public function testGetHeaderLinesUsesGlue()
{
$this->mock->setHeaders(array('a' => 'b', 'c' => 'd'));
$this->mock->addHeader('a', 'e');
$this->mock->getHeader('a')->setGlue('!');
$this->assertEquals(array('a: b! e', 'c: d'), $this->mock->getHeaderLines());
}
