--- /dev/null
+<?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 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\PelConvert;
+
+class ConvertTest extends \PHPUnit_Framework_TestCase
+{
+
+ private $bytes = "\x00\x00\x00\x00\x01\x23\x45\x67\x89\xAB\xCD\xEF\xFF\xFF\xFF\xFF";
+
+ function testLongLittle()
+ {
+ $o = PelConvert::LITTLE_ENDIAN;
+
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 0, $o), 0x00000000);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 1, $o), 0x01000000);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 2, $o), 0x23010000);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 3, $o), 0x45230100);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 4, $o), 0x67452301);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 5, $o), 0x89674523);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 6, $o), 0xAB896745);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 7, $o), 0xCDAB8967);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 8, $o), 0xEFCDAB89);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 9, $o), 0xFFEFCDAB);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 10, $o), 0xFFFFEFCD);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 11, $o), 0xFFFFFFEF);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 12, $o), 0xFFFFFFFF);
+ }
+
+ function testLongBig()
+ {
+ $o = PelConvert::BIG_ENDIAN;
+
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 0, $o), 0x00000000);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 1, $o), 0x00000001);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 2, $o), 0x00000123);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 3, $o), 0x00012345);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 4, $o), 0x01234567);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 5, $o), 0x23456789);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 6, $o), 0x456789AB);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 7, $o), 0x6789ABCD);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 8, $o), 0x89ABCDEF);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 9, $o), 0xABCDEFFF);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 10, $o), 0xCDEFFFFF);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 11, $o), 0xEFFFFFFF);
+ $this->assertEquals(PelConvert::bytesToLong($this->bytes, 12, $o), 0xFFFFFFFF);
+ }
+
+ function testSLongLittle()
+ {
+ // TODO: Does not work on 64bit systems!
+ $this->markTestIncomplete(
+ 'Does not work on 64bit systems!'
+ );
+ $o = PelConvert::LITTLE_ENDIAN;
+
+ /*
+ * The easiest way to calculate the numbers to compare with, is to
+ * let PHP do the arithmetic for us. When using the bit-wise
+ * operators PHP will return a proper signed 32 bit integer.
+ */
+
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 0, $o), 0x00 << 24 | 0x00 << 16 | 0x00 << 8 | 0x00);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 1, $o), 0x01 << 24 | 0x00 << 16 | 0x00 << 8 | 0x00);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 2, $o), 0x23 << 24 | 0x01 << 16 | 0x00 << 8 | 0x00);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 3, $o), 0x45 << 24 | 0x23 << 16 | 0x01 << 8 | 0x00);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 4, $o), 0x67 << 24 | 0x45 << 16 | 0x23 << 8 | 0x01);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 5, $o), 0x89 << 24 | 0x67 << 16 | 0x45 << 8 | 0x23);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 6, $o), 0xAB << 24 | 0x89 << 16 | 0x67 << 8 | 0x45);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 7, $o), 0xCD << 24 | 0xAB << 16 | 0x89 << 8 | 0x67);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 8, $o), 0xEF << 24 | 0xCD << 16 | 0xAB << 8 | 0x89);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 9, $o), 0xFF << 24 | 0xEF << 16 | 0xCD << 8 | 0xAB);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 10, $o), 0xFF << 24 | 0xFF << 16 | 0xEF << 8 | 0xCD);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 11, $o), 0xFF << 24 | 0xFF << 16 | 0xFF << 8 | 0xEF);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 12, $o), 0xFF << 24 | 0xFF << 16 | 0xFF << 8 | 0xFF);
+ }
+
+ function testSLongBig()
+ {
+ // TODO: Does not work on 64bit systems
+ $this->markTestIncomplete(
+ 'Does not work on 64bit systems!'
+ );
+
+ $o = PelConvert::BIG_ENDIAN;
+
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 0, $o), 0x00 << 24 | 0x00 << 16 | 0x00 << 8 | 0x00);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 1, $o), 0x00 << 24 | 0x00 << 16 | 0x00 << 8 | 0x01);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 2, $o), 0x00 << 24 | 0x00 << 16 | 0x01 << 8 | 0x23);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 3, $o), 0x00 << 24 | 0x01 << 16 | 0x23 << 8 | 0x45);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 4, $o), 0x01 << 24 | 0x23 << 16 | 0x45 << 8 | 0x67);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 5, $o), 0x23 << 24 | 0x45 << 16 | 0x67 << 8 | 0x89);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 6, $o), 0x45 << 24 | 0x67 << 16 | 0x89 << 8 | 0xAB);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 7, $o), 0x67 << 24 | 0x89 << 16 | 0xAB << 8 | 0xCD);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 8, $o), 0x89 << 24 | 0xAB << 16 | 0xCD << 8 | 0xEF);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 9, $o), 0xAB << 24 | 0xCD << 16 | 0xEF << 8 | 0xFF);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 10, $o), 0xCD << 24 | 0xEF << 16 | 0xFF << 8 | 0xFF);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 11, $o), 0xEF << 24 | 0xFF << 16 | 0xFF << 8 | 0xFF);
+ $this->assertEquals(PelConvert::bytesToSLong($this->bytes, 12, $o), 0xFF << 24 | 0xFF << 16 | 0xFF << 8 | 0xFF);
+ }
+
+ function testShortLittle()
+ {
+ $o = PelConvert::LITTLE_ENDIAN;
+
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 0, $o), 0x0000);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 1, $o), 0x0000);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 2, $o), 0x0000);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 3, $o), 0x0100);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 4, $o), 0x2301);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 5, $o), 0x4523);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 6, $o), 0x6745);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 7, $o), 0x8967);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 8, $o), 0xAB89);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 9, $o), 0xCDAB);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 10, $o), 0xEFCD);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 11, $o), 0xFFEF);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 12, $o), 0xFFFF);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 13, $o), 0xFFFF);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 14, $o), 0xFFFF);
+ }
+
+ function testShortBig()
+ {
+ $o = PelConvert::BIG_ENDIAN;
+
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 0, $o), 0x0000);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 1, $o), 0x0000);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 2, $o), 0x0000);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 3, $o), 0x0001);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 4, $o), 0x0123);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 5, $o), 0x2345);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 6, $o), 0x4567);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 7, $o), 0x6789);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 8, $o), 0x89AB);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 9, $o), 0xABCD);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 10, $o), 0xCDEF);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 11, $o), 0xEFFF);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 12, $o), 0xFFFF);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 13, $o), 0xFFFF);
+ $this->assertEquals(PelConvert::bytesToShort($this->bytes, 14, $o), 0xFFFF);
+ }
+
+ function testSShortLittle()
+ {
+ $o = PelConvert::LITTLE_ENDIAN;
+
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 0, $o), 0);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 1, $o), 0);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 2, $o), 0);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 3, $o), 256);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 4, $o), 8961);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 5, $o), 17699);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 6, $o), 26437);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 7, $o), - 30361);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 8, $o), - 21623);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 9, $o), - 12885);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 10, $o), - 4147);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 11, $o), - 17);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 12, $o), - 1);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 13, $o), - 1);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 14, $o), - 1);
+ }
+
+ function testSShortBig()
+ {
+ $o = PelConvert::BIG_ENDIAN;
+
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 0, $o), 0);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 1, $o), 0);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 2, $o), 0);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 3, $o), 1);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 4, $o), 291);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 5, $o), 9029);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 6, $o), 17767);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 7, $o), 26505);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 8, $o), - 30293);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 9, $o), - 21555);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 10, $o), - 12817);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 11, $o), - 4097);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 12, $o), - 1);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 13, $o), - 1);
+ $this->assertEquals(PelConvert::bytesToSShort($this->bytes, 14, $o), - 1);
+ }
+
+ function testByte()
+ {
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 0), 0x00);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 1), 0x00);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 2), 0x00);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 3), 0x00);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 4), 0x01);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 5), 0x23);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 6), 0x45);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 7), 0x67);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 8), 0x89);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 9), 0xAB);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 10), 0xCD);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 11), 0xEF);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 12), 0xFF);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 13), 0xFF);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 14), 0xFF);
+ $this->assertEquals(PelConvert::bytesToByte($this->bytes, 15), 0xFF);
+ }
+
+ function testSByte()
+ {
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 0), 0);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 1), 0);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 2), 0);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 3), 0);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 4), 1);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 5), 35);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 6), 69);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 7), 103);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 8), - 119);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 9), - 85);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 10), - 51);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 11), - 17);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 12), - 1);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 13), - 1);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 14), - 1);
+ $this->assertEquals(PelConvert::bytesToSByte($this->bytes, 15), - 1);
+ }
+}
projects / yaffs-website / blobdiff