Zlib compression broken

Zlib compression is broken. This means large payloads are never compressed on the network.

class Compression extends CouchbaseTestCommon {
    function testCompression() {
        
        if (!extension_loaded('zlib')) {
            $this->markTestSkipped("Need Zlib extension");
        }
        
        $h = make_handle();
        $hnc = make_handle();
        
        $curcomp = couchbase_get_option($h, COUCHBASE_OPT_COMPRESSION);
        $this->assertEquals(COUCHBASE::COMPRESSION_NONE, $curcomp);
        
        couchbase_set_option($h, COUCHBASE_OPT_COMPRESSION,
                             COUCHBASE::COMPRESSION_ZLIB);
        $curcomp = couchbase_get_option($h, COUCHBASE_OPT_COMPRESSION);
        $this->assertEquals(COUCHBASE_COMPRESSION_ZLIB, $curcomp);
        
        couchbase_set_option($hnc, COUCHBASE_OPT_COMPRESSION,
                             COUCHBASE::COMPRESSION_NONE);
        
        $inikey = "couchbase.compression_threshold";
        $this->assertGreaterThan(0, ini_get($inikey));
        $this->assertTrue((bool)ini_alter($inikey,"10"));
        $this->assertEquals(10, ini_get($inikey));
        
        # Set a compressed value
        $v = str_repeat("long_value", 500);
        $ol = strlen($v);
        //$key = $this->mk_key();
        $key = "compressed_data";
        
        $rv = couchbase_set($h, $key, $v);
        $this->assertNotEmpty($rv);
        
        
        $comp = couchbase_get_option($h, COUCHBASE_OPT_COMPRESSION);
        print $comp . "\n";
        
        # Hack, append resets the flags, clearing the compression state.
        $rv = couchbase_append($hnc, $key, '_');
        $this->assertNotEmpty($rv);
        
        $ret = couchbase_get($hnc, $key);
        $this->assertNotNull($ret);
        $this->assertLessThan($ol, strlen($ret));
    }
}