require 'test_helper'

Gtk.init

# Tests generated methods and functions in the Gtk namespace.
describe "In the generated Gtk module" do
  describe "a Gtk::Builder instance" do
    before do
      @builder = Gtk::Builder.new
      @spec = '
        <interface>
        <object class="GtkButton" id="foo">
        <signal handler="on_button_clicked" name="clicked"/>
        </object>
        </interface>
      '
    end

    it "loads the interface spec" do
      assert_nothing_raised { @builder.add_from_string @spec }
    end

    describe "its #get_object method" do
      it "returns objects of the proper class" do
        @builder.add_from_string @spec
        o = @builder.get_object "foo"
        assert_instance_of Gtk::Button, o
      end
    end

    describe "its #connect_signals_full method" do
      before do
        @builder.add_from_string @spec
      end
      it "passes arguments correctly" do
        aa = nil
        @builder.connect_signals_full {|*args| aa = args}
        b, o, sn, hn, co, f, ud = aa
        assert_instance_of Gtk::Builder, b
        assert_equal b.to_ptr, @builder.to_ptr
        assert_instance_of Gtk::Button, o
        assert_equal "clicked", sn
        assert_equal "on_button_clicked", hn
        assert_equal nil, co
        assert_equal 0, f
        ud.wont_be_nil
      end
    end
  end

  describe "a Gtk::Window instance" do
    before do
      @w = Gtk::Window.new :toplevel
    end

    it "starts with a refcount of 2 (one for us, one for GTK+)" do
      assert_equal 2, ref_count(@w)
    end
  end
end