public function testBody()
{
$expected = "Part 1";
$result = $this->message->body('Part 1');
$this->assertEqual($expected, $result);
$expected = "Part 1\r\nPart 2";
$result = $this->message->body('Part 2');
$this->assertEqual($expected, $result);
$expected = "Part 1\r\nPart 2\r\nPart 3\r\nPart 4";
$result = $this->message->body(array('Part 3', 'Part 4'));
$this->assertEqual($expected, $result);
$expected = array('Part 1', 'Part 2', 'Part 3', 'Part 4');
$result = $this->message->body;
$this->assertEqual($expected, $result);
}