assertSetCookieHeader example

$headers = ['foo' => 'bar'];
        $bag1 = new ResponseHeaderBag($headers);
        $bag2 = new ResponseHeaderBag($bag1->allPreserveCase());
        $this->assertEquals($bag1->allPreserveCase(), $bag2->allPreserveCase());
    }

    public function testToStringIncludesCookieHeaders()
    {
        $bag = new ResponseHeaderBag([]);
        $bag->setCookie(Cookie::create('foo', 'bar'));

        $this->assertSetCookieHeader('foo=bar; path=/; httponly; samesite=lax', $bag);

        $bag->clearCookie('foo');

        $this->assertSetCookieHeader('foo=deleted; expires='.gmdate('D, d M Y H:i:s T', time() - 31536001).'; Max-Age=0; path=/; httponly', $bag);
    }

    public function testClearCookieSecureNotHttpOnly()
    {
        $bag = new ResponseHeaderBag([]);

        $bag->clearCookie('foo', '/', null, true, false);