public function testClear()
{
$block1 = 'block 1';
$block2 = 'block 2';
$block3 = 'block 3';
$this->content->add($block1)->add($block2)->add($block3);
$this->assertEquals(3, $this->content->count());
$this->assertTrue($this->content->clear());
$this->assertEquals(0, $this->content->count());
$this->content->add($block1)->add($block2)->add($block3);
$this->assertEquals(3, $this->content->count());
$this->assertTrue($this->content->clear(0));
$this->assertEquals($block2, $this->content->get(0));
$this->assertTrue($this->content->clear(1));
$this->assertEquals($block2, $this->content->get(0));
$this->assertFalse($this->content->get(1));
$this->assertTrue($this->content->clear(0));
$this->assertFalse($this->content->get(0));
$this->content->add($block1)->add($block2)->add($block3);
$this->assertFalse($this->content->clear(9));
$this->assertFalse($this->content->clear('asdsad'));
$this->assertFalse($this->content->clear(array(1, 2, 3)));
$this->assertFalse($this->content->clear(new StdClass()));
}
