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<?php
/**
* BaconQrCode
*
* @link http://github.com/Bacon/BaconQrCode For the canonical source repository
* @copyright 2013 Ben 'DASPRiD' Scholzen
* @license http://opensource.org/licenses/BSD-2-Clause Simplified BSD License
*/
namespace BaconQrCode\Encoder;
use BaconQrCode\Common\BitArray;
use BaconQrCode\Common\ErrorCorrectionLevel;
use BaconQrCode\Common\Mode;
use BaconQrCode\Common\Version;
use PHPUnit_Framework_TestCase as TestCase;
use ReflectionClass;
use ReflectionMethod;
use SplFixedArray;
class EncoderTest extends TestCase
{
protected $methods = array();
public function setUp()
{
// Hack to be able to test protected methods
$reflection = new ReflectionClass('BaconQrCode\Encoder\Encoder');
foreach ($reflection->getMethods(ReflectionMethod::IS_STATIC) as $method) {
$method->setAccessible(true);
$this->methods[$method->getName()] = $method;
}
}
public function testGetAlphanumericCode()
{
// The first ten code points are numbers.
for ($i = 0; $i < 10; $i++) {
$this->assertEquals($i, $this->methods['getAlphanumericCode']->invoke(null, ord('0') + $i));
}
// The next 26 code points are capital alphabet letters.
for ($i = 10; $i < 36; $i++) {
// The first ten code points are numbers
$this->assertEquals($i, $this->methods['getAlphanumericCode']->invoke(null, ord('A') + $i - 10));
}
// Others are symbol letters.
$this->assertEquals(36, $this->methods['getAlphanumericCode']->invoke(null, ' '));
$this->assertEquals(37, $this->methods['getAlphanumericCode']->invoke(null, '$'));
$this->assertEquals(38, $this->methods['getAlphanumericCode']->invoke(null, '%'));
$this->assertEquals(39, $this->methods['getAlphanumericCode']->invoke(null, '*'));
$this->assertEquals(40, $this->methods['getAlphanumericCode']->invoke(null, '+'));
$this->assertEquals(41, $this->methods['getAlphanumericCode']->invoke(null, '-'));
$this->assertEquals(42, $this->methods['getAlphanumericCode']->invoke(null, '.'));
$this->assertEquals(43, $this->methods['getAlphanumericCode']->invoke(null, '/'));
$this->assertEquals(44, $this->methods['getAlphanumericCode']->invoke(null, ':'));
// Should return -1 for other letters.
$this->assertEquals(-1, $this->methods['getAlphanumericCode']->invoke(null, 'a'));
$this->assertEquals(-1, $this->methods['getAlphanumericCode']->invoke(null, '#'));
$this->assertEquals(-1, $this->methods['getAlphanumericCode']->invoke(null, "\0"));
}
public function testChooseMode()
{
// Numeric mode
$this->assertSame(Mode::NUMERIC, $this->methods['chooseMode']->invoke(null, '0')->get());
$this->assertSame(Mode::NUMERIC, $this->methods['chooseMode']->invoke(null, '0123456789')->get());
// Alphanumeric mode
$this->assertSame(Mode::ALPHANUMERIC, $this->methods['chooseMode']->invoke(null, 'A')->get());
$this->assertSame(Mode::ALPHANUMERIC, $this->methods['chooseMode']->invoke(null, '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:')->get());
// 8-bit byte mode
$this->assertSame(Mode::BYTE, $this->methods['chooseMode']->invoke(null, 'a')->get());
$this->assertSame(Mode::BYTE, $this->methods['chooseMode']->invoke(null, '#')->get());
$this->assertSame(Mode::BYTE, $this->methods['chooseMode']->invoke(null, '')->get());
// AIUE in Hiragana in SHIFT-JIS
$this->assertSame(Mode::BYTE, $this->methods['chooseMode']->invoke(null, "\x8\xa\x8\xa\x8\xa\x8\xa6")->get());
// Nihon in Kanji in SHIFT-JIS
$this->assertSame(Mode::BYTE, $this->methods['chooseMode']->invoke(null, "\x9\xf\x9\x7b")->get());
// Sou-Utso-Byou in Kanji in SHIFT-JIS
$this->assertSame(Mode::BYTE, $this->methods['chooseMode']->invoke(null, "\xe\x4\x9\x5\x9\x61")->get());
}
public function testEncode()
{
$qrCode = Encoder::encode('ABCDEF', new ErrorCorrectionLevel(ErrorCorrectionLevel::H));
$expected = "<<\n"
. " mode: ALPHANUMERIC\n"
. " ecLevel: H\n"
. " version: 1\n"
. " maskPattern: 0\n"
. " matrix:\n"
. " 1 1 1 1 1 1 1 0 1 1 1 1 0 0 1 1 1 1 1 1 1\n"
. " 1 0 0 0 0 0 1 0 0 1 1 1 0 0 1 0 0 0 0 0 1\n"
. " 1 0 1 1 1 0 1 0 0 1 0 1 1 0 1 0 1 1 1 0 1\n"
. " 1 0 1 1 1 0 1 0 1 1 1 0 1 0 1 0 1 1 1 0 1\n"
. " 1 0 1 1 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1\n"
. " 1 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 0 1\n"
. " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n"
. " 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0\n"
. " 0 0 1 0 1 1 1 0 1 1 0 0 1 1 0 0 0 1 0 0 1\n"
. " 1 0 1 1 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0\n"
. " 0 0 1 1 0 0 1 0 1 0 0 0 1 0 1 0 1 0 1 1 0\n"
. " 1 1 0 1 0 1 0 1 1 1 0 1 0 1 0 0 0 0 0 1 0\n"
. " 0 0 1 1 0 1 1 1 1 0 0 0 1 0 1 0 1 1 1 1 0\n"
. " 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 1 0 1 0 0 0\n"
. " 1 1 1 1 1 1 1 0 0 0 1 0 1 0 1 1 0 0 0 0 1\n"
. " 1 0 0 0 0 0 1 0 1 1 1 1 0 1 0 1 1 1 1 0 1\n"
. " 1 0 1 1 1 0 1 0 1 0 1 1 0 1 0 1 0 0 0 0 1\n"
. " 1 0 1 1 1 0 1 0 0 1 1 0 1 1 1 1 0 1 0 1 0\n"
. " 1 0 1 1 1 0 1 0 1 0 0 0 1 0 1 0 1 1 1 0 1\n"
. " 1 0 0 0 0 0 1 0 0 1 1 0 1 1 0 1 0 0 0 1 1\n"
. " 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1\n"
. ">>\n";
$this->assertEquals($expected, $qrCode->__toString());
}
public function testSimpleUtf8Eci()
{
$qrCode = Encoder::encode('hello', new ErrorCorrectionLevel(ErrorCorrectionLevel::H), 'utf-8');
$expected = "<<\n"
. " mode: BYTE\n"
. " ecLevel: H\n"
. " version: 1\n"
. " maskPattern: 3\n"
. " matrix:\n"
. " 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 1 1\n"
. " 1 0 0 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 0 0 1\n"
. " 1 0 1 1 1 0 1 0 0 1 0 1 0 0 1 0 1 1 1 0 1\n"
. " 1 0 1 1 1 0 1 0 0 1 1 0 1 0 1 0 1 1 1 0 1\n"
. " 1 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1\n"
. " 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 1\n"
. " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n"
. " 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0\n"
. " 0 0 1 1 0 0 1 1 1 1 0 0 0 1 1 0 1 0 0 0 0\n"
. " 0 0 1 1 1 0 0 0 0 0 1 1 0 0 0 1 0 1 1 1 0\n"
. " 0 1 0 1 0 1 1 1 0 1 0 1 0 0 0 0 0 1 1 1 1\n"
. " 1 1 0 0 1 0 0 1 1 0 0 1 1 1 1 0 1 0 1 1 0\n"
. " 0 0 0 0 1 0 1 1 1 1 0 0 0 0 0 1 0 0 1 0 0\n"
. " 0 0 0 0 0 0 0 0 1 1 1 1 0 0 1 1 1 0 0 0 1\n"
. " 1 1 1 1 1 1 1 0 1 1 1 0 1 0 1 1 0 0 1 0 0\n"
. " 1 0 0 0 0 0 1 0 0 0 1 0 0 1 1 1 1 1 1 0 1\n"
. " 1 0 1 1 1 0 1 0 0 1 0 0 0 0 1 1 0 0 0 0 0\n"
. " 1 0 1 1 1 0 1 0 1 1 1 0 1 0 0 0 1 1 0 0 0\n"
. " 1 0 1 1 1 0 1 0 1 1 0 0 0 1 0 0 1 0 0 0 0\n"
. " 1 0 0 0 0 0 1 0 0 0 0 1 1 0 1 0 1 0 1 1 0\n"
. " 1 1 1 1 1 1 1 0 0 1 0 1 1 1 0 1 1 0 0 0 0\n"
. ">>\n";
$this->assertEquals($expected, $qrCode->__toString());
}
public function testAppendModeInfo()
{
$bits = new BitArray();
$this->methods['appendModeInfo']->invoke(null, new Mode(Mode::NUMERIC), $bits);
$this->assertEquals(' ...X', $bits->__toString());
}
public function testAppendLengthInfo()
{
// 1 letter (1/1), 10 bits.
$bits = new BitArray();
$this->methods['appendLengthInfo']->invoke(
null,
1,
Version::getVersionForNumber(1),
new Mode(Mode::NUMERIC),
$bits
);
$this->assertEquals(' ........ .X', $bits->__toString());
// 2 letters (2/1), 11 bits.
$bits = new BitArray();
$this->methods['appendLengthInfo']->invoke(
null,
2,
Version::getVersionForNumber(10),
new Mode(Mode::ALPHANUMERIC),
$bits
);
$this->assertEquals(' ........ .X.', $bits->__toString());
// 255 letters (255/1), 16 bits.
$bits = new BitArray();
$this->methods['appendLengthInfo']->invoke(
null,
255,
Version::getVersionForNumber(27),
new Mode(Mode::BYTE),
$bits
);
$this->assertEquals(' ........ XXXXXXXX', $bits->__toString());
// 512 letters (1024/2), 12 bits.
$bits = new BitArray();
$this->methods['appendLengthInfo']->invoke(
null,
512,
Version::getVersionForNumber(40),
new Mode(Mode::KANJI),
$bits
);
$this->assertEquals(' ..X..... ....', $bits->__toString());
}
public function testAppendBytes()
{
// Should use appendNumericBytes.
// 1 = 01 = 0001 in 4 bits.
$bits = new BitArray();
$this->methods['appendBytes']->invoke(
null,
'1',
new Mode(Mode::NUMERIC),
$bits,
Encoder::DEFAULT_BYTE_MODE_ECODING
);
$this->assertEquals(' ...X', $bits->__toString());
// Should use appendAlphaNumericBytes.
// A = 10 = 0xa = 001010 in 6 bits.
$bits = new BitArray();
$this->methods['appendBytes']->invoke(
null,
'A',
new Mode(Mode::ALPHANUMERIC),
$bits,
Encoder::DEFAULT_BYTE_MODE_ECODING
);
$this->assertEquals(' ..X.X.', $bits->__toString());
// Should use append8BitBytes.
// 0x61, 0x62, 0x63
$bits = new BitArray();
$this->methods['appendBytes']->invoke(
null,
'abc',
new Mode(Mode::BYTE),
$bits,
Encoder::DEFAULT_BYTE_MODE_ECODING
);
$this->assertEquals(' .XX....X .XX...X. .XX...XX', $bits->__toString());
// Should use appendKanjiBytes.
// 0x93, 0x5f
$bits = new BitArray();
$this->methods['appendBytes']->invoke(
null,
"\x93\x5f",
new Mode(Mode::KANJI),
$bits,
Encoder::DEFAULT_BYTE_MODE_ECODING
);
$this->assertEquals(' .XX.XX.. XXXXX', $bits->__toString());
// Lower letters such as 'a' cannot be encoded in alphanumeric mode.
$this->setExpectedException(
'BaconQrCode\Exception\WriterException',
'Invalid alphanumeric code'
);
$this->methods['appendBytes']->invoke(
null,
"a",
new Mode(Mode::ALPHANUMERIC),
$bits,
Encoder::DEFAULT_BYTE_MODE_ECODING
);
}
public function testTerminateBits()
{
$bits = new BitArray();
$this->methods['terminateBits']->invoke(null, 0, $bits);
$this->assertEquals('', $bits->__toString());
$bits = new BitArray();
$this->methods['terminateBits']->invoke(null, 1, $bits);
$this->assertEquals(' ........', $bits->__toString());
$bits = new BitArray();
$bits->appendBits(0, 3);
$this->methods['terminateBits']->invoke(null, 1, $bits);
$this->assertEquals(' ........', $bits->__toString());
$bits = new BitArray();
$bits->appendBits(0, 5);
$this->methods['terminateBits']->invoke(null, 1, $bits);
$this->assertEquals(' ........', $bits->__toString());
$bits = new BitArray();
$bits->appendBits(0, 8);
$this->methods['terminateBits']->invoke(null, 1, $bits);
$this->assertEquals(' ........', $bits->__toString());
$bits = new BitArray();
$this->methods['terminateBits']->invoke(null, 2, $bits);
$this->assertEquals(' ........ XXX.XX..', $bits->__toString());
$bits = new BitArray();
$bits->appendBits(0, 1);
$this->methods['terminateBits']->invoke(null, 3, $bits);
$this->assertEquals(' ........ XXX.XX.. ...X...X', $bits->__toString());
}
public function testGetNumDataBytesAndNumEcBytesForBlockId()
{
// Version 1-H.
list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']->invoke(null, 26, 9, 1, 0);
$this->assertEquals(9, $numDataBytes);
$this->assertEquals(17, $numEcBytes);
// Version 3-H. 2 blocks.
list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']->invoke(null, 70, 26, 2, 0);
$this->assertEquals(13, $numDataBytes);
$this->assertEquals(22, $numEcBytes);
list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']->invoke(null, 70, 26, 2, 1);
$this->assertEquals(13, $numDataBytes);
$this->assertEquals(22, $numEcBytes);
// Version 7-H. (4 + 1) blocks.
list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']->invoke(null, 196, 66, 5, 0);
$this->assertEquals(13, $numDataBytes);
$this->assertEquals(26, $numEcBytes);
list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']->invoke(null, 196, 66, 5, 4);
$this->assertEquals(14, $numDataBytes);
$this->assertEquals(26, $numEcBytes);
// Version 40-H. (20 + 61) blocks.
list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']->invoke(null, 3706, 1276, 81, 0);
$this->assertEquals(15, $numDataBytes);
$this->assertEquals(30, $numEcBytes);
list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']->invoke(null, 3706, 1276, 81, 20);
$this->assertEquals(16, $numDataBytes);
$this->assertEquals(30, $numEcBytes);
list($numDataBytes, $numEcBytes) = $this->methods['getNumDataBytesAndNumEcBytesForBlockId']->invoke(null, 3706, 1276, 81, 80);
$this->assertEquals(16, $numDataBytes);
$this->assertEquals(30, $numEcBytes);
}
public function testInterleaveWithEcBytes()
{
$dataBytes = SplFixedArray::fromArray(array(32, 65, 205, 69, 41, 220, 46, 128, 236), false);
$in = new BitArray();
foreach ($dataBytes as $dataByte) {
$in->appendBits($dataByte, 8);
}
$outBits = $this->methods['interleaveWithEcBytes']->invoke(null, $in, 26, 9, 1);
$expected = SplFixedArray::fromArray(array(
// Data bytes.
32, 65, 205, 69, 41, 220, 46, 128, 236,
// Error correction bytes.
42, 159, 74, 221, 244, 169, 239, 150, 138, 70, 237, 85, 224, 96, 74, 219, 61,
), false);
$out = $outBits->toBytes(0, count($expected));
$this->assertEquals($expected, $out);
}
public function testAppendNumericBytes()
{
// 1 = 01 = 0001 in 4 bits.
$bits = new BitArray();
$this->methods['appendNumericBytes']->invoke(null, '1', $bits);
$this->assertEquals(' ...X', $bits->__toString());
// 12 = 0xc = 0001100 in 7 bits.
$bits = new BitArray();
$this->methods['appendNumericBytes']->invoke(null, '12', $bits);
$this->assertEquals(' ...XX..', $bits->__toString());
// 123 = 0x7b = 0001111011 in 10 bits.
$bits = new BitArray();
$this->methods['appendNumericBytes']->invoke(null, '123', $bits);
$this->assertEquals(' ...XXXX. XX', $bits->__toString());
// 1234 = "123" + "4" = 0001111011 + 0100 in 14 bits.
$bits = new BitArray();
$this->methods['appendNumericBytes']->invoke(null, '1234', $bits);
$this->assertEquals(' ...XXXX. XX.X..', $bits->__toString());
// Empty
$bits = new BitArray();
$this->methods['appendNumericBytes']->invoke(null, '', $bits);
$this->assertEquals('', $bits->__toString());
}
public function testAppendAlphanumericBytes()
{
$bits = new BitArray();
$this->methods['appendAlphanumericBytes']->invoke(null, 'A', $bits);
$this->assertEquals(' ..X.X.', $bits->__toString());
$bits = new BitArray();
$this->methods['appendAlphanumericBytes']->invoke(null, 'AB', $bits);
$this->assertEquals(' ..XXX..X X.X', $bits->__toString());
$bits = new BitArray();
$this->methods['appendAlphanumericBytes']->invoke(null, 'ABC', $bits);
$this->assertEquals(' ..XXX..X X.X..XX. .', $bits->__toString());
// Empty
$bits = new BitArray();
$this->methods['appendAlphanumericBytes']->invoke(null, '', $bits);
$this->assertEquals('', $bits->__toString());
// Invalid data
$this->setExpectedException('BaconQrCode\Exception\WriterException', 'Invalid alphanumeric code');
$bits = new BitArray();
$this->methods['appendAlphanumericBytes']->invoke(null, 'abc', $bits);
}
public function testAppend8BitBytes()
{
// 0x61, 0x62, 0x63
$bits = new BitArray();
$this->methods['append8BitBytes']->invoke(null, 'abc', $bits, Encoder::DEFAULT_BYTE_MODE_ECODING);
$this->assertEquals(' .XX....X .XX...X. .XX...XX', $bits->__toString());
// Empty
$bits = new BitArray();
$this->methods['append8BitBytes']->invoke(null, '', $bits, Encoder::DEFAULT_BYTE_MODE_ECODING);
$this->assertEquals('', $bits->__toString());
}
public function testAppendKanjiBytes()
{
// Numbers are from page 21 of JISX0510:2004
$bits = new BitArray();
$this->methods['appendKanjiBytes']->invoke(null, "\x93\x5f", $bits);
$this->assertEquals(' .XX.XX.. XXXXX', $bits->__toString());
$this->methods['appendKanjiBytes']->invoke(null, "\xe4\xaa", $bits);
$this->assertEquals(' .XX.XX.. XXXXXXX. X.X.X.X. X.', $bits->__toString());
}
public function testGenerateEcBytes()
{
// Numbers are from http://www.swetake.com/qr/qr3.html and
// http://www.swetake.com/qr/qr9.html
$dataBytes = SplFixedArray::fromArray(array(32, 65, 205, 69, 41, 220, 46, 128, 236), false);
$ecBytes = $this->methods['generateEcBytes']->invoke(null, $dataBytes, 17);
$expected = SplFixedArray::fromArray(array(42, 159, 74, 221, 244, 169, 239, 150, 138, 70, 237, 85, 224, 96, 74, 219, 61), false);
$this->assertEquals($expected, $ecBytes);
$dataBytes = SplFixedArray::fromArray(array(67, 70, 22, 38, 54, 70, 86, 102, 118, 134, 150, 166, 182, 198, 214), false);
$ecBytes = $this->methods['generateEcBytes']->invoke(null, $dataBytes, 18);
$expected = SplFixedArray::fromArray(array(175, 80, 155, 64, 178, 45, 214, 233, 65, 209, 12, 155, 117, 31, 140, 214, 27, 187), false);
$this->assertEquals($expected, $ecBytes);
// High-order zero coefficient case.
$dataBytes = SplFixedArray::fromArray(array(32, 49, 205, 69, 42, 20, 0, 236, 17), false);
$ecBytes = $this->methods['generateEcBytes']->invoke(null, $dataBytes, 17);
$expected = SplFixedArray::fromArray(array(0, 3, 130, 179, 194, 0, 55, 211, 110, 79, 98, 72, 170, 96, 211, 137, 213), false);
$this->assertEquals($expected, $ecBytes);
}
}