package com.vaadin.ui;
import java.text.NumberFormat;
import java.util.Locale;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.vaadin.data.util.converter.StringToIntegerConverter;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinSession;
import com.vaadin.tests.util.AlwaysLockedVaadinSession;
public class AbsFieldDataSourceLocaleChange {
private VaadinSession vaadinSession;
private UI ui;
@Before
public void setup() {
vaadinSession = new AlwaysLockedVaadinSession(null);
VaadinSession.setCurrent(vaadinSession);
ui = new UI() {
@Override
protected void init(VaadinRequest request) {
}
};
ui.setSession(vaadinSession);
UI.setCurrent(ui);
}
@Test
public void localeChangesOnAttach() {
TextField tf = new TextField();
tf.setConverter(new StringToIntegerConverter() {
@Override
protected NumberFormat getFormat(Locale locale) {
if (locale == null) {
NumberFormat format = super.getFormat(locale);
format.setGroupingUsed(false);
format.setMinimumIntegerDigits(10);
return format;
}
return super.getFormat(locale);
}
});
tf.setImmediate(true);
tf.setConvertedValue(10000);
Assert.assertEquals("0000010000", tf.getValue());
VerticalLayout vl = new VerticalLayout();
ui.setContent(vl);
ui.setLocale(new Locale("en", "US"));
vl.addComponent(tf);
Assert.assertEquals("10,000", tf.getValue());
}
}