public function testCompressedStream()
{
$dir = $this->createTempDir("ezcArchive_");
// $file = $dir . "/blockfile";
$file = "compress.zlib://" . $dir . "/blockfile";
// Create the file.
// Blocksize = 4.
$bf = new ezcArchiveBlockFile($file, true, 4);
$this->assertFalse($bf->valid());
// Exact 1 block.
$bf->append("abcd");
$this->assertTrue($bf->valid());
$this->assertEquals(0, $bf->key(), "Current block should be 0");
$this->assertEquals(0, $bf->getLastBlockNumber(), "Last block should be 0");
// halve block.
$bf->append("ef");
$this->assertEquals(1, $bf->key(), "Current block should be 1");
$this->assertEquals(1, $bf->getLastBlockNumber(), "Last block should be 1");
// File should contain: abcdef\0\0
$this->assertEquals("abcdef", file_get_contents($file));
$bf->rewind();
$this->assertEquals(0, $bf->key(), "Current block should be 0");
$this->assertEquals("abcd", $bf->current());
$this->assertTrue($bf->valid());
$this->assertEquals(1, $bf->getLastBlockNumber());
try {
$bf->append("ZZ");
$this->fail("Expected an exception that the block could not be appended in the middle");
} catch (ezcArchiveException $e) {
}
$bf->next();
$bf->append("ZZ");
$this->assertEquals(2, $bf->key(), "Current block should be 0");
$this->assertEquals("ZZ", $bf->current());
$this->assertTrue($bf->valid());
$this->assertEquals(2, $bf->getLastBlockNumber());
}
