atk4\data\tests\TypecastingTest::testIntegerSave PHP Method

    public function testIntegerSave()
    {
        $db = new Persistence_SQL($this->db->connection);
        $m = new Model($db, ['table' => 'types']);
        $m->addField('i', ['type' => 'integer']);
        $m->data['i'] = 1;
        $this->assertSame([], $m->dirty);
        $m['i'] = '1';
        $this->assertSame([], $m->dirty);
        $m['i'] = '2';
        $this->assertSame(['i' => 1], $m->dirty);
        $m['i'] = '1';
        $this->assertSame([], $m->dirty);
        // same test without type integer
        $m = new Model($db, ['table' => 'types']);
        $m->addField('i');
        $m->data['i'] = 1;
        $this->assertSame([], $m->dirty);
        $m['i'] = '1';
        $this->assertSame(1, $m->dirty['i']);
        $m['i'] = '2';
        $this->assertSame(1, $m->dirty['i']);
        $m['i'] = '1';
        $this->assertSame(1, $m->dirty['i']);
        $m['i'] = 1;
        $this->assertSame([], $m->dirty);
    }