/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2002-2013, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library 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;
 *    version 2.1 of the License.
 *
 *    This library 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.
 */
package org.geotools.xs.bindings;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
import java.nio.charset.Charset;

import org.geotools.data.DataUtilities;
import org.geotools.xml.Parser;
import org.geotools.xs.TestSchema;
import org.geotools.xs.XSConfiguration;

import junit.framework.TestCase;

public class XSUnsignedBindingsTest extends TestCase {

    Parser p;

    @Override
    protected void setUp() throws Exception {
        XSConfiguration xs = new XSConfiguration();
        p = new Parser(xs);
    }

    public void testParseUnsignedInt() throws Exception {
        Long l = (Long) p.parse(new ByteArrayInputStream(doc("unsignedInt", "12").getBytes(Charset.forName("UTF-8"))));
        assertEquals(12l, l.longValue());
    }

    public void testParseUnsignedByte() throws Exception {
        Short s = (Short) p.parse(new ByteArrayInputStream(doc("unsignedByte", "12").getBytes(Charset.forName("UTF-8"))));
        assertEquals(12, s.shortValue());
    }

    public void testParseUnsignedShort() throws Exception {
        Integer i = (Integer) p.parse(new ByteArrayInputStream(doc("unsignedShort", "12").getBytes(Charset.forName("UTF-8"))));
        assertEquals(12, i.longValue());
    }
    
    public void testParseUnsignedLong() throws Exception {
        BigDecimal l = (BigDecimal) p.parse(new ByteArrayInputStream(doc("unsignedLong", "12").getBytes(Charset.forName("UTF-8"))));
        assertEquals(12l, l.longValue());
    }

    String doc(String elName, String elValue) throws IOException {
        File sampleXsd = File.createTempFile("sample", "xsd", new File("target"));
        copy(TestSchema.class.getResourceAsStream("sample.xsd"), sampleXsd);

        return String.format("<my:%s xmlns:my='http://localhost/xob/test' " +
                            "schemaLocation='http://localhost/xob/test %s'>%s</my:%s>",
            elName, DataUtilities.fileToURL(sampleXsd), elValue, elName);
    }

    void copy(InputStream in, File to) throws IOException {
        FileOutputStream fout = new FileOutputStream(to);
        byte[] buffer = new byte[1024];
        int n = 0;

        while (( n = in.read(buffer)) > 0) {
            fout.write(buffer, 0, n);
        }
        fout.flush();
        fout.close();
    }
}