+static void test_clear()
+{
+ json_t *object, *ten;
+
+ object = json_object();
+ ten = json_integer(10);
+
+ if(!object)
+ fail("unable to create object");
+ if(!ten)
+ fail("unable to create integer");
+
+ if(json_object_set(object, "a", ten) ||
+ json_object_set(object, "b", ten) ||
+ json_object_set(object, "c", ten) ||
+ json_object_set(object, "d", ten) ||
+ json_object_set(object, "e", ten))
+ fail("unable to set value");
+
+ if(json_object_size(object) != 5)
+ fail("invalid size");
+
+ json_object_clear(object);
+
+ if(json_object_size(object) != 0)
+ fail("invalid size after clear");
+
+ json_decref(ten);
+ json_decref(object);
+}
+
+static void test_update()
+{
+ json_t *object, *other, *nine, *ten;
+
+ object = json_object();
+ other = json_object();
+
+ nine = json_integer(9);
+ ten = json_integer(10);
+
+ if(!object || !other)
+ fail("unable to create object");
+ if(!nine || !ten)
+ fail("unable to create integer");
+
+
+ /* update an empty object with an empty object */
+
+ if(json_object_update(object, other))
+ fail("unable to update an emtpy object with an empty object");
+
+ if(json_object_size(object) != 0)
+ fail("invalid size after update");
+
+ if(json_object_size(other) != 0)
+ fail("invalid size for updater after update");
+
+
+ /* update an empty object with a nonempty object */
+
+ if(json_object_set(other, "a", ten) ||
+ json_object_set(other, "b", ten) ||
+ json_object_set(other, "c", ten) ||
+ json_object_set(other, "d", ten) ||
+ json_object_set(other, "e", ten))
+ fail("unable to set value");
+
+ if(json_object_update(object, other))
+ fail("unable to update an empty object");
+
+ if(json_object_size(object) != 5)
+ fail("invalid size after update");
+
+ if(json_object_get(object, "a") != ten ||
+ json_object_get(object, "b") != ten ||
+ json_object_get(object, "c") != ten ||
+ json_object_get(object, "d") != ten ||
+ json_object_get(object, "e") != ten)
+ fail("update works incorrectly");
+
+
+ /* perform the same update again */
+
+ if(json_object_update(object, other))
+ fail("unable to update an empty object");
+
+ if(json_object_size(object) != 5)
+ fail("invalid size after update");
+
+ if(json_object_get(object, "a") != ten ||
+ json_object_get(object, "b") != ten ||
+ json_object_get(object, "c") != ten ||
+ json_object_get(object, "d") != ten ||
+ json_object_get(object, "e") != ten)
+ fail("update works incorrectly");
+
+
+ /* update a nonempty object with a nonempty object with both old
+ and new keys */
+
+ if(json_object_clear(other))
+ fail("clear failed");
+
+ if(json_object_set(other, "a", nine) ||
+ json_object_set(other, "b", nine) ||
+ json_object_set(other, "f", nine) ||
+ json_object_set(other, "g", nine) ||
+ json_object_set(other, "h", nine))
+ fail("unable to set value");
+
+ if(json_object_update(object, other))
+ fail("unable to update a nonempty object");
+
+ if(json_object_size(object) != 8)
+ fail("invalid size after update");
+
+ if(json_object_get(object, "a") != nine ||
+ json_object_get(object, "b") != nine ||
+ json_object_get(object, "f") != nine ||
+ json_object_get(object, "g") != nine ||
+ json_object_get(object, "h") != nine)
+ fail("update works incorrectly");
+
+ json_decref(nine);
+ json_decref(ten);
+ json_decref(other);
+ json_decref(object);
+}
+
+static void test_circular()
+{
+ json_t *object1, *object2;
+
+ object1 = json_object();
+ object2 = json_object();
+ if(!object1 || !object2)
+ fail("unable to create object");
+
+ /* the simple case is checked */
+ if(json_object_set(object1, "a", object1) == 0)
+ fail("able to set self");
+
+ /* create circular references */
+ if(json_object_set(object1, "a", object2) ||
+ json_object_set(object2, "a", object1))
+ fail("unable to set value");
+
+ /* circularity is detected when dumping */
+ if(json_dumps(object1, 0) != NULL)
+ fail("able to dump circulars");
+
+ /* decref twice to deal with the circular references */
+ json_decref(object1);
+ json_decref(object2);
+ json_decref(object1);
+}
+
+static void test_misc()