diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/suites/api/test_copy.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/suites/api/test_copy.c b/test/suites/api/test_copy.c index 41f0c7f..ef7ab36 100644 --- a/test/suites/api/test_copy.c +++ b/test/suites/api/test_copy.c @@ -323,6 +323,58 @@ static void test_deep_copy_object(void) json_decref(copy); } +static void test_deep_copy_circular_references(void) +{ + /* Construct a JSON object/array with a circular reference: + + object: {"a": {"b": {"c": <circular reference to $.a>}}} + array: [[[<circular reference to the $[0] array>]]] + + Deep copy it, remove the circular reference and deep copy again. + */ + + json_t *json; + json_t *copy; + + json = json_object(); + json_object_set_new(json, "a", json_object()); + json_object_set_new(json_object_get(json, "a"), "b", json_object()); + json_object_set(json_object_get(json_object_get(json, "a"), "b"), "c", + json_object_get(json, "a")); + + copy = json_deep_copy(json); + if(copy) + fail("json_deep_copy copied a circular reference!"); + + json_object_del(json_object_get(json_object_get(json, "a"), "b"), "c"); + + copy = json_deep_copy(json); + if(!copy) + fail("json_deep_copy failed!"); + + json_decref(copy); + json_decref(json); + + json = json_array(); + json_array_append_new(json, json_array()); + json_array_append_new(json_array_get(json, 0), json_array()); + json_array_append(json_array_get(json_array_get(json, 0), 0), + json_array_get(json, 0)); + + copy = json_deep_copy(json); + if(copy) + fail("json_deep_copy copied a circular reference!"); + + json_array_remove(json_array_get(json_array_get(json, 0), 0), 0); + + copy = json_deep_copy(json); + if(!copy) + fail("json_deep_copy failed!"); + + json_decref(copy); + json_decref(json); +} + static void run_tests() { test_copy_simple(); @@ -331,4 +383,5 @@ static void run_tests() test_deep_copy_array(); test_copy_object(); test_deep_copy_object(); + test_deep_copy_circular_references(); } |