Add JsonArray iteration function

Similarly to commit 3057a172 for JsonObject, the newly added
json_array_foreach_element() iterates over a JSON array data
type.

1 files changed, 48 insertions, 0 deletions

diff --git a/json-glib/tests/array-test.c b/json-glib/tests/array-test.c
index f091ecd..3d3bf20 100644
--- a/json-glib/tests/array-test.c
+++ b/json-glib/tests/array-test.c
@@ -47,6 +47,53 @@ test_remove_element (void)
   json_array_unref (array);
 }
 
+typedef struct _TestForeachFixture
+{
+  gint n_elements;
+} TestForeachFixture;
+
+static const struct {
+  JsonNodeType element_type;
+  GType element_gtype;
+} type_verify[] = {
+  { JSON_NODE_VALUE, G_TYPE_INT },
+  { JSON_NODE_VALUE, G_TYPE_BOOLEAN },
+  { JSON_NODE_VALUE, G_TYPE_STRING },
+  { JSON_NODE_NULL, G_TYPE_INVALID }
+};
+
+static void
+verify_foreach (JsonArray *array,
+                guint      index_,
+                JsonNode  *element_node,
+                gpointer   user_data)
+{
+  TestForeachFixture *fixture = user_data;
+
+  g_assert (json_node_get_node_type (element_node) == type_verify[index_].element_type);
+  g_assert (json_node_get_value_type (element_node) == type_verify[index_].element_gtype);
+
+  fixture->n_elements += 1;
+}
+
+static void
+test_foreach_element (void)
+{
+  JsonArray *array = json_array_new ();
+  TestForeachFixture fixture = { 0, };
+
+  json_array_add_int_element (array, 42);
+  json_array_add_boolean_element (array, TRUE);
+  json_array_add_string_element (array, "hello");
+  json_array_add_null_element (array);
+
+  json_array_foreach_element (array, verify_foreach, &fixture);
+
+  g_assert_cmpint (fixture.n_elements, ==, json_array_get_length (array));
+
+  json_array_unref (array);
+}
+
 int
 main (int   argc,
       char *argv[])
@@ -57,6 +104,7 @@ main (int   argc,
   g_test_add_func ("/array/empty-array", test_empty_array);
   g_test_add_func ("/array/add-element", test_add_element);
   g_test_add_func ("/array/remove-element", test_remove_element);
+  g_test_add_func ("/array/foreach-element", test_foreach_element);
 
   return g_test_run ();
 }