    public function testAddsSlashForRelativeUriStringWithHost()
    {
        $uri = (new Uri)->withPath('foo')->withHost('bar.com');
        $this->assertEquals('foo', $uri->getPath());
        $this->assertEquals('bar.com/foo', (string) $uri);
    }
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.