public function childHandling()
{
$mockChild = $this->getMock('org\\bovigo\\vfs\\vfsStreamContent');
$mockChild->expects($this->any())->method('getType')->will($this->returnValue(vfsStreamContent::TYPE_FILE));
$mockChild->expects($this->any())->method('getName')->will($this->returnValue('bar'));
$mockChild->expects($this->any())->method('appliesTo')->with($this->equalTo('bar'))->will($this->returnValue(true));
$mockChild->expects($this->once())->method('size')->will($this->returnValue(5));
$this->dir->addChild($mockChild);
$this->assertTrue($this->dir->hasChild('bar'));
$bar = $this->dir->getChild('bar');
$this->assertSame($mockChild, $bar);
$this->assertEquals(array($mockChild), $this->dir->getChildren());
$this->assertEquals(0, $this->dir->size());
$this->assertEquals(5, $this->dir->sizeSummarized());
$this->assertTrue($this->dir->removeChild('bar'));
$this->assertEquals(array(), $this->dir->getChildren());
$this->assertEquals(0, $this->dir->size());
$this->assertEquals(0, $this->dir->sizeSummarized());
}