/*
* Copyright 2007, 2008 Duncan McGregor
*
* This file is part of Rococoa, a library to allow Java to talk to Cocoa.
*
* Rococoa is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rococoa is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Rococoa. If not, see <http://www.gnu.org/licenses/>.
*/
package org.rococoa.internal;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import org.junit.Test;
import org.rococoa.Foundation;
import org.rococoa.ID;
import org.rococoa.test.RococoaTestCase;
import com.sun.jna.NativeLong;
@SuppressWarnings({ "nls", "unchecked", "cast" })
public class StringTypeConverterTest extends RococoaTestCase {
private static Class<? extends Number> primitiveTypeOfID =
(Class<? extends Number>) new NativeLong().nativeType();
private StringTypeConverter converter = new StringTypeConverter();
@Test public void convertsStringAsArgumentToIDofCFString() {
assertEquals(primitiveTypeOfID, converter.nativeType());
Number nativeValue = (Number) converter.toNative("Hello", null);
assertEquals(primitiveTypeOfID, nativeValue.getClass());
assertEquals("Hello", Foundation.toString(ID.fromLong(nativeValue.longValue())));
}
@Test public void convertsNullAsArgumentToNull() {
// Not entirely sure about this, maybe 0 would be better than null,
// but JNA seems to interpret it properly
assertEquals(null, converter.toNative(null, null));
}
@Test public void convertsReturnedIDToString() {
ID helloID = Foundation.cfString("Hello"); // just leaks
// We can cope with 64 bits on 64 and 32
Number nativeValue = new Long(helloID.longValue());
String converted = converter.fromNative(nativeValue, null);
assertEquals("Hello", converted);
// We must cope with 32 bits on 32-bit
if (NativeLong.SIZE == 4) {
nativeValue = new Integer(helloID.intValue());
converted = converter.fromNative(nativeValue, null);
assertEquals("Hello", converted);
}
}
@Test public void convertsReturnedNilToNull() {
Number nativeValue = new Long(0);
assertNull(converter.fromNative(nativeValue, null));
}
}