aleph1.co.uk Git - yaffs-website/blob - test/image-tests/CanonPowershotS60Test.php

   1 <?php
   2
   3 /*
   4  * PEL: PHP Exif Library. A library with support for reading and
   5  * writing all Exif headers in JPEG and TIFF images using PHP.
   6  *
   7  * Copyright (C) 2005, 2006 Martin Geisler.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program in the file COPYING; if not, write to the
  21  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  22  * Boston, MA 02110-1301 USA
  23  */
  24
  25 use lsolesen\pel\Pel;
  26 use lsolesen\pel\PelJpeg;
  27
  28 class CanonPowershotS60Test extends \PHPUnit_Framework_TestCase
  29 {
  30     public function testRead()
  31     {
  32         Pel::clearExceptions();
  33         Pel::setStrictParsing(false);
  34         $jpeg = new PelJpeg(dirname(__FILE__) . '/canon-powershot-s60.jpg');
  35
  36         $exif = $jpeg->getExif();
  37         $this->assertInstanceOf('lsolesen\pel\PelExif', $exif);
  38
  39         $tiff = $exif->getTiff();
  40         $this->assertInstanceOf('lsolesen\pel\PelTiff', $tiff);
  41
  42         /* The first IFD. */
  43         $ifd0 = $tiff->getIfd();
  44         $this->assertInstanceOf('lsolesen\pel\PelIfd', $ifd0);
  45
  46         /* Start of IDF $ifd0. */
  47         $this->assertEquals(count($ifd0->getEntries()), 8);
  48
  49         $entry = $ifd0->getEntry(271); // Make
  50         $this->assertInstanceOf('lsolesen\pel\PelEntryAscii', $entry);
  51         $this->assertEquals($entry->getValue(), 'Canon');
  52         $this->assertEquals($entry->getText(), 'Canon');
  53
  54         $entry = $ifd0->getEntry(272); // Model
  55         $this->assertInstanceOf('lsolesen\pel\PelEntryAscii', $entry);
  56         $this->assertEquals($entry->getValue(), 'Canon PowerShot S60');
  57         $this->assertEquals($entry->getText(), 'Canon PowerShot S60');
  58
  59         $entry = $ifd0->getEntry(274); // Orientation
  60         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
  61         $this->assertEquals($entry->getValue(), 1);
  62         $this->assertEquals($entry->getText(), 'top - left');
  63
  64         $entry = $ifd0->getEntry(282); // XResolution
  65         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
  66         $this->assertEquals($entry->getValue(), array(
  67             0 => 180,
  68             1 => 1
  69         ));
  70         $this->assertEquals($entry->getText(), '180/1');
  71
  72         $entry = $ifd0->getEntry(283); // YResolution
  73         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
  74         $this->assertEquals($entry->getValue(), array(
  75             0 => 180,
  76             1 => 1
  77         ));
  78         $this->assertEquals($entry->getText(), '180/1');
  79
  80         $entry = $ifd0->getEntry(296); // ResolutionUnit
  81         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
  82         $this->assertEquals($entry->getValue(), 2);
  83         $this->assertEquals($entry->getText(), 'Inch');
  84
  85         $entry = $ifd0->getEntry(306); // DateTime
  86         $this->assertInstanceOf('lsolesen\pel\PelEntryTime', $entry);
  87         $this->assertEquals($entry->getValue(), 1097316018);
  88         $this->assertEquals($entry->getText(), '2004:10:09 10:00:18');
  89
  90         $entry = $ifd0->getEntry(531); // YCbCrPositioning
  91         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
  92         $this->assertEquals($entry->getValue(), 1);
  93         $this->assertEquals($entry->getText(), 'centered');
  94
  95         /* Sub IFDs of $ifd0. */
  96         $this->assertEquals(count($ifd0->getSubIfds()), 1);
  97         $ifd0_0 = $ifd0->getSubIfd(2); // IFD Exif
  98         $this->assertInstanceOf('lsolesen\pel\PelIfd', $ifd0_0);
  99
 100         /* Start of IDF $ifd0_0. */
 101         $this->assertEquals(count($ifd0_0->getEntries()), 30);
 102
 103         $entry = $ifd0_0->getEntry(33434); // ExposureTime
 104         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 105         $this->assertEquals($entry->getValue(), array(
 106             0 => 1,
 107             1 => 8
 108         ));
 109         $this->assertEquals($entry->getText(), '1/8 sec.');
 110
 111         $entry = $ifd0_0->getEntry(33437); // FNumber
 112         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 113         $this->assertEquals($entry->getValue(), array(
 114             0 => 53,
 115             1 => 10
 116         ));
 117         $this->assertEquals($entry->getText(), 'f/5.3');
 118
 119         $entry = $ifd0_0->getEntry(36864); // ExifVersion
 120         $this->assertInstanceOf('lsolesen\pel\PelEntryVersion', $entry);
 121         $this->assertEquals($entry->getValue(), 2.2);
 122         $this->assertEquals($entry->getText(), 'Exif Version 2.2');
 123
 124         $entry = $ifd0_0->getEntry(36867); // DateTimeOriginal
 125         $this->assertInstanceOf('lsolesen\pel\PelEntryTime', $entry);
 126         $this->assertEquals($entry->getValue(), 1097316018);
 127         $this->assertEquals($entry->getText(), '2004:10:09 10:00:18');
 128
 129         $entry = $ifd0_0->getEntry(36868); // DateTimeDigitized
 130         $this->assertInstanceOf('lsolesen\pel\PelEntryTime', $entry);
 131         $this->assertEquals($entry->getValue(), 1097316018);
 132         $this->assertEquals($entry->getText(), '2004:10:09 10:00:18');
 133
 134         $entry = $ifd0_0->getEntry(37121); // ComponentsConfiguration
 135         $this->assertInstanceOf('lsolesen\pel\PelEntryUndefined', $entry);
 136         $this->assertEquals($entry->getValue(), "\x01\x02\x03\0");
 137         $this->assertEquals($entry->getText(), 'Y Cb Cr -');
 138
 139         $entry = $ifd0_0->getEntry(37122); // CompressedBitsPerPixel
 140         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 141         $this->assertEquals($entry->getValue(), array(
 142             0 => 2,
 143             1 => 1
 144         ));
 145         $this->assertEquals($entry->getText(), '2/1');
 146
 147         $entry = $ifd0_0->getEntry(37377); // ShutterSpeedValue
 148         $this->assertInstanceOf('lsolesen\pel\PelEntrySRational', $entry);
 149         $this->assertEquals($entry->getValue(), array(
 150             0 => 96,
 151             1 => 32
 152         ));
 153         $this->assertEquals($entry->getText(), '96/32 sec. (APEX: 2)');
 154
 155         $entry = $ifd0_0->getEntry(37378); // ApertureValue
 156         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 157         $this->assertEquals($entry->getValue(), array(
 158             0 => 154,
 159             1 => 32
 160         ));
 161         $this->assertEquals($entry->getText(), 'f/5.3');
 162
 163         $entry = $ifd0_0->getEntry(37380); // ExposureBiasValue
 164         $this->assertInstanceOf('lsolesen\pel\PelEntrySRational', $entry);
 165         $this->assertEquals($entry->getValue(), array(
 166             0 => 0,
 167             1 => 3
 168         ));
 169         $this->assertEquals($entry->getText(), '0.0');
 170
 171         $entry = $ifd0_0->getEntry(37381); // MaxApertureValue
 172         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 173         $this->assertEquals($entry->getValue(), array(
 174             0 => 154,
 175             1 => 32
 176         ));
 177         $this->assertEquals($entry->getText(), '154/32');
 178
 179         $entry = $ifd0_0->getEntry(37383); // MeteringMode
 180         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 181         $this->assertEquals($entry->getValue(), 5);
 182         $this->assertEquals($entry->getText(), 'Pattern');
 183
 184         $entry = $ifd0_0->getEntry(37385); // Flash
 185         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 186         $this->assertEquals($entry->getValue(), 16);
 187         $this->assertEquals($entry->getText(), 'Flash did not fire, compulsory flash mode.');
 188
 189         $entry = $ifd0_0->getEntry(37386); // FocalLength
 190         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 191         $this->assertEquals($entry->getValue(), array(
 192             0 => 662,
 193             1 => 32
 194         ));
 195         $this->assertEquals($entry->getText(), '20.7 mm');
 196
 197         $entry = $ifd0_0->getEntry(37500); // MakerNote
 198         $this->assertInstanceOf('lsolesen\pel\PelEntryUndefined', $entry);
 199         $expected = "\x11\0\x01\0\x03\0\x2e\0\0\0\x80\x04\0\0\x02\0\x03\0\x04\0\0\0\xdc\x04\0\0\x03\0\x03\0\x04\0\0\0\xe4\x04\0\0\x04\0\x03\0\x22\0\0\0\xec\x04\0\0\0\0\x03\0\x06\0\0\0\x30\x05\0\0\0\0\x03\0\x04\0\0\0\x3c\x05\0\0\x12\0\x03\0\x1c\0\0\0\x44\x05\0\0\x13\0\x03\0\x04\0\0\0\x7c\x05\0\0\x06\0\x02\0\x20\0\0\0\x84\x05\0\0\x07\0\x02\0\x18\0\0\0\xa4\x05\0\0\x08\0\x04\0\x01\0\0\0\x69\x42\x0f\0\x09\0\x02\0\x20\0\0\0\xbc\x05\0\0\x10\0\x04\0\x01\0\0\0\0\0\x39\x01\0\0\x03\0\x05\0\0\0\xdc\x05\0\0\x18\0\x01\0\0\x01\0\0\xe6\x05\0\0\x19\0\x03\0\x01\0\0\0\x01\0\0\0\x0d\0\x03\0\x24\0\0\0\xe6\x06\0\0\0\0\0\0\x5c\0\x02\0\0\0\x02\0\0\0\0\0\0\0\x04\0\0\0\x01\0\x02\0\0\0\0\0\0\0\0\0\0\0\x0f\0\x03\0\x01\0\x01\x40\0\0\xff\x7f\xff\xff\x96\x02\xba\0\x20\0\x9d\0\xc0\0\xff\xff\0\0\0\0\0\0\0\0\0\0\xff\xff\x35\0\x20\x0a\x20\x0a\0\0\0\0\0\0\0\0\xff\x7f\xff\x7f\0\0\0\0\x02\0\x96\x02\x22\x01\xd9\0\0\0\0\0\0\0\0\0\x44\0\x20\0\x80\0\x36\0\x9a\0\x60\0\0\0\0\0\0\0\0\0\x08\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x01\0\x6a\0\0\0\x9d\0\x60\0\0\0\0\0\x01\0\xfa\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x09\0\x09\0\x80\x02\xe0\x01\x20\x0a\xd8\0\xd3\x01\x27\0\x2c\xfe\0\0\xd4\x01\x2c\xfe\0\0\xd4\x01\x2c\xfe\0\0\xd4\x01\xd6\xff\xd6\xff\xd6\xff\0\0\0\0\0\0\x2a\0\x2a\0\x2a\0\x20\0\x05\0\0\0\0\0\0\0\0\0\x49\x4d\x47\x3a\x50\x6f\x77\x65\x72\x53\x68\x6f\x74\x20\x53\x36\x30\x20\x4a\x50\x45\x47\0\0\0\0\0\0\0\0\0\0\x46\x69\x72\x6d\x77\x61\x72\x65\x20\x56\x65\x72\x73\x69\x6f\x6e\x20\x31\x2e\x30\x30\0\0\0\0\x51\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x0a\0\x02\0\x02\0\x80\x02\xe0\x01\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x48\0\x09\0\x7f\x02\x7c\x02\x7c\x02\x7d\x02\x7a\x02\x80\x02\x7c\x02\x81\x02\x7a\x02\x44\0\0\0\0\0\x58\xff\x02\0\0\0\x0a\0\xfe\xff\0\0\x0a\0\x74\0\xc7\0\x25\0\x01\0\xdc\x03\0\0\0\0\0\0\0\0\0\0\x2a\0\0\0\0\0\x80\0\xe0\0\x49\x49\x2a\0\xae\x03\0\0";
 200         $this->assertEquals($entry->getValue(), $expected);
 201         $this->assertEquals($entry->getText(), '904 bytes unknown MakerNote data');
 202
 203         $entry = $ifd0_0->getEntry(37510); // UserComment
 204         $this->assertInstanceOf('lsolesen\pel\PelEntryUserComment', $entry);
 205         $expected = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
 206         $this->assertEquals($entry->getValue(), $expected);
 207         $expected = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
 208         $this->assertEquals($entry->getText(), $expected);
 209
 210         $entry = $ifd0_0->getEntry(40960); // FlashPixVersion
 211         $this->assertInstanceOf('lsolesen\pel\PelEntryVersion', $entry);
 212         $this->assertEquals($entry->getValue(), 1);
 213         $this->assertEquals($entry->getText(), 'FlashPix Version 1.0');
 214
 215         $entry = $ifd0_0->getEntry(40961); // ColorSpace
 216         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 217         $this->assertEquals($entry->getValue(), 1);
 218         $this->assertEquals($entry->getText(), 'sRGB');
 219
 220         $entry = $ifd0_0->getEntry(40962); // PixelXDimension
 221         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 222         $this->assertEquals($entry->getValue(), 640);
 223         $this->assertEquals($entry->getText(), '640');
 224
 225         $entry = $ifd0_0->getEntry(40963); // PixelYDimension
 226         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 227         $this->assertEquals($entry->getValue(), 480);
 228         $this->assertEquals($entry->getText(), '480');
 229
 230         $entry = $ifd0_0->getEntry(41486); // FocalPlaneXResolution
 231         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 232         $this->assertEquals($entry->getValue(), array(
 233             0 => 640000,
 234             1 => 283
 235         ));
 236         $this->assertEquals($entry->getText(), '640000/283');
 237
 238         $entry = $ifd0_0->getEntry(41487); // FocalPlaneYResolution
 239         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 240         $this->assertEquals($entry->getValue(), array(
 241             0 => 480000,
 242             1 => 212
 243         ));
 244         $this->assertEquals($entry->getText(), '480000/212');
 245
 246         $entry = $ifd0_0->getEntry(41488); // FocalPlaneResolutionUnit
 247         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 248         $this->assertEquals($entry->getValue(), 2);
 249         $this->assertEquals($entry->getText(), 'Inch');
 250
 251         $entry = $ifd0_0->getEntry(41495); // SensingMethod
 252         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 253         $this->assertEquals($entry->getValue(), 2);
 254         $this->assertEquals($entry->getText(), 'One-chip color area sensor');
 255
 256         $entry = $ifd0_0->getEntry(41728); // FileSource
 257         $this->assertInstanceOf('lsolesen\pel\PelEntryUndefined', $entry);
 258         $this->assertEquals($entry->getValue(), "\x03");
 259         $this->assertEquals($entry->getText(), 'DSC');
 260
 261         $entry = $ifd0_0->getEntry(41985); // CustomRendered
 262         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 263         $this->assertEquals($entry->getValue(), 0);
 264         $this->assertEquals($entry->getText(), 'Normal process');
 265
 266         $entry = $ifd0_0->getEntry(41986); // ExposureMode
 267         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 268         $this->assertEquals($entry->getValue(), 0);
 269         $this->assertEquals($entry->getText(), 'Auto exposure');
 270
 271         $entry = $ifd0_0->getEntry(41987); // WhiteBalance
 272         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 273         $this->assertEquals($entry->getValue(), 0);
 274         $this->assertEquals($entry->getText(), 'Auto white balance');
 275
 276         $entry = $ifd0_0->getEntry(41988); // DigitalZoomRatio
 277         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 278         $this->assertEquals($entry->getValue(), array(
 279             0 => 2592,
 280             1 => 2592
 281         ));
 282         $this->assertEquals($entry->getText(), '2592/2592');
 283
 284         $entry = $ifd0_0->getEntry(41990); // SceneCaptureType
 285         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 286         $this->assertEquals($entry->getValue(), 0);
 287         $this->assertEquals($entry->getText(), 'Standard');
 288
 289         /* Sub IFDs of $ifd0_0. */
 290         $this->assertEquals(count($ifd0_0->getSubIfds()), 1);
 291         $ifd0_0_0 = $ifd0_0->getSubIfd(4); // IFD Interoperability
 292         $this->assertInstanceOf('lsolesen\pel\PelIfd', $ifd0_0_0);
 293
 294         /* Start of IDF $ifd0_0_0. */
 295         $this->assertEquals(count($ifd0_0_0->getEntries()), 4);
 296
 297         $entry = $ifd0_0_0->getEntry(1); // InteroperabilityIndex
 298         $this->assertInstanceOf('lsolesen\pel\PelEntryAscii', $entry);
 299         $this->assertEquals($entry->getValue(), 'R98');
 300         $this->assertEquals($entry->getText(), 'R98');
 301
 302         $entry = $ifd0_0_0->getEntry(2); // InteroperabilityVersion
 303         $this->assertInstanceOf('lsolesen\pel\PelEntryVersion', $entry);
 304         $this->assertEquals($entry->getValue(), 1);
 305         $this->assertEquals($entry->getText(), 'Interoperability Version 1.0');
 306
 307         $entry = $ifd0_0_0->getEntry(4097); // RelatedImageWidth
 308         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 309         $this->assertEquals($entry->getValue(), 640);
 310         $this->assertEquals($entry->getText(), '640');
 311
 312         $entry = $ifd0_0_0->getEntry(4098); // RelatedImageLength
 313         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 314         $this->assertEquals($entry->getValue(), 480);
 315         $this->assertEquals($entry->getText(), '480');
 316
 317         /* Sub IFDs of $ifd0_0_0. */
 318         $this->assertEquals(count($ifd0_0_0->getSubIfds()), 0);
 319
 320         $this->assertEquals($ifd0_0_0->getThumbnailData(), '');
 321
 322         /* Next IFD. */
 323         $ifd0_0_1 = $ifd0_0_0->getNextIfd();
 324         $this->assertNull($ifd0_0_1);
 325         /* End of IFD $ifd0_0_0. */
 326
 327         $this->assertEquals($ifd0_0->getThumbnailData(), '');
 328
 329         /* Next IFD. */
 330         $ifd0_1 = $ifd0_0->getNextIfd();
 331         $this->assertNull($ifd0_1);
 332         /* End of IFD $ifd0_0. */
 333
 334         $this->assertEquals($ifd0->getThumbnailData(), '');
 335
 336         /* Next IFD. */
 337         $ifd1 = $ifd0->getNextIfd();
 338         $this->assertInstanceOf('lsolesen\pel\PelIfd', $ifd1);
 339         /* End of IFD $ifd0. */
 340
 341         /* Start of IDF $ifd1. */
 342         $this->assertEquals(count($ifd1->getEntries()), 4);
 343
 344         $entry = $ifd1->getEntry(259); // Compression
 345         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 346         $this->assertEquals($entry->getValue(), 6);
 347         $this->assertEquals($entry->getText(), 'JPEG compression');
 348
 349         $entry = $ifd1->getEntry(282); // XResolution
 350         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 351         $this->assertEquals($entry->getValue(), array(
 352             0 => 180,
 353             1 => 1
 354         ));
 355         $this->assertEquals($entry->getText(), '180/1');
 356
 357         $entry = $ifd1->getEntry(283); // YResolution
 358         $this->assertInstanceOf('lsolesen\pel\PelEntryRational', $entry);
 359         $this->assertEquals($entry->getValue(), array(
 360             0 => 180,
 361             1 => 1
 362         ));
 363         $this->assertEquals($entry->getText(), '180/1');
 364
 365         $entry = $ifd1->getEntry(296); // ResolutionUnit
 366         $this->assertInstanceOf('lsolesen\pel\PelEntryShort', $entry);
 367         $this->assertEquals($entry->getValue(), 2);
 368         $this->assertEquals($entry->getText(), 'Inch');
 369
 370         /* Sub IFDs of $ifd1. */
 371         $this->assertEquals(count($ifd1->getSubIfds()), 0);
 372
 373         $thumb_data = file_get_contents(dirname(__FILE__) . '/canon-powershot-s60-thumb.jpg');
 374         $this->assertEquals($ifd1->getThumbnailData(), $thumb_data);
 375
 376         /* Next IFD. */
 377         $ifd2 = $ifd1->getNextIfd();
 378         $this->assertNull($ifd2);
 379         /* End of IFD $ifd1. */
 380
 381         $this->assertTrue(count(Pel::getExceptions()) == 0);
 382     }
 383 }