require 'test_helper'

describe Gtk::RadioButton do
  describe '.new_from_widget' do
    it 'works when called with nil' do
      result = Gtk::RadioButton.new_from_widget(nil)
      result.must_be_instance_of Gtk::RadioButton
    end

    it 'works when called with another radio button' do
      btn = Gtk::RadioButton.new_from_widget nil
      result = Gtk::RadioButton.new_from_widget btn
      result.must_be_instance_of Gtk::RadioButton
    end
  end

  describe '#get_group' do
    it 'returns a GLib::SList object' do
      btn = Gtk::RadioButton.new_from_widget nil
      grp = btn.get_group
      assert_instance_of GLib::SList, grp
    end
  end

  describe '.new' do
    it 'works when called with nil' do
      result = Gtk::RadioButton.new nil
      result.must_be_instance_of Gtk::RadioButton
    end

    it 'works when called with the result of #get_group' do
      btn = Gtk::RadioButton.new_from_widget nil
      result = Gtk::RadioButton.new btn.get_group
      result.must_be_instance_of Gtk::RadioButton
    end
  end
end