public function testSetsIntegersAndFloatsAsHeaders()
 {
     $h = new puzzle_message_Request('GET', 'http://foo.com');
     $h->setHeader('foo', 10);
     $h->setHeader('bar', 10.5);
     $h->addHeader('foo', 10);
     $h->addHeader('bar', 10.5);
     $this->assertSame('10, 10', $h->getHeader('foo'));
     $this->assertSame('10.5, 10.5', $h->getHeader('bar'));
 }