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package com.vaadin.data;
import java.io.ByteArrayOutputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Locale;
import org.junit.After;
import org.junit.Before;
import com.vaadin.ui.TextField;
/**
* A base class for {@code Binder} unit tests.
*
* @author Vaadin Ltd.
*
* @since 8.0
*/
public abstract class BinderTestBase<BINDER extends Binder<ITEM>, ITEM>
implements Serializable {
protected static final String NEGATIVE_ERROR_MESSAGE = "Value must be non-negative";
protected static final String NOT_NUMBER_ERROR_MESSAGE = "Value must be a number";
protected static final String EMPTY_ERROR_MESSAGE = "Value cannot be empty";
protected BINDER binder;
protected ITEM item;
protected TextField nameField;
protected TextField ageField;
protected Validator<String> notEmpty = Validator.from(val -> !val.isEmpty(),
EMPTY_ERROR_MESSAGE);
protected Converter<String, Integer> stringToInteger = Converter.from(
Integer::valueOf, String::valueOf, e -> NOT_NUMBER_ERROR_MESSAGE);
protected Validator<Integer> notNegative = Validator.from(x -> x >= 0,
NEGATIVE_ERROR_MESSAGE);
public static void testSerialization(Object toSerialize) {
try (ObjectOutputStream objectOutputStream = new ObjectOutputStream(
new ByteArrayOutputStream())) {
objectOutputStream.writeObject(toSerialize);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Before
public void setUpBase() {
nameField = new TextField();
nameField.setLocale(Locale.US);
ageField = new TextField();
ageField.setLocale(Locale.US);
}
@After
public void testBinderSerialization() {
testSerialization(binder);
}
}
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