SAXParserTest.java

/*
 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

/*
 * @test
 * @bug 8213734
 * @run main/othervm SAXParserTest
 * @summary Verifies that files opened by the SAXParser is closed when Exception
 */
public class SAXParserTest {

    public void testCloseReaders() throws Exception {
        if (!System.getProperty("os.name").contains("Windows")) {
            System.out.println("This test only needs to be run on Windows.");
            return;
        }
        Path testFile = createTestFile(null, "Test");
        System.out.println("Test file: " + testFile.toString());
        SAXParserFactory factory = SAXParserFactory.newInstance();
        SAXParser parser = factory.newSAXParser();
        try {
            parser.parse(testFile.toFile(), new DefaultHandler() {
                @Override
                public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
                    throw new SAXException("Stop the parser.");
                }
            });
        } catch (SAXException e) {
            // Do nothing
        }

        // deletion failes on Windows when the file is not closed
        Files.deleteIfExists(testFile);
    }

    private static Path createTestFile(Path dir, String name) throws IOException {
        Path path = Files.createTempFile(name, ".xml");
            byte[] bytes = "<?xml version=\"1.0\"?><test a1=\"x\" a2=\"y\"/>"
        .getBytes(StandardCharsets.UTF_8);

        Files.write(path, bytes);
        return path;
    }

    public static void main(String[] args) throws Exception {
        SAXParserTest test = new SAXParserTest();
        test.testCloseReaders();
    }
}