/**
* Base functionality tested in {@link SiteTreeTest->testAllowedChildrenValidation()}.
*/
function testAllowedChildrenLimitedOnVirtualPages()
{
$classA = new SiteTreeTest_ClassA();
$classA->write();
$classB = new SiteTreeTest_ClassB();
$classB->write();
$classBVirtual = new VirtualPage();
$classBVirtual->CopyContentFromID = $classB->ID;
$classBVirtual->write();
$classC = new SiteTreeTest_ClassC();
$classC->write();
$classCVirtual = new VirtualPage();
$classCVirtual->CopyContentFromID = $classC->ID;
$classCVirtual->write();
$classBVirtual->ParentID = $classA->ID;
$valid = $classBVirtual->validate();
$this->assertTrue($valid->valid(), "Does allow child linked to virtual page type allowed by parent");
$classCVirtual->ParentID = $classA->ID;
$valid = $classCVirtual->validate();
$this->assertFalse($valid->valid(), "Doesn't allow child linked to virtual page type disallowed by parent");
}