/**
* @depends testInitialState
* @return null
*/
public function testSetBase()
{
$this->assertNull($this->head->getBaseTag());
$this->assertSame($this->head, $this->head->setBase('my-ref'));
$tag = $this->factory->createBaseTag('my-ref');
$this->assertEquals($tag, $this->head->getBaseTag());
$this->assertSame($this->head, $this->head->setBase(null, 'my-target'));
$tag = $this->factory->createBaseTag(null, 'my-target');
$this->assertEquals($tag, $this->head->getBaseTag());
$this->assertSame($this->head, $this->head->setBase('ref', 'target'));
$tag = $this->factory->createBaseTag('ref', 'target');
$this->assertEquals($tag, $this->head->getBaseTag());
}
