public function testIntegration()
{
$syntax = new Syntax();
$syntax->meta = "foo";
$syntax->title = "bar";
$it = $syntax->getIterator();
$this->assertEquals(0, $it->count());
$this->assertFalse($it->offsetExists(0));
$rule1 = new Rule($syntax);
$this->assertSame($syntax, $rule1->getParent());
$rule1->name = "first";
$syntax->addChild($rule1);
$it = $syntax->getIterator();
$this->assertEquals(1, $it->count());
$this->assertTrue($it->offsetExists(0));
$this->assertSame($rule1, $it->offsetGet(0));
$rule2 = new Rule($syntax);
$rule2->name = "second";
$this->assertSame($syntax, $rule1->getParent());
$syntax->addChild($rule2);
$it = $syntax->getIterator();
$this->assertEquals(2, $it->count());
$this->assertTrue($it->offsetExists(0));
$this->assertSame($rule1, $it->offsetGet(0));
$this->assertTrue($it->offsetExists(1));
$this->assertSame($rule2, $it->offsetGet(1));
}
