#[cfg(test)]
mod tests {
use super::super::{level_two_sections, wrap_text};
#[test]
fn wrap_text_breaks_lines_at_the_width() {
assert_eq!(
wrap_text("one two three four", 9),
vec!["one two", "three", "four"]
);
}
#[test]
fn wrap_text_keeps_an_overlong_word_on_its_own_line() {
assert_eq!(
wrap_text("a verylongword b", 4),
vec!["a", "verylongword", "b"]
);
}
#[test]
fn wrap_text_of_blank_text_is_empty() {
assert!(wrap_text(" ", 10).is_empty());
}
#[test]
fn level_two_sections_start_at_each_level_two_heading() {
assert_eq!(
level_two_sections("# Title\n\nIntro.\n\n## One\n\nBody.\n\n### Sub\n\n## Two\n"),
vec!["## One\n\nBody.\n\n### Sub\n\n", "## Two\n"]
);
}
#[test]
fn level_two_sections_of_text_without_one_is_empty() {
assert!(level_two_sections("# Title\n\nIntro.\n").is_empty());
}
}