public function testRemovesReadDataFromBuffer()
{
$b = new BufferStream();
$this->assertEquals(3, $b->write('foo'));
$this->assertEquals(3, $b->getSize());
$this->assertFalse($b->eof());
$this->assertEquals('foo', $b->read(10));
$this->assertTrue($b->eof());
$this->assertEquals('', $b->read(10));
}
public function testBeginsDroppingWhenSizeExceeded()
{
$stream = new BufferStream();
$drop = new DroppingStream($stream, 5);
$this->assertEquals(3, $drop->write('hel'));
$this->assertEquals(2, $drop->write('lo'));
$this->assertEquals(5, $drop->getSize());
$this->assertEquals('hello', $drop->read(5));
$this->assertEquals(0, $drop->getSize());
$drop->write('12345678910');
$this->assertEquals(5, $stream->getSize());
$this->assertEquals(5, $drop->getSize());
$this->assertEquals('12345', (string) $drop);
$this->assertEquals(0, $drop->getSize());
$drop->write('hello');
$this->assertSame(0, $drop->write('test'));
}
