/*
    * ====================================================================
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.hc.core5.http;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutputStream;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * Test cases for HTTP version class
   */
  public class TestHttpVersion {
  
      @Test
      public void testEqualsMajorMinor() {
          Assert.assertTrue(HttpVersion.HTTP_0_9.equals(0, 9));
          Assert.assertTrue(HttpVersion.HTTP_1_0.equals(1, 0));
          Assert.assertTrue(HttpVersion.HTTP_1_1.equals(1, 1));
          Assert.assertTrue(HttpVersion.HTTP_2.equals(2, 0));
          Assert.assertTrue(HttpVersion.HTTP_2_0.equals(2, 0));
          //
          Assert.assertFalse(HttpVersion.HTTP_0_9.equals(2, 0));
      }
  
      @Test
      public void testGet() {
          Assert.assertEquals(HttpVersion.HTTP_0_9, HttpVersion.get(0, 9));
          Assert.assertEquals(HttpVersion.HTTP_1_0, HttpVersion.get(1, 0));
          Assert.assertEquals(HttpVersion.HTTP_1_1, HttpVersion.get(1, 1));
          Assert.assertEquals(HttpVersion.HTTP_2_0, HttpVersion.get(2, 0));
          Assert.assertEquals(HttpVersion.HTTP_2, HttpVersion.get(2, 0));
          Assert.assertNotEquals(HttpVersion.HTTP_2_0, HttpVersion.get(2, 1));
          //
          Assert.assertSame(HttpVersion.HTTP_0_9, HttpVersion.get(0, 9));
          Assert.assertSame(HttpVersion.HTTP_1_0, HttpVersion.get(1, 0));
          Assert.assertSame(HttpVersion.HTTP_1_1, HttpVersion.get(1, 1));
          Assert.assertSame(HttpVersion.HTTP_2_0, HttpVersion.get(2, 0));
          Assert.assertSame(HttpVersion.HTTP_2, HttpVersion.get(2, 0));
          Assert.assertNotSame(HttpVersion.HTTP_2_0, HttpVersion.get(2, 1));
      }
  
      @SuppressWarnings("unused")
      @Test
      public void testHttpVersionInvalidConstructorInput() throws Exception {
          try {
              new HttpVersion(-1, -1);
              Assert.fail("IllegalArgumentException should have been thrown");
          } catch (final IllegalArgumentException e) {
              // expected
          }
          try {
              new HttpVersion(0, -1);
              Assert.fail("IllegalArgumentException should have been thrown");
          } catch (final IllegalArgumentException e) {
              // expected
          }
      }
  
      @Test
      public void testHttpVersionEquality() throws Exception {
          final HttpVersion ver1 = new HttpVersion(1, 1);
          final HttpVersion ver2 = new HttpVersion(1, 1);
  
          Assert.assertEquals(ver1.hashCode(), ver2.hashCode());
          Assert.assertTrue(ver1.equals(ver1));
          Assert.assertTrue(ver1.equals(ver2));
          Assert.assertTrue(ver1.equals(ver1));
          Assert.assertTrue(ver1.equals(ver2));
  
          Assert.assertFalse(ver1.equals(Float.valueOf(1.1f)));
 
         Assert.assertTrue((new HttpVersion(0, 9)).equals(HttpVersion.HTTP_0_9));
         Assert.assertTrue((new HttpVersion(1, 0)).equals(HttpVersion.HTTP_1_0));
         Assert.assertTrue((new HttpVersion(1, 1)).equals(HttpVersion.HTTP_1_1));
         Assert.assertFalse((new HttpVersion(1, 1)).equals(HttpVersion.HTTP_1_0));
 
         Assert.assertTrue
             ((new ProtocolVersion("HTTP", 0, 9)).equals(HttpVersion.HTTP_0_9));
         Assert.assertTrue
             ((new ProtocolVersion("HTTP", 1, 0)).equals(HttpVersion.HTTP_1_0));
         Assert.assertTrue
             ((new ProtocolVersion("HTTP", 1, 1)).equals(HttpVersion.HTTP_1_1));
         Assert.assertFalse
             ((new ProtocolVersion("http", 1, 1)).equals(HttpVersion.HTTP_1_1));
 
         Assert.assertTrue
             (HttpVersion.HTTP_0_9.equals(new ProtocolVersion("HTTP", 0, 9)));
         Assert.assertTrue
             (HttpVersion.HTTP_1_0.equals(new ProtocolVersion("HTTP", 1, 0)));
         Assert.assertTrue
             (HttpVersion.HTTP_1_1.equals(new ProtocolVersion("HTTP", 1, 1)));
         Assert.assertFalse
             (HttpVersion.HTTP_1_1.equals(new ProtocolVersion("http", 1, 1)));
     }
 
     @Test
     public void testHttpVersionComparison() {
         Assert.assertTrue(HttpVersion.HTTP_0_9.lessEquals(HttpVersion.HTTP_1_1));
         Assert.assertTrue(HttpVersion.HTTP_0_9.greaterEquals(HttpVersion.HTTP_0_9));
         Assert.assertFalse(HttpVersion.HTTP_0_9.greaterEquals(HttpVersion.HTTP_1_0));
 
         Assert.assertTrue(HttpVersion.HTTP_1_0.compareToVersion(HttpVersion.HTTP_1_1) < 0);
         Assert.assertTrue(HttpVersion.HTTP_1_0.compareToVersion(HttpVersion.HTTP_0_9) > 0);
         Assert.assertTrue(HttpVersion.HTTP_1_0.compareToVersion(HttpVersion.HTTP_1_0) == 0);
    }
 
     @Test
     public void testSerialization() throws Exception {
         final HttpVersion orig = HttpVersion.HTTP_1_1;
         final ByteArrayOutputStream outbuffer = new ByteArrayOutputStream();
         try (final ObjectOutputStream outStream = new ObjectOutputStream(outbuffer)) {
             outStream.writeObject(orig);
             outStream.close();
             final byte[] raw = outbuffer.toByteArray();
             final ByteArrayInputStream inBuffer = new ByteArrayInputStream(raw);
             final ObjectInputStream inStream = new ObjectInputStream(inBuffer);
             final HttpVersion clone = (HttpVersion) inStream.readObject();
             Assert.assertEquals(orig, clone);
         }
     }
 
 }