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pub mod decompress;
pub mod compress;
pub mod prelude {
pub use crate::decompress::decompress;
pub use crate::compress::compress;
}
#[cfg(test)]
mod tests {
use std::str;
use crate::prelude::*;
fn inverse(s: &str) {
let compressed = compress(s.as_bytes());
println!("Compressed '{}' into {:?}", s, compressed);
let decompressed = decompress(&compressed).unwrap();
println!("Decompressed it into {:?}", str::from_utf8(&decompressed).unwrap());
assert_eq!(decompressed, s.as_bytes());
}
#[test]
fn shakespear() {
inverse("to live or not to live");
inverse("Love is a wonderful terrible thing");
inverse("There is nothing either good or bad, but thinking makes it so.");
inverse("I burn, I pine, I perish.");
}
#[test]
fn save_the_pandas() {
inverse("To cute to die! Save the red panda!");
inverse("You are 60% water. Save 60% of yourself!");
inverse("Save water, it doesn't grow on trees.");
inverse("The panda bear has an amazing black-and-white fur.");
inverse("The average panda eats as much as 9 to 14 kg of bamboo shoots a day.");
inverse("The Empress Dowager Bo was buried with a panda skull in her vault");
}
#[test]
fn not_compressible() {
inverse("as6yhol.;jrew5tyuikbfewedfyjltre22459ba");
inverse("jhflkdjshaf9p8u89ybkvjsdbfkhvg4ut08yfrr");
}
#[test]
fn short() {
inverse("ahhd");
inverse("ahd");
inverse("x-29");
inverse("x");
inverse("k");
inverse(".");
inverse("ajsdh");
}
#[test]
fn empty_string() {
inverse("");
}
#[test]
fn nulls() {
inverse("\0\0\0\0\0\0\0\0\0\0\0\0\0");
}
#[test]
fn compression_works() {
let s = "The Read trait allows for reading bytes from a source. Implementors of the Read trait are called 'readers'. Readers are defined by one required method, read().";
inverse(s);
assert!(compress(s.as_bytes()).len() < s.len());
}
#[test]
fn big_compression() {
let mut s = Vec::with_capacity(80_000000);
for n in 0..80_000000 {
s.push((n as u8).wrapping_mul(0xA).wrapping_add(33) ^ 0xA2);
}
assert_eq!(&decompress(&compress(&s)).unwrap(), &s);
}
}