public function testMultiPartMessage()
{
$zmsgo = new Zmsg(self::$outputSocket);
$zmsgo->body_set("Hello");
$zmsgo->wrap("address1", "");
$zmsgo->wrap("address2");
$this->assertEquals($zmsgo->parts(), 4);
$zmsgo->send();
$zmsgi = new Zmsg(self::$inputSocket);
$zmsgi->recv();
$this->assertEquals($zmsgi->parts(), 5);
$zmsgi->unwrap();
$this->assertEquals($zmsgi->unwrap(), "address2");
$zmsgi->body_fmt("%s%s", 'W', "orld");
$this->assertEquals($zmsgi->body(), "World");
// Pull off address 1, check that empty part was dropped
$zmsgi->unwrap();
$this->assertEquals($zmsgi->parts(), 1);
// Check that message body was correctly modified
$part = $zmsgi->pop();
$this->assertEquals($part, "World");
$this->assertEquals($zmsgi->parts(), 0);
}
