empty-read.rs - mozsearch

use std::io::{Read, Write};

#[test]

fn deflate_decoder_empty_read() {

    let original: &[u8] = b"Lorem ipsum dolor sit amet.";

    let mut encoder =

        flate2::write::DeflateEncoder::new(Vec::new(), flate2::Compression::default());

    encoder.write_all(original).unwrap();

    let encoded: Vec<u8> = encoder.finish().unwrap();

    let mut decoder = flate2::read::DeflateDecoder::new(encoded.as_slice());

    assert_eq!(decoder.read(&mut []).unwrap(), 0);

    let mut decoded = Vec::new();

    decoder.read_to_end(&mut decoded).unwrap();

    assert_eq!(decoded.as_slice(), original);

#[test]

fn deflate_encoder_empty_read() {

    let original: &[u8] = b"Lorem ipsum dolor sit amet.";

    let mut encoder = flate2::read::DeflateEncoder::new(original, flate2::Compression::default());

    assert_eq!(encoder.read(&mut []).unwrap(), 0);

    let mut encoded = Vec::new();

    encoder.read_to_end(&mut encoded).unwrap();

    let mut decoder = flate2::read::DeflateDecoder::new(encoded.as_slice());

    let mut decoded = Vec::new();

    decoder.read_to_end(&mut decoded).unwrap();

    assert_eq!(decoded.as_slice(), original);

#[test]

fn gzip_decoder_empty_read() {

    let original: &[u8] = b"Lorem ipsum dolor sit amet.";

    let mut encoder = flate2::write::GzEncoder::new(Vec::new(), flate2::Compression::default());

    encoder.write_all(original).unwrap();

    let encoded: Vec<u8> = encoder.finish().unwrap();

    let mut decoder = flate2::read::GzDecoder::new(encoded.as_slice());

    assert_eq!(decoder.read(&mut []).unwrap(), 0);

    let mut decoded = Vec::new();

    decoder.read_to_end(&mut decoded).unwrap();

    assert_eq!(decoded.as_slice(), original);

#[test]

fn gzip_encoder_empty_read() {

    let original: &[u8] = b"Lorem ipsum dolor sit amet.";

    let mut encoder = flate2::read::GzEncoder::new(original, flate2::Compression::default());

    assert_eq!(encoder.read(&mut []).unwrap(), 0);

    let mut encoded = Vec::new();

    encoder.read_to_end(&mut encoded).unwrap();

    let mut decoder = flate2::read::GzDecoder::new(encoded.as_slice());

    let mut decoded = Vec::new();

    decoder.read_to_end(&mut decoded).unwrap();

    assert_eq!(decoded.as_slice(), original);

#[test]

fn zlib_decoder_empty_read() {

    let original: &[u8] = b"Lorem ipsum dolor sit amet.";

    let mut encoder = flate2::write::ZlibEncoder::new(Vec::new(), flate2::Compression::default());

    encoder.write_all(original).unwrap();

    let encoded: Vec<u8> = encoder.finish().unwrap();

    let mut decoder = flate2::read::ZlibDecoder::new(encoded.as_slice());

    assert_eq!(decoder.read(&mut []).unwrap(), 0);

    let mut decoded = Vec::new();

    decoder.read_to_end(&mut decoded).unwrap();

    assert_eq!(decoded.as_slice(), original);

#[test]

fn zlib_encoder_empty_read() {

    let original: &[u8] = b"Lorem ipsum dolor sit amet.";

    let mut encoder = flate2::read::ZlibEncoder::new(original, flate2::Compression::default());

    assert_eq!(encoder.read(&mut []).unwrap(), 0);

    let mut encoded = Vec::new();

    encoder.read_to_end(&mut encoded).unwrap();

    let mut decoder = flate2::read::ZlibDecoder::new(encoded.as_slice());

    let mut decoded = Vec::new();

    decoder.read_to_end(&mut decoded).unwrap();

    assert_eq!(decoded.as_slice(), original);