opendaylight/md-sal/cds-access-api/src/test/java/org/opendaylight/controller/cluster/access/concepts/WritableObjectsTest.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.cluster.access.concepts;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import com.google.common.io.ByteArrayDataOutput;
  12 import com.google.common.io.ByteStreams;
  13 import java.io.IOException;
  14 import org.junit.Test;
  15
  16 public class WritableObjectsTest {
  17
  18     private static void assertRecovery(final long expected) throws IOException {
  19         final ByteArrayDataOutput out = ByteStreams.newDataOutput();
  20         WritableObjects.writeLong(out, expected);
  21         final long actual = WritableObjects.readLong(ByteStreams.newDataInput(out.toByteArray()));
  22         assertEquals(Long.toUnsignedString(expected, 16), Long.toUnsignedString(actual, 16));
  23     }
  24
  25     @Test
  26     public void testReadWriteLong() throws IOException {
  27         assertRecovery(0L);
  28         assertRecovery(1L);
  29         assertRecovery(255L);
  30         assertRecovery(256L);
  31
  32         assertRecovery(Long.MAX_VALUE);
  33         assertRecovery(Long.MIN_VALUE);
  34
  35         assertRecovery(0xF000000000000000L);
  36         assertRecovery(0x0F00000000000000L);
  37         assertRecovery(0x00F0000000000000L);
  38         assertRecovery(0x000F000000000000L);
  39         assertRecovery(0x0000F00000000000L);
  40         assertRecovery(0x00000F0000000000L);
  41         assertRecovery(0x000000F000000000L);
  42         assertRecovery(0x0000000F00000000L);
  43         assertRecovery(0x00000000F0000000L);
  44         assertRecovery(0x000000000F000000L);
  45         assertRecovery(0x0000000000F00000L);
  46         assertRecovery(0x00000000000F0000L);
  47         assertRecovery(0x000000000000F000L);
  48         assertRecovery(0x0000000000000F00L);
  49         assertRecovery(0x00000000000000F0L);
  50
  51         assertRecovery(0xF0F0F0F0F0F0F0F0L);
  52         assertRecovery(0x0FF0F0F0F0F0F0F0L);
  53         assertRecovery(0x00F0F0F0F0F0F0F0L);
  54         assertRecovery(0x000FF0F0F0F0F0F0L);
  55         assertRecovery(0x0000F0F0F0F0F0F0L);
  56         assertRecovery(0x00000F00F0F0F0F0L);
  57         assertRecovery(0x000000F0F0F0F0F0L);
  58         assertRecovery(0x0000000FF0F0F0F0L);
  59         assertRecovery(0x00000000F0F0F0F0L);
  60         assertRecovery(0x000000000FF0F0F0L);
  61         assertRecovery(0x0000000000F0F0F0L);
  62         assertRecovery(0x00000000000FF0F0L);
  63         assertRecovery(0x000000000000F0F0L);
  64         assertRecovery(0x0000000000000FF0L);
  65         assertRecovery(0x00000000000000F0L);
  66
  67         assertRecovery(0x8000000000000000L);
  68         assertRecovery(0x0800000000000000L);
  69         assertRecovery(0x0080000000000000L);
  70         assertRecovery(0x0008000000000000L);
  71         assertRecovery(0x0000800000000000L);
  72         assertRecovery(0x0000080000000000L);
  73         assertRecovery(0x0000008000000000L);
  74         assertRecovery(0x0000000800000000L);
  75         assertRecovery(0x0000000080000000L);
  76         assertRecovery(0x0000000008000000L);
  77         assertRecovery(0x0000000000800000L);
  78         assertRecovery(0x0000000000080000L);
  79         assertRecovery(0x0000000000008000L);
  80         assertRecovery(0x0000000000000800L);
  81         assertRecovery(0x0000000000000080L);
  82         assertRecovery(0x0000000000000008L);
  83     }
  84 }