#[test]
fn basic() {
    let input = "Portable Network Graphics";
    let output = acronym::abbreviate(input);
    let expected = "PNG";
    assert_eq!(output, expected);
}

#[test]
fn lowercase_words() {
    let input = "Ruby on Rails";
    let output = acronym::abbreviate(input);
    let expected = "ROR";
    assert_eq!(output, expected);
}

#[test]
fn punctuation() {
    let input = "First In, First Out";
    let output = acronym::abbreviate(input);
    let expected = "FIFO";
    assert_eq!(output, expected);
}

#[test]
fn all_caps_word() {
    let input = "GNU Image Manipulation Program";
    let output = acronym::abbreviate(input);
    let expected = "GIMP";
    assert_eq!(output, expected);
}

#[test]
fn punctuation_without_whitespace() {
    let input = "Complementary metal-oxide semiconductor";
    let output = acronym::abbreviate(input);
    let expected = "CMOS";
    assert_eq!(output, expected);
}

#[test]
fn very_long_abbreviation() {
    let input = "Rolling On The Floor Laughing So Hard That My Dogs Came Over And Licked Me";
    let output = acronym::abbreviate(input);
    let expected = "ROTFLSHTMDCOALM";
    assert_eq!(output, expected);
}

#[test]
fn consecutive_delimiters() {
    let input = "Something - I made up from thin air";
    let output = acronym::abbreviate(input);
    let expected = "SIMUFTA";
    assert_eq!(output, expected);
}

#[test]
fn apostrophes() {
    let input = "Halley's Comet";
    let output = acronym::abbreviate(input);
    let expected = "HC";
    assert_eq!(output, expected);
}

#[test]
fn underscore_emphasis() {
    let input = "The Road _Not_ Taken";
    let output = acronym::abbreviate(input);
    let expected = "TRNT";
    assert_eq!(output, expected);
}

#[test]
fn camelcase() {
    let input = "HyperText Markup Language";
    let output = acronym::abbreviate(input);
    let expected = "HTML";
    assert_eq!(output, expected);
}