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// Take a look at the license at the top of the repository in the LICENSE file.
extern crate minifier;
use std::ops::Range;
fn get_ranges(pos: usize, s: &str) -> Range<usize> {
let mut start = pos;
let mut end = pos;
if start >= 20 {
start -= 20;
} else {
start = 0;
}
if end < s.len() - 20 {
end += 20;
} else {
end = s.len();
}
start..end
}
fn compare_strs(minified: &str, str2: &str) {
let mut it1 = minified.char_indices();
let mut it2 = str2.char_indices();
loop {
match (it1.next(), it2.next()) {
(Some((pos, c1)), Some((_, c2))) => {
if c1 != c2 {
println!(
"{}\n==== differs from: ====\n{}",
&minified[get_ranges(pos, minified)],
&str2[get_ranges(pos, str2)]
);
panic!("Chars differ");
}
}
(None, Some((pos, _))) => {
println!("missing: {}...", &str2[get_ranges(pos + 20, str2)]);
panic!("Missing parts of minified content");
}
(Some((pos, _)), None) => {
println!("extra: {}...", &minified[get_ranges(pos + 20, minified)]);
panic!("Extra part in minified content");
}
(None, None) => {
break;
}
}
}
}
#[test]
fn test_minification() {
use minifier::js::minify;
let source = include_str!("./files/main.js");
let expected_result = include_str!("./files/minified_main.js");
compare_strs(&minify(source).to_string(), expected_result);
}
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