/*
* Copyright (C) 2006 Joe Walnes.
* Copyright (C) 2006, 2007 XStream Committers.
* All rights reserved.
*
* The software in this package is published under the terms of the BSD
* style license a copy of which has been included with this distribution in
* the LICENSE.txt file.
*
* Created on 07. July 2006 by Joe Walnes
*/
package com.thoughtworks.xstream.converters.extended;
import com.thoughtworks.xstream.converters.ConversionException;
import com.thoughtworks.xstream.converters.SingleValueConverter;
import junit.framework.TestCase;
import java.util.Map;
/**
*
* @author Paul Hammant
*/
public class ToStringConverterTest extends TestCase {
public void testClaimsCanConvertRightType() throws NoSuchMethodException {
SingleValueConverter converter = new ToStringConverter(Foo.class);
assertTrue(converter.canConvert(Foo.class));
}
public void testClaimsCantConvertWrongType() throws NoSuchMethodException {
SingleValueConverter converter = new ToStringConverter(Foo.class);
assertFalse(converter.canConvert(Map.class));
}
public void testClaimsCantConvertWrongType2() {
try {
new ToStringConverter(Map.class);
fail("shoulda barfed");
} catch (NoSuchMethodException e) {
// expected.
}
}
public void testCanConvertRightType() throws NoSuchMethodException {
SingleValueConverter converter = new ToStringConverter(Foo.class);
assertTrue(converter.fromString("hello") instanceof Foo);
assertEquals("hello", ((Foo) converter.fromString("hello")).foo);
}
public void testCanInnocentlyConvertWrongTypeToString() throws NoSuchMethodException {
SingleValueConverter converter = new ToStringConverter(Foo.class);
assertEquals("whoa", converter.toString("whoa"));
}
public void testCantConvertWrongType() throws NoSuchMethodException {
SingleValueConverter converter = new ToStringConverter(BadFoo1.class);
try {
converter.fromString("whoa");
fail("shoulda barfed");
} catch (ConversionException e) {
assertTrue(e.getMessage().startsWith("Unable to target single String param constructor"));
assertTrue(e.getCause() instanceof NullPointerException);
}
}
public static class Foo {
final String foo;
public Foo(String foo) {
this.foo = foo;
}
public String toString() {
return foo;
}
}
public static class BadFoo1 {
public BadFoo1(String string) {
throw new NullPointerException("abc");
}
}
}