/*
 * Copyright 2014 Open Networking Laboratory
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.onlab.util;

import org.junit.Test;
import org.onlab.junit.TestTools;

import java.util.concurrent.ThreadFactory;

import static org.junit.Assert.*;

/**
 * Test of the miscellaneous tools.
 */
public class ToolsTest {

    @Test
    public void fromHex() throws Exception {
        assertEquals(15, Tools.fromHex("0f"));
        assertEquals(16, Tools.fromHex("10"));
        assertEquals(65535, Tools.fromHex("ffff"));
        assertEquals(4096, Tools.fromHex("1000"));
        assertEquals(0xffffffffffffffffL, Tools.fromHex("ffffffffffffffff"));
    }

    @Test
    public void toHex() throws Exception {
        assertEquals("0f", Tools.toHex(15, 2));
        assertEquals("ffff", Tools.toHex(65535, 4));
        assertEquals("1000", Tools.toHex(4096, 4));
        assertEquals("000000000000000f", Tools.toHex(15));
        assertEquals("ffffffffffffffff", Tools.toHex(0xffffffffffffffffL));

    }

    @Test
    public  void namedThreads() {
        ThreadFactory f = Tools.namedThreads("foo-%d");
        Thread t = f.newThread(() -> TestTools.print("yo"));
        assertTrue("wrong pattern", t.getName().startsWith("foo-"));
    }

    @Test
    public  void groupedThreads() {
        ThreadFactory f = Tools.groupedThreads("foo/bar", "foo-%d");
        Thread t = f.newThread(() -> TestTools.print("yo"));
        assertTrue("wrong pattern", t.getName().startsWith("foo-"));
        assertTrue("wrong group", t.getThreadGroup().getName().equals("foo/bar"));
    }

}