public function testBuildPostDataArgSeparator() { $data = array('foo' => 'Hello', 'bar' => 'World'); foreach (array(false, '&', '&') as $arg_separator) { if ($arg_separator) { ini_set('arg_separator.output', $arg_separator); } $curl = new Curl(); $this->assertEquals('foo=Hello&bar=World', $curl->buildPostData($data)); } }