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package com.vaadin.v7.tests.data.converter;
import static org.junit.Assert.assertEquals;
import java.math.BigInteger;
import java.util.Locale;
import org.junit.Test;
import com.vaadin.v7.data.util.converter.StringToBigIntegerConverter;
public class StringToBigIntegerConverterTest {
StringToBigIntegerConverter converter = new StringToBigIntegerConverter();
@Test
public void testNullConversion() {
assertEquals("Null value was converted incorrectly", null,
converter.convertToModel(null, BigInteger.class, null));
}
@Test
public void testEmptyStringConversion() {
assertEquals("Empty value was converted incorrectly", null,
converter.convertToModel("", BigInteger.class, null));
}
@Test
public void testValueParsing() {
String bigInt = "1180591620717411303424"; // 2^70 > 2^63 - 1
BigInteger converted = converter.convertToModel(bigInt,
BigInteger.class, null);
BigInteger expected = new BigInteger(bigInt);
assertEquals("Value bigger than max long was converted incorrectly",
expected, converted);
}
@Test
public void testValueFormatting() {
BigInteger bd = new BigInteger("1000");
String expected = "1.000";
String converted = converter.convertToPresentation(bd, String.class,
Locale.GERMAN);
assertEquals("Value with specific locale was converted incorrectly",
expected, converted);
}
}
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