@Test
public void testAddClickHandler_with_id_and_click_should_trigger_handler() throws Exception {
ClickHandler clickHandler = mock(ClickHandler.class);
buttonWidget.addClickHandler("form", clickHandler);
ClickEvent clickEvent = mock(ClickEvent.class);
buttonWidget.onClick(clickEvent);
verify(clickHandler, times(1)).onClick(clickEvent);
}
@Test
public void
test_two_AddClickHandler_with_id_twice_and_once_and_click_should_trigger_handler_once_each()
throws Exception {
ClickHandler clickHandler1 = mock(ClickHandler.class);
ClickHandler clickHandler2 = mock(ClickHandler.class);
buttonWidget.addClickHandler("form1", clickHandler1);
buttonWidget.addClickHandler("form1", clickHandler1);
buttonWidget.addClickHandler("form2", clickHandler2);
ClickEvent clickEvent = mock(ClickEvent.class);
buttonWidget.onClick(clickEvent);
verify(clickHandler1, times(1)).onClick(clickEvent);
verify(clickHandler2, times(1)).onClick(clickEvent);
}