- package com.vaadin.v7.tests.data.converter;
-
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
-
- import org.junit.Test;
-
- import com.vaadin.v7.data.util.converter.Converter;
- import com.vaadin.v7.data.util.converter.Converter.ConversionException;
- import com.vaadin.v7.data.util.converter.ReverseConverter;
- import com.vaadin.v7.data.util.converter.StringToByteConverter;
-
- public class StringToByteConverterTest {
-
- StringToByteConverter converter = new StringToByteConverter();
- Converter<Byte, String> reverseConverter = new ReverseConverter<Byte, String>(
- converter);
-
- @Test
- public void testNullConversion() {
- assertEquals("Null value was converted incorrectly", null,
- converter.convertToModel(null, Byte.class, null));
- }
-
- @Test
- public void testReverseNullConversion() {
- assertEquals("Null value reversely was converted incorrectly", null,
- reverseConverter.convertToModel(null, String.class, null));
- }
-
- @Test
- public void testEmptyStringConversion() {
- assertEquals("Empty value was converted incorrectly", null,
- converter.convertToModel("", Byte.class, null));
- }
-
- @Test
- public void testValueConversion() {
- assertEquals("Byte value was converted incorrectly",
- Byte.valueOf((byte) 10),
- converter.convertToModel("10", Byte.class, null));
- }
-
- @Test
- public void testReverseValueConversion() {
- assertEquals("Byte value reversely was converted incorrectly",
- reverseConverter.convertToModel((byte) 10, String.class, null),
- "10");
- }
-
- @Test
- public void testExtremeByteValueConversion() {
- byte b = converter.convertToModel("127", Byte.class, null);
- assertEquals(Byte.MAX_VALUE, b);
- b = converter.convertToModel("-128", Byte.class, null);
- assertEquals("Min byte value was converted incorrectly", Byte.MIN_VALUE,
- b);
- }
-
- @Test
- public void testValueOutOfRange() {
- Double[] values = { Byte.MAX_VALUE * 2.0, Byte.MIN_VALUE * 2.0,
- Long.MAX_VALUE * 2.0, Long.MIN_VALUE * 2.0 };
-
- boolean accepted = false;
- for (Number value : values) {
- try {
- converter.convertToModel(String.format("%.0f", value),
- Byte.class, null);
- accepted = true;
- } catch (ConversionException expected) {
- }
- }
- assertFalse("Accepted value outside range of int", accepted);
- }
- }
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