public function testBitArray()
{
/**
* Test the bit array using the binary data
* 10000000 11111111 110
*/
$array = new BitArray(19);
for ($i = 0; $i < 19; $i++) {
$this->assertEquals(0, $array[$i]);
if ($i == 0 || $i > 7 && $i < 18) {
$array[$i] = 1;
} else {
$array[$i] = 0;
}
}
for ($i = 0; $i < 19; $i++) {
if ($i == 0 || $i > 7 && $i < 18) {
$this->assertEquals(1, $array[$i]);
} else {
$this->assertEquals(0, $array[$i]);
}
}
// double-check the internal representation
$vals = unpack("C*", $array->getData());
$this->assertEquals(1, $vals[1]);
$this->assertEquals(255, $vals[2]);
$this->assertEquals(3, $vals[3]);
// exercise the BitStreamReader and BitStreamWriter a bit
$writer = new BitStreamWriter();
foreach ($array as $bit) {
$writer->writeBit($bit);
}
$reader = new BitStreamReader($writer->getData());
foreach ($array as $bit) {
$this->assertEquals($bit, $reader->readBit());
}
}
/**
* To initialize, provide string data containing the bits
*/
public function __construct($data)
{
$this->dataArray = BitArray::load($data);
}