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<?php
require "tests.php";
// No new functions
check::functions(array());
check::classes(array('Bar', 'Foo_integers'));
// No new vars
check::globals(array());
// Test base class functionality
$barObj = new Bar();
// Bar::meth should return a Foo_integers instance
$fooIntsObj = $barObj->meth();
check::equal(get_class($fooIntsObj), "Foo_integers", "wrong class");
check::equal($fooIntsObj->meth(42) , 42, "Foo_integers::meth(n) should return n");
//
// Now subclass Foo_integers, but override its virtual method
// meth(n) so that it returns the number plus one.
//
class MyFooInts extends Foo_integers {
function meth($n) {
return $n + 1;
}
}
//
// Subclass Bar and override its virtual method meth()
// so that it returns a new MyFooInts instance instead of
// a Foo_integers instance.
//
class MyBar extends Bar {
function meth() {
return new MyFooInts();
}
}
//
// Now repeat previous tests:
//
// Create a MyBar instance...
//
$barObj = new MyBar();
// MyBar::meth should return a MyFooInts instance
$fooIntsObj = $barObj->meth();
check::equal(get_class($fooIntsObj), "MyFooInts", "wrong class");
check::equal($fooIntsObj->meth(42) , 43, "MyFooInts::meth(n) should return n + 1");
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