package com.vaadin.tests.components.datefield; import java.time.LocalDate; import com.vaadin.annotations.Widgetset; import com.vaadin.data.Binder; import com.vaadin.server.VaadinRequest; import com.vaadin.tests.components.AbstractTestUI; import com.vaadin.ui.Button; import com.vaadin.ui.DateField; import com.vaadin.ui.Notification; @Widgetset("com.vaadin.DefaultWidgetSet") public class DateFieldFaultyInputNotValid extends AbstractTestUI { @Override protected void setup(VaadinRequest request) { DateField df = new DateField(); Binder binder = new Binder<>(); binder.forField(df).bind(v -> LocalDate.now(), (v, t) -> { /* NO-OP */ }); df.setRangeStart(LocalDate.now().minusDays(2)); addComponent(df); addComponent(new Button("Validate", event -> Notification .show(binder.validate().isOk() ? "OK" : "Fail"))); } }