use markdown::to_html;
use pretty_assertions::assert_eq;

#[test]
fn zero() {
    assert_eq!(to_html(""), "", "should support no markdown");

    assert_eq!(
        to_html("asd\0asd"),
        "<p>asd�asd</p>",
        "should replace `\\0` w/ a replacement characters (`�`)"
    );

    assert_eq!(
        to_html("&#0;"),
        "<p>�</p>",
        "should replace NUL in a character reference"
    );

    // This doesn’t make sense in markdown, as character escapes only work on
    // ascii punctuation, but it’s good to demonstrate the behavior.
    assert_eq!(
        to_html("\\0"),
        "<p>\\0</p>",
        "should not support NUL in a character escape"
    );
}