FALSE(cJSON_HasObjectItem(item, NULL));
TEST_ASSERT_FALSE(cJSON_IsInvalid(NULL));
TEST_ASSERT_FALSE(cJSON_IsFalse(NULL));
TEST_ASSERT_FALSE(cJSON_IsTrue(NULL));
TEST_ASSERT_FALSE(cJSON_IsBool(NULL));
TEST_ASSERT_FALSE(cJSON_IsNull(NULL));
TEST_ASSERT_FALSE(cJSON_IsNumber(NULL));
TEST_ASSERT_FALSE(cJSON_IsString(NULL));
TEST_ASSERT_FALSE(cJSON_IsArray(NULL));
TEST_ASSERT_FALSE(cJSON_IsObject(NULL));
TEST_ASSERT_FALSE(cJSON_IsRaw(NULL));
TEST_ASSERT_NULL(cJSON_CreateString(NULL));
TEST_ASSERT_NULL(cJSON_CreateRaw(NULL));
TEST_ASSERT_NULL(cJSON_CreateIntArray(NULL, 10));
TEST_ASSERT_NULL(cJSON_CreateFloatArray(NULL, 10));
TEST_ASSERT_NULL(cJSON_CreateDoubleArray(NULL, 10));
TEST_ASSERT_NULL(cJSON_CreateStringArray(NULL, 10));
cJSON_AddItemToArray(NULL, item);
cJSON_AddItemToArray(item, NULL);
cJSON_AddItemToObject(item, "item", NULL);
cJSON_AddItemToObject(item, NULL, item);
cJSON_AddItemToObject(NULL, "item", item);
cJSON_AddItemToObjectCS(item, "item", NULL);
cJSON_AddItemToObjectCS(item, NULL, item);
cJSON_AddItemToObjectCS(NULL, "item", item);
cJSON_AddItemReferenceToArray(NULL, item);
cJSON_AddItemReferenceToArray(item, NULL);
cJSON_AddItemReferenceToObject(item, "item", NULL);
cJSON_AddItemReferenceToObject(item, NULL, item);
cJSON_AddItemReferenceToObject(NULL, "item", item);
TEST_ASSERT_NULL(cJSON_DetachItemViaPointer(NULL, item));
TEST_ASSERT_NULL(cJSON_DetachItemViaPointer(item, NULL));
TEST_ASSERT_NULL(cJSON_DetachItemFromArray(NULL, 0));
cJSON_DeleteItemFromArray(NULL, 0);
TEST_ASSERT_NULL(cJSON_DetachItemFromObject(NULL, "item"));
TEST_ASSERT_NULL(cJSON_DetachItemFromObject(item, NULL));
TEST_ASSERT_NULL(cJSON_DetachItemFromObjectCaseSensitive(NULL, "item"));
TEST_ASSERT_NULL(cJSON_DetachItemFromObjectCaseSensitive(item, NULL));
cJSON_DeleteItemFromObject(NULL, "item");
cJSON_DeleteItemFromObject(item, NULL);
cJSON_DeleteItemFromObjectCaseSensitive(NULL, "item");
cJSON_DeleteItemFromObjectCaseSensitive(item, NULL);
cJSON_InsertItemInArray(NULL, 0, item);
cJSON_InsertItemInArray(item, 0, NULL);
TEST_ASSERT_FALSE(cJSON_ReplaceItemViaPointer(NULL, item, item));
TEST_ASSERT_FALSE(cJSON_ReplaceItemViaPointer(item, NULL, item));
TEST_ASSERT_FALSE(cJSON_ReplaceItemViaPointer(item, item, NULL));
cJSON_ReplaceItemInArray(item, 0, NULL);
cJSON_ReplaceItemInArray(NULL, 0, item);
cJSON_ReplaceItemInObject(NULL, "item", item);
cJSON_ReplaceItemInObject(item, NULL, item);
cJSON_ReplaceItemInObject(item, "item", NULL);
cJSON_ReplaceItemInObjectCaseSensitive(NULL, "item", item);
cJSON_ReplaceItemInObjectCaseSensitive(item, NULL, item);
cJSON_ReplaceItemInObjectCaseSensitive(item, "item", NULL);
TEST_ASSERT_NULL(cJSON_Duplicate(NULL, true));
TEST_ASSERT_FALSE(cJSON_Compare(item, NULL, false));
TEST_ASSERT_FALSE(cJSON_Compare(NULL, item, false));
cJSON_Minify(NULL);
/* skipped because it is only used via a macro that checks for NULL */
/* cJSON_SetNumberHelper(NULL, 0); */
cJSON_Delete(item);
}
int main(void) int main(void)
{ {
UNITY_BEGIN(); UNITY_BEGIN();
@ -338,6 +424,7 @@ int main(void)
RUN_TEST(cjson_detach_item_via_pointer_should_detach_items); RUN_TEST(cjson_detach_item_via_pointer_should_detach_items);
RUN_TEST(cjson_replace_item_via_pointer_should_replace_items); RUN_TEST(cjson_replace_item_via_pointer_should_replace_items);
RUN_TEST(cjson_replace_item_in_object_should_preserve_name); RUN_TEST(cjson_replace_item_in_object_should_preserve_name);
RUN_TEST(cjson_functions_shouldnt_crash_with_null_pointers);
return UNITY_END(); return UNITY_END();
} }