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diff --git a/vendor/lsolesen/pel/test/NumberTest.php b/vendor/lsolesen/pel/test/NumberTest.php
new file mode 100644
index 000000000..cba272a0f
--- /dev/null
+++ b/vendor/lsolesen/pel/test/NumberTest.php
@@ -0,0 +1,464 @@
+<?php
+
+/**
+ * PEL: PHP Exif Library.
+ * A library with support for reading and
+ * writing all Exif headers in JPEG and TIFF images using PHP.
+ *
+ * Copyright (C) 2004, 2005, 2006 Martin Geisler.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program in the file COPYING; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301 USA
+ */
+
+use \lsolesen\pel\PelEntryByte;
+use \lsolesen\pel\Pel;
+use \lsolesen\pel\PelEntrySByte;
+use \lsolesen\pel\PelEntryShort;
+use \lsolesen\pel\PelEntrySShort;
+use \lsolesen\pel\PelEntryLong;
+use \lsolesen\pel\PelEntrySLong;
+use \lsolesen\pel\PelEntryRational;
+use \lsolesen\pel\PelEntrySRational;
+use \lsolesen\pel\PelOverflowException;
+
+abstract class NumberTest extends \PHPUnit_Framework_TestCase
+{
+    private $min;
+    private $max;
+    protected $num;
+
+    public function __construct($min, $max)
+    {
+        Pel::setStrictParsing(true);
+        $this->min = $min;
+        $this->max = $max;
+        parent::__construct('PEL Exif Number Tests');
+    }
+
+    public function testOverflow()
+    {
+        $this->num->setValue(0);
+        $this->assertEquals($this->num->getValue(), 0);
+
+        $caught = false;
+        try {
+            $this->num->setValue($this->min - 1);
+        } catch (PelOverflowException $e) {
+            $caught = true;
+        }
+        $this->assertTrue($caught);
+        $this->assertEquals($this->num->getValue(), 0);
+
+        $caught = false;
+        try {
+            $this->num->setValue($this->max + 1);
+        } catch (PelOverflowException $e) {
+            $caught = true;
+        }
+        $this->assertTrue($caught);
+        $this->assertEquals($this->num->getValue(), 0);
+
+        $caught = false;
+        try {
+            $this->num->setValue(0, $this->max + 1);
+        } catch (PelOverflowException $e) {
+            $caught = true;
+        }
+        $this->assertTrue($caught);
+        $this->assertEquals($this->num->getValue(), 0);
+
+        $caught = false;
+        try {
+            $this->num->setValue(0, $this->min - 1);
+        } catch (PelOverflowException $e) {
+            $caught = true;
+        }
+        $this->assertTrue($caught);
+        $this->assertEquals($this->num->getValue(), 0);
+    }
+
+    /**
+     * @expectedException              PHPUnit_Framework_Error
+     * @expectedExceptionMessageRegExp /Missing argument 1 for lsolesen.pel.PelEntryNumber::setValue()/
+     */
+    public function testSetValueWithNoArgument()
+    {
+        $this->num->setValue();
+    }
+
+    public function testReturnValues()
+    {
+        $this->num->setValue(1, 2, 3);
+        $this->assertEquals($this->num->getValue(), array(
+            1,
+            2,
+            3
+        ));
+        $this->assertEquals($this->num->getText(), '1, 2, 3');
+
+        $this->num->setValue(1);
+        $this->assertEquals($this->num->getValue(), 1);
+        $this->assertEquals($this->num->getText(), '1');
+
+        $this->num->setValue($this->max);
+        $this->assertEquals($this->num->getValue(), $this->max);
+        $this->assertEquals($this->num->getText(), $this->max);
+
+        $this->num->setValue($this->min);
+        $this->assertEquals($this->num->getValue(), $this->min);
+        $this->assertEquals($this->num->getText(), $this->min);
+    }
+}
+
+class ByteTestCase extends NumberTest
+{
+
+    public function __construct()
+    {
+        $this->num = new PelEntryByte(42);
+        parent::__construct(0, 255);
+    }
+}
+
+class SByteTestCase extends NumberTest
+{
+
+    public function __construct()
+    {
+        $this->num = new PelEntrySByte(42);
+        parent::__construct(- 128, 127);
+    }
+}
+
+class ShortTestCase extends NumberTest
+{
+
+    public function __construct()
+    {
+        $this->num = new PelEntryShort(42);
+        parent::__construct(0, 65535);
+    }
+}
+
+class SShortTestCase extends NumberTest
+{
+
+    public function __construct()
+    {
+
+        $this->num = new PelEntrySShort(42);
+        parent::__construct(- 32768, 32767);
+    }
+}
+
+class LongTestCase extends NumberTest
+{
+
+    public function __construct()
+    {
+
+        $this->num = new PelEntryLong(42);
+        parent::__construct(0, 4294967295);
+    }
+}
+
+class SLongTestCase extends NumberTest
+{
+
+    public function __construct()
+    {
+
+        $this->num = new PelEntrySLong(42);
+        parent::__construct(- 2147483648, 2147483647);
+    }
+}
+
+class RationalTestCase extends \PHPUnit_Framework_TestCase
+{
+    public function testOverflow()
+    {
+        $entry = new PelEntryRational(42, array(
+            1,
+            2
+        ));
+        $this->assertEquals($entry->getValue(), array(
+            1,
+            2
+        ));
+
+        $caught = false;
+        try {
+            $entry->setValue(array(
+                3,
+                4
+            ), array(
+                - 1,
+                2
+            ), array(
+                7,
+                8
+            ));
+        } catch (PelOverflowException $e) {
+            $caught = true;
+        }
+        $this->assertTrue($caught);
+        $this->assertEquals($entry->getValue(), array(
+            1,
+            2
+        ));
+
+        $caught = false;
+        try {
+            $entry->setValue(array(
+                3,
+                4
+            ), array(
+                1,
+                4294967296
+            ));
+        } catch (PelOverflowException $e) {
+            $caught = true;
+        }
+        $this->assertTrue($caught);
+        $this->assertEquals($entry->getValue(), array(
+            1,
+            2
+        ));
+
+        $caught = false;
+        try {
+            $entry->setValue(array(
+                3,
+                4
+            ), array(
+                4294967296,
+                1
+            ));
+        } catch (PelOverflowException $e) {
+            $caught = true;
+        }
+        $this->assertTrue($caught);
+        $this->assertEquals($entry->getValue(), array(
+            1,
+            2
+        ));
+    }
+
+    /**
+     * @expectedException              PHPUnit_Framework_Error
+     * @expectedMessage                Undefined variable: tag
+     * @expectedExceptionMessageRegExp /Missing argument 1 for lsolesen.pel.PelEntryRational::__construct()/
+     */
+    public function testPelEntryWithoutArguments()
+    {
+        $entry = new PelEntryRational();
+    }
+
+    public function testReturnValues()
+    {
+        $entry = new PelEntryRational(42);
+        $this->assertEquals($entry->getValue(), array());
+        $this->assertEquals($entry->getText(), '');
+
+        $entry->setValue(array(
+            1,
+            2
+        ), array(
+            3,
+            4
+        ), array(
+            5,
+            6
+        ));
+        $this->assertEquals($entry->getValue(), array(
+            array(
+                1,
+                2
+            ),
+            array(
+                3,
+                4
+            ),
+            array(
+                5,
+                6
+            )
+        ));
+        $this->assertEquals($entry->getText(), '1/2, 3/4, 5/6');
+
+        $entry->setValue(array(
+            7,
+            8
+        ));
+        $this->assertEquals($entry->getValue(), array(
+            7,
+            8
+        ));
+        $this->assertEquals($entry->getText(), '7/8');
+
+        $pattern = new PatternExpectation('/Missing argument 1 for lsolesen.pel.PelEntryNumber::setValue()/');
+        $this->expectError($pattern);
+        $entry->setValue();
+
+        $entry->setValue(array(
+            0,
+            4294967295
+        ));
+        $this->assertEquals($entry->getValue(), array(
+            0,
+            4294967295
+        ));
+        $this->assertEquals($entry->getText(), '0/4294967295');
+    }
+}
+
+class SRationalTestCase extends \PHPUnit_Framework_TestCase
+{
+
+    public function __construct()
+    {
+
+        parent::__construct('PEL Exif SRational Tests');
+    }
+
+    public function testOverflow()
+    {
+        $entry = new PelEntrySRational(42, array(
+            - 1,
+            2
+        ));
+        $this->assertEquals($entry->getValue(), array(
+            - 1,
+            2
+        ));
+
+        $caught = false;
+        try {
+            $entry->setValue(array(
+                - 10,
+                - 20
+            ), array(
+                - 1,
+                - 2147483649
+            ));
+        } catch (PelOverflowException $e) {
+            $caught = true;
+        }
+        $this->assertTrue($caught);
+        $this->assertEquals($entry->getValue(), array(
+            - 1,
+            2
+        ));
+
+        $caught = false;
+        try {
+            $entry->setValue(array(
+                3,
+                4
+            ), array(
+                1,
+                2147483648
+            ));
+        } catch (PelOverflowException $e) {
+            $caught = true;
+        }
+        $this->assertTrue($caught);
+        $this->assertEquals($entry->getValue(), array(
+            - 1,
+            2
+        ));
+
+        $caught = false;
+        try {
+            $entry->setValue(array(
+                3,
+                4
+            ), array(
+                4294967296,
+                1
+            ));
+        } catch (PelOverflowException $e) {
+            $caught = true;
+        }
+        $this->assertTrue($caught);
+        $this->assertEquals($entry->getValue(), array(
+            - 1,
+            2
+        ));
+    }
+
+    public function testReturnValues()
+    {
+        $pattern = new PatternExpectation('/Missing argument 1 for lsolesen.pel.PelEntrySRational::__construct()/');
+        $this->expectError($pattern);
+        $pattern = new PatternExpectation('/Undefined variable: tag/');
+        $this->expectError($pattern);
+        $entry = new PelEntrySRational();
+
+        $entry = new PelEntrySRational(42);
+        $this->assertEquals($entry->getValue(), array());
+
+        $entry->setValue(array(
+            - 1,
+            2
+        ), array(
+            3,
+            4
+        ), array(
+            5,
+            - 6
+        ));
+        $this->assertEquals($entry->getValue(), array(
+            array(
+                - 1,
+                2
+            ),
+            array(
+                3,
+                4
+            ),
+            array(
+                5,
+                - 6
+            )
+        ));
+        $this->assertEquals($entry->getText(), '-1/2, 3/4, -5/6');
+
+        $entry->setValue(array(
+            - 7,
+            - 8
+        ));
+        $this->assertEquals($entry->getValue(), array(
+            - 7,
+            - 8
+        ));
+        $this->assertEquals($entry->getText(), '7/8');
+
+        $pattern = new PatternExpectation('/Missing argument 1 for lsolesen.pel.PelEntryNumber::setValue()/');
+        $this->expectError($pattern);
+        $entry->setValue();
+
+        $entry->setValue(array(
+            0,
+            2147483647
+        ));
+        $this->assertEquals($entry->getValue(), array(
+            0,
+            2147483647
+        ));
+        $this->assertEquals($entry->getText(), '0/2147483647');
+    }
+}