X-Git-Url: http://www.project-moonshot.org/gitweb/?p=jansson.git;a=blobdiff_plain;f=test%2Fsuites%2Fapi%2Ftest_dump.c;h=97eb03e485e13e2434a64e855627d06f260a0fba;hp=c4711593daebc047695a4b82d4a53e80bf47a7e1;hb=453e4c0aa2fbca95676fa966cc5602f5daf0a1f2;hpb=2630980f49088a06c32cebdc866e4f518106af29

diff --git a/test/suites/api/test_dump.c b/test/suites/api/test_dump.c
index c471159..97eb03e 100644
--- a/test/suites/api/test_dump.c
+++ b/test/suites/api/test_dump.c
@@ -42,5 +42,48 @@ int main()
 
     json_decref(json);
 
+    /* Construct a JSON object/array with a circular reference:
+
+       object: {"a": {"b": {"c": <circular reference to $.a>}}}
+       array: [[[<circular reference to the $[0] array>]]]
+
+       Encode it, remove the circular reference and encode again.
+    */
+    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"));
+
+    if(json_dumps(json, 0))
+        fail("json_dumps encoded a circular reference!");
+
+    json_object_del(json_object_get(json_object_get(json, "a"), "b"), "c");
+
+    result = json_dumps(json, 0);
+    if(!result || strcmp(result, "{\"a\": {\"b\": {}}}"))
+        fail("json_dumps failed!");
+    free(result);
+
+    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));
+
+    if(json_dumps(json, 0))
+        fail("json_dumps encoded a circular reference!");
+
+    json_array_remove(json_array_get(json_array_get(json, 0), 0), 0);
+
+    result = json_dumps(json, 0);
+    if(!result || strcmp(result, "[[[]]]"))
+        fail("json_dumps failed!");
+    free(result);
+
+    json_decref(json);
+
     return 0;
 }