Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

vendor/flate2/tests/early-flush.rs

@@ -0,0 +1,18 @@
+use std::io::{Read, Write};
+
+use flate2::read::GzDecoder;
+use flate2::write::GzEncoder;
+
+#[test]
+fn smoke() {
+    let mut w = GzEncoder::new(Vec::new(), flate2::Compression::default());
+    w.flush().unwrap();
+    w.write_all(b"hello").unwrap();
+
+    let bytes = w.finish().unwrap();
+
+    let mut r = GzDecoder::new(&bytes[..]);
+    let mut s = String::new();
+    r.read_to_string(&mut s).unwrap();
+    assert_eq!(s, "hello");
+}

vendor/flate2/tests/empty-read.rs

@@ -0,0 +1,80 @@
+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);
+}

vendor/flate2/tests/good-file.txt

@@ -0,0 +1,733 @@
+##	##
+timestep	simulated EIR	patent hosts
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vendor/flate2/tests/gunzip.rs

@@ -0,0 +1,75 @@
+use flate2::read::GzDecoder;
+use flate2::read::MultiGzDecoder;
+use std::fs::File;
+use std::io::prelude::*;
+use std::io::{self, BufReader};
+use std::path::Path;
+
+// test extraction of a gzipped file
+#[test]
+fn test_extract_success() {
+    let content = extract_file(Path::new("tests/good-file.gz")).unwrap();
+    let mut expected = Vec::new();
+    File::open("tests/good-file.txt")
+        .unwrap()
+        .read_to_end(&mut expected)
+        .unwrap();
+    assert_eq!(content, expected);
+}
+//
+// test partial extraction of a multistream gzipped file
+#[test]
+fn test_extract_success_partial_multi() {
+    let content = extract_file(Path::new("tests/multi.gz")).unwrap();
+    let mut expected = String::new();
+    BufReader::new(File::open("tests/multi.txt").unwrap())
+        .read_line(&mut expected)
+        .unwrap();
+    assert_eq!(content, expected.as_bytes());
+}
+
+// test extraction fails on a corrupt file
+#[test]
+fn test_extract_failure() {
+    let result = extract_file(Path::new("tests/corrupt-gz-file.bin"));
+    assert_eq!(result.err().unwrap().kind(), io::ErrorKind::InvalidInput);
+}
+
+//test complete extraction of a multistream gzipped file
+#[test]
+fn test_extract_success_multi() {
+    let content = extract_file_multi(Path::new("tests/multi.gz")).unwrap();
+    let mut expected = Vec::new();
+    File::open("tests/multi.txt")
+        .unwrap()
+        .read_to_end(&mut expected)
+        .unwrap();
+    assert_eq!(content, expected);
+}
+
+// Tries to extract path into memory (assuming a .gz file).
+fn extract_file(path_compressed: &Path) -> io::Result<Vec<u8>> {
+    let mut v = Vec::new();
+    let f = File::open(path_compressed)?;
+    GzDecoder::new(f).read_to_end(&mut v)?;
+    Ok(v)
+}
+
+// Tries to extract path into memory (decompressing all members in case
+// of a multi member .gz file).
+fn extract_file_multi(path_compressed: &Path) -> io::Result<Vec<u8>> {
+    let mut v = Vec::new();
+    let f = File::open(path_compressed)?;
+    MultiGzDecoder::new(f).read_to_end(&mut v)?;
+    Ok(v)
+}
+
+#[test]
+fn empty_error_once() {
+    let data: &[u8] = &[];
+    let cbjson = GzDecoder::new(data);
+    let reader = BufReader::new(cbjson);
+    let mut stream = reader.lines();
+    assert!(stream.next().unwrap().is_err());
+    assert!(stream.next().is_none());
+}

vendor/flate2/tests/multi.txt

@@ -0,0 +1,2 @@
+first
+second

vendor/flate2/tests/zero-write.rs

@@ -0,0 +1,6 @@
+#[test]
+fn zero_write_is_error() {
+    let mut buf = [0u8];
+    let writer = flate2::write::DeflateEncoder::new(&mut buf[..], flate2::Compression::default());
+    assert!(writer.finish().is_err());
+}