CharacterStreamTest.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Mime\Tests;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Mime\CharacterStream;
class CharacterStreamTest extends TestCase
{
public function testReadCharactersAreInTact()
{
$stream = new CharacterStream(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE));
$stream->write(pack('C*',
0xD0, 0xBB,
0xD1, 0x8E,
0xD0, 0xB1,
0xD1, 0x8B,
0xD1, 0x85
));
$this->assertSame(pack('C*', 0xD0, 0x94), $stream->read(1));
$this->assertSame(pack('C*', 0xD0, 0xB6, 0xD0, 0xBE), $stream->read(2));
$this->assertSame(pack('C*', 0xD0, 0xBB), $stream->read(1));
$this->assertSame(pack('C*', 0xD1, 0x8E, 0xD0, 0xB1, 0xD1, 0x8B), $stream->read(3));
$this->assertSame(pack('C*', 0xD1, 0x85), $stream->read(1));
$this->assertNull($stream->read(1));
}
public function testCharactersCanBeReadAsByteArrays()
{
$stream = new CharacterStream(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE));
$stream->write(pack('C*',
0xD0, 0xBB,
0xD1, 0x8E,
0xD0, 0xB1,
0xD1, 0x8B,
0xD1, 0x85
));
$this->assertEquals([0xD0, 0x94], $stream->readBytes(1));
$this->assertEquals([0xD0, 0xB6, 0xD0, 0xBE], $stream->readBytes(2));
$this->assertEquals([0xD0, 0xBB], $stream->readBytes(1));
$this->assertEquals([0xD1, 0x8E, 0xD0, 0xB1, 0xD1, 0x8B], $stream->readBytes(3));
$this->assertEquals([0xD1, 0x85], $stream->readBytes(1));
$this->assertNull($stream->readBytes(1));
}
public function testRequestingLargeCharCountPastEndOfStream()
{
$stream = new CharacterStream(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE));
$this->assertSame(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE), $stream->read(100));
$this->assertNull($stream->read(1));
}
public function testRequestingByteArrayCountPastEndOfStream()
{
$stream = new CharacterStream(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE));
$this->assertEquals([0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE], $stream->readBytes(100));
$this->assertNull($stream->readBytes(1));
}
public function testPointerOffsetCanBeSet()
{
$stream = new CharacterStream(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE));
$this->assertSame(pack('C*', 0xD0, 0x94), $stream->read(1));
$stream->setPointer(0);
$this->assertSame(pack('C*', 0xD0, 0x94), $stream->read(1));
$stream->setPointer(2);
$this->assertSame(pack('C*', 0xD0, 0xBE), $stream->read(1));
}
public function testAlgorithmWithFixedWidthCharsets()
{
$stream = new CharacterStream(pack('C*', 0xD1, 0x8D, 0xD0, 0xBB, 0xD0, 0xB0));
$this->assertSame(pack('C*', 0xD1, 0x8D), $stream->read(1));
$this->assertSame(pack('C*', 0xD0, 0xBB), $stream->read(1));
$this->assertSame(pack('C*', 0xD0, 0xB0), $stream->read(1));
$this->assertNull($stream->read(1));
}
}