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package com.vaadin.tests.data.converter;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import com.vaadin.data.Result;
import com.vaadin.data.ValueContext;
import com.vaadin.data.converter.StringToIntegerConverter;
public class StringToIntegerConverterTest extends AbstractConverterTest {
@Override
protected StringToIntegerConverter getConverter() {
return new StringToIntegerConverter("Failed");
}
@Test
public void testEmptyStringConversion() {
assertValue(null,
getConverter().convertToModel("", new ValueContext()));
}
@Test
public void testValueOutOfRange() {
Double[] values = { Integer.MAX_VALUE * 2.0, Integer.MIN_VALUE * 2.0,
Long.MAX_VALUE * 2.0, Long.MIN_VALUE * 2.0 };
boolean accepted = false;
for (Number value : values) {
try {
getConverter().convertToModel(String.format("%.0f", value),
new ValueContext());
} catch (Exception e) {
accepted = true;
}
}
assertFalse("Accepted value outside range of int", accepted);
}
@Test
public void testValueConversion() {
assertValue(Integer.valueOf(10),
getConverter().convertToModel("10", new ValueContext()));
}
@Test
public void testErrorMessage() {
Result<Integer> result = getConverter().convertToModel("abc",
new ValueContext());
assertTrue(result.isError());
assertEquals("Failed", result.getMessage().get());
}
@Test
public void customEmptyValue() {
StringToIntegerConverter converter = new StringToIntegerConverter(0,
getErrorMessage());
assertValue(0, converter.convertToModel("", new ValueContext()));
assertEquals("0",
converter.convertToPresentation(0, new ValueContext()));
}
}
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