function testAssign()
{
$foo = \arc\prototype::create(['bar' => 'Bar']);
$bar = \arc\prototype::extend($foo, ['foo' => 'Foo']);
$zod = \arc\prototype::create(['zod' => 'Zod']);
$zed = \arc\prototype::create(['zed' => 'Zed']);
$zoom = \arc\prototype::assign($zod, $bar, $zed);
$this->assertEquals($zoom->bar, $foo->bar);
$this->assertEquals($zoom->zod, $zod->zod);
}