Link: http://example.com/.

With an ampersand: http://example.com/?foo=1&bar=2

Link with (brackets)

An example https link: https://www.example.com without a final slash

Brackets appearing (without the presence of a link)

Inside the link description, can we have emphasised, or strong text?

A test of context-sensitive whitespace swallowing: (there should be no whitespace before the full-stop).

A test of unterminated paren_descriptors: http://www.example.com ((Technically should be invalid?)

Link followed by confusing emoticon http://www.example.com (-:

Blockquoted: http://example.com/

Auto-links should not occur here: <http://example.com/>

or here: <http://example.com/>