atk4\data\tests\BusinessModelTest::testFieldAccess PHP Method

    public function testFieldAccess()
    {
        $m = new Model();
        $m->addField('name');
        $m->addField('surname');
        $m['name'] = 5;
        $this->assertEquals(5, $m->get('name'));
        $m->set('surname', 'Bilbo');
        $this->assertEquals(5, $m->get('name'));
        $this->assertEquals('Bilbo', $m->get('surname'));
        $this->assertEquals(['name' => 5, 'surname' => 'Bilbo'], $m->get());
    }