GuzzleHttp\Tests\Psr7\UriTest::testWithFragmentEncodesProperly PHP Method

    public function testWithFragmentEncodesProperly()
    {
        $uri = (new Uri())->withFragment('#€?/b%61r');
        // A fragment starting with a "#" is valid and must not be magically removed. Otherwise it would be impossible to
        // construct such an URI. Also the "?" and "/" does not need to be encoded in the fragment.
        $this->assertSame('%23%E2%82%AC?/b%61r', $uri->getFragment());
        $this->assertSame('#%23%E2%82%AC?/b%61r', (string) $uri);
    }