/*******************************************************************************
* Copyright (c) 2012 Original authors and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Original authors and others - initial API and implementation
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.data.convert;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Locale;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
public class DefaultBigDecimalDisplayConverterTest {
private DefaultBigDecimalDisplayConverter bigDecConverter = new DefaultBigDecimalDisplayConverter();
private static Locale defaultLocale;
@BeforeClass
public static void setup() {
defaultLocale = Locale.getDefault();
Locale.setDefault(new Locale("en"));
}
@AfterClass
public static void tearDown() {
Locale.setDefault(defaultLocale);
}
@Test
public void testNonNullDataToDisplay() {
Assert.assertEquals("123", this.bigDecConverter
.canonicalToDisplayValue(BigDecimal.valueOf(123)));
Assert.assertEquals("23.5", this.bigDecConverter
.canonicalToDisplayValue(BigDecimal.valueOf(23.5)));
}
@Test
public void testNullDataToDisplay() {
Assert.assertNull(this.bigDecConverter.canonicalToDisplayValue(null));
}
@Test
public void testNonNullDisplayToData() {
Assert.assertEquals(BigDecimal.valueOf(123),
this.bigDecConverter.displayToCanonicalValue("123"));
Assert.assertEquals(BigDecimal.valueOf(23.5),
this.bigDecConverter.displayToCanonicalValue("23.5"));
}
@Test
public void testNullDisplayToData() {
Assert.assertNull(this.bigDecConverter.displayToCanonicalValue(""));
}
@Test(expected = ConversionFailedException.class)
public void testConversionException() {
this.bigDecConverter.displayToCanonicalValue("abc");
}
@Test
public void testLocalizedDisplayConversion() {
NumberFormat original = this.bigDecConverter.getNumberFormat();
NumberFormat localized = NumberFormat.getInstance(Locale.GERMAN);
localized.setMinimumFractionDigits(0);
localized.setMaximumFractionDigits(2);
this.bigDecConverter.setNumberFormat(localized);
Assert.assertEquals("123,5", this.bigDecConverter
.canonicalToDisplayValue(new BigDecimal("123.5")));
this.bigDecConverter.setNumberFormat(original);
}
@Test
public void testLocalizedCanonicalConversion() {
NumberFormat original = this.bigDecConverter.getNumberFormat();
NumberFormat localized = NumberFormat.getInstance(Locale.GERMAN);
localized.setMinimumFractionDigits(0);
localized.setMaximumFractionDigits(2);
((DecimalFormat) localized).setParseBigDecimal(true);
this.bigDecConverter.setNumberFormat(localized);
Object result = this.bigDecConverter.displayToCanonicalValue("123,5");
Assert.assertTrue(result instanceof BigDecimal);
Assert.assertEquals(new BigDecimal("123.5"), result);
this.bigDecConverter.setNumberFormat(original);
}
}