/*
 * Copyright (c) 2014, 2017 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.tyrus.core;

import java.text.ParseException;
import java.util.Date;

import org.junit.Test;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;

/**
 * Tests Utils
 *
 * @author Ondrej Kosatka
 */
public class UtilsTest {

    @Test
    public void testParseHttpDateRfc1123() {
        try {
            Date date = Utils.parseHttpDate("Sun, 06 Nov 1994 08:49:37 GMT");
            assertNotNull("Date cannot be null", date);
        } catch (ParseException e) {
            fail("Cannot parse valid date");
        }
    }

    @Test
    public void testParseHttpDateRfc1036() {
        try {
            Date date = Utils.parseHttpDate("Sunday, 06-Nov-94 08:49:37 GMT");
            assertNotNull("Date cannot be null", date);
        } catch (ParseException e) {
            fail("Cannot parse valid date");
        }
    }

    @Test
    public void testParseHttpDateAnsiCAsc() {
        try {
            Date date = Utils.parseHttpDate("Sun Nov  6 08:49:37 1994");
            assertNotNull("Date cannot be null", date);
        } catch (ParseException e) {
            fail("Cannot parse valid date");
        }
    }

    @Test
    public void testParseHttpDateFail() {
        try {
            Utils.parseHttpDate("2014-08-08 23:11:22 GMT");
            fail("Invalid date cannot be parsed");
        } catch (ParseException e) {
            // ok
        }
    }
}
