| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/flate2-1.0.26/src/deflate/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../flate2/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../flate2/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="kw">pub mod </span>bufread; |
| <span class="kw">pub mod </span>read; |
| <span class="kw">pub mod </span>write; |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>tests { |
| <span class="kw">use </span>std::io::prelude::<span class="kw-2">*</span>; |
| |
| <span class="kw">use </span>rand::{thread_rng, Rng}; |
| |
| <span class="kw">use super</span>::{read, write}; |
| <span class="kw">use </span><span class="kw">crate</span>::Compression; |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>roundtrip() { |
| <span class="kw">let </span><span class="kw-2">mut </span>real = Vec::new(); |
| <span class="kw">let </span><span class="kw-2">mut </span>w = write::DeflateEncoder::new(Vec::new(), Compression::default()); |
| <span class="kw">let </span>v = <span class="kw">crate</span>::random_bytes().take(<span class="number">1024</span>).collect::<Vec<<span class="kw">_</span>>>(); |
| <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">200 </span>{ |
| <span class="kw">let </span>to_write = <span class="kw-2">&</span>v[..thread_rng().gen_range(<span class="number">0</span>..v.len())]; |
| real.extend(to_write.iter().copied()); |
| w.write_all(to_write).unwrap(); |
| } |
| <span class="kw">let </span>result = w.finish().unwrap(); |
| <span class="kw">let </span><span class="kw-2">mut </span>r = read::DeflateDecoder::new(<span class="kw-2">&</span>result[..]); |
| <span class="kw">let </span><span class="kw-2">mut </span>ret = Vec::new(); |
| r.read_to_end(<span class="kw-2">&mut </span>ret).unwrap(); |
| <span class="macro">assert_eq!</span>(ret, real); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>drop_writes() { |
| <span class="kw">let </span><span class="kw-2">mut </span>data = Vec::new(); |
| write::DeflateEncoder::new(<span class="kw-2">&mut </span>data, Compression::default()) |
| .write_all(<span class="string">b"foo"</span>) |
| .unwrap(); |
| <span class="kw">let </span><span class="kw-2">mut </span>r = read::DeflateDecoder::new(<span class="kw-2">&</span>data[..]); |
| <span class="kw">let </span><span class="kw-2">mut </span>ret = Vec::new(); |
| r.read_to_end(<span class="kw-2">&mut </span>ret).unwrap(); |
| <span class="macro">assert_eq!</span>(ret, <span class="string">b"foo"</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>total_in() { |
| <span class="kw">let </span><span class="kw-2">mut </span>real = Vec::new(); |
| <span class="kw">let </span><span class="kw-2">mut </span>w = write::DeflateEncoder::new(Vec::new(), Compression::default()); |
| <span class="kw">let </span>v = <span class="kw">crate</span>::random_bytes().take(<span class="number">1024</span>).collect::<Vec<<span class="kw">_</span>>>(); |
| <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">200 </span>{ |
| <span class="kw">let </span>to_write = <span class="kw-2">&</span>v[..thread_rng().gen_range(<span class="number">0</span>..v.len())]; |
| real.extend(to_write.iter().copied()); |
| w.write_all(to_write).unwrap(); |
| } |
| <span class="kw">let </span><span class="kw-2">mut </span>result = w.finish().unwrap(); |
| |
| <span class="kw">let </span>result_len = result.len(); |
| |
| <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">200 </span>{ |
| result.extend(v.iter().copied()); |
| } |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>r = read::DeflateDecoder::new(<span class="kw-2">&</span>result[..]); |
| <span class="kw">let </span><span class="kw-2">mut </span>ret = Vec::new(); |
| r.read_to_end(<span class="kw-2">&mut </span>ret).unwrap(); |
| <span class="macro">assert_eq!</span>(ret, real); |
| <span class="macro">assert_eq!</span>(r.total_in(), result_len <span class="kw">as </span>u64); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>roundtrip2() { |
| <span class="kw">let </span>v = <span class="kw">crate</span>::random_bytes().take(<span class="number">1024 </span>* <span class="number">1024</span>).collect::<Vec<<span class="kw">_</span>>>(); |
| <span class="kw">let </span><span class="kw-2">mut </span>r = |
| read::DeflateDecoder::new(read::DeflateEncoder::new(<span class="kw-2">&</span>v[..], Compression::default())); |
| <span class="kw">let </span><span class="kw-2">mut </span>ret = Vec::new(); |
| r.read_to_end(<span class="kw-2">&mut </span>ret).unwrap(); |
| <span class="macro">assert_eq!</span>(ret, v); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>roundtrip3() { |
| <span class="kw">let </span>v = <span class="kw">crate</span>::random_bytes().take(<span class="number">1024 </span>* <span class="number">1024</span>).collect::<Vec<<span class="kw">_</span>>>(); |
| <span class="kw">let </span><span class="kw-2">mut </span>w = write::DeflateEncoder::new( |
| write::DeflateDecoder::new(Vec::new()), |
| Compression::default(), |
| ); |
| w.write_all(<span class="kw-2">&</span>v).unwrap(); |
| <span class="kw">let </span>w = w.finish().unwrap().finish().unwrap(); |
| <span class="macro">assert_eq!</span>(w, v); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>reset_writer() { |
| <span class="kw">let </span>v = <span class="kw">crate</span>::random_bytes().take(<span class="number">1024 </span>* <span class="number">1024</span>).collect::<Vec<<span class="kw">_</span>>>(); |
| <span class="kw">let </span><span class="kw-2">mut </span>w = write::DeflateEncoder::new(Vec::new(), Compression::default()); |
| w.write_all(<span class="kw-2">&</span>v).unwrap(); |
| <span class="kw">let </span>a = w.reset(Vec::new()).unwrap(); |
| w.write_all(<span class="kw-2">&</span>v).unwrap(); |
| <span class="kw">let </span>b = w.finish().unwrap(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>w = write::DeflateEncoder::new(Vec::new(), Compression::default()); |
| w.write_all(<span class="kw-2">&</span>v).unwrap(); |
| <span class="kw">let </span>c = w.finish().unwrap(); |
| <span class="macro">assert!</span>(a == b && b == c); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>reset_reader() { |
| <span class="kw">let </span>v = <span class="kw">crate</span>::random_bytes().take(<span class="number">1024 </span>* <span class="number">1024</span>).collect::<Vec<<span class="kw">_</span>>>(); |
| <span class="kw">let </span>(<span class="kw-2">mut </span>a, <span class="kw-2">mut </span>b, <span class="kw-2">mut </span>c) = (Vec::new(), Vec::new(), Vec::new()); |
| <span class="kw">let </span><span class="kw-2">mut </span>r = read::DeflateEncoder::new(<span class="kw-2">&</span>v[..], Compression::default()); |
| r.read_to_end(<span class="kw-2">&mut </span>a).unwrap(); |
| r.reset(<span class="kw-2">&</span>v[..]); |
| r.read_to_end(<span class="kw-2">&mut </span>b).unwrap(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>r = read::DeflateEncoder::new(<span class="kw-2">&</span>v[..], Compression::default()); |
| r.read_to_end(<span class="kw-2">&mut </span>c).unwrap(); |
| <span class="macro">assert!</span>(a == b && b == c); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>reset_decoder() { |
| <span class="kw">let </span>v = <span class="kw">crate</span>::random_bytes().take(<span class="number">1024 </span>* <span class="number">1024</span>).collect::<Vec<<span class="kw">_</span>>>(); |
| <span class="kw">let </span><span class="kw-2">mut </span>w = write::DeflateEncoder::new(Vec::new(), Compression::default()); |
| w.write_all(<span class="kw-2">&</span>v).unwrap(); |
| <span class="kw">let </span>data = w.finish().unwrap(); |
| |
| { |
| <span class="kw">let </span>(<span class="kw-2">mut </span>a, <span class="kw-2">mut </span>b, <span class="kw-2">mut </span>c) = (Vec::new(), Vec::new(), Vec::new()); |
| <span class="kw">let </span><span class="kw-2">mut </span>r = read::DeflateDecoder::new(<span class="kw-2">&</span>data[..]); |
| r.read_to_end(<span class="kw-2">&mut </span>a).unwrap(); |
| r.reset(<span class="kw-2">&</span>data); |
| r.read_to_end(<span class="kw-2">&mut </span>b).unwrap(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>r = read::DeflateDecoder::new(<span class="kw-2">&</span>data[..]); |
| r.read_to_end(<span class="kw-2">&mut </span>c).unwrap(); |
| <span class="macro">assert!</span>(a == b && b == c && c == v); |
| } |
| |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>w = write::DeflateDecoder::new(Vec::new()); |
| w.write_all(<span class="kw-2">&</span>data).unwrap(); |
| <span class="kw">let </span>a = w.reset(Vec::new()).unwrap(); |
| w.write_all(<span class="kw-2">&</span>data).unwrap(); |
| <span class="kw">let </span>b = w.finish().unwrap(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>w = write::DeflateDecoder::new(Vec::new()); |
| w.write_all(<span class="kw-2">&</span>data).unwrap(); |
| <span class="kw">let </span>c = w.finish().unwrap(); |
| <span class="macro">assert!</span>(a == b && b == c && c == v); |
| } |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>zero_length_read_with_data() { |
| <span class="kw">let </span>m = <span class="macro">vec!</span>[<span class="number">3u8</span>; <span class="number">128 </span>* <span class="number">1024 </span>+ <span class="number">1</span>]; |
| <span class="kw">let </span><span class="kw-2">mut </span>c = read::DeflateEncoder::new(<span class="kw-2">&</span>m[..], Compression::default()); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>result = Vec::new(); |
| c.read_to_end(<span class="kw-2">&mut </span>result).unwrap(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>d = read::DeflateDecoder::new(<span class="kw-2">&</span>result[..]); |
| <span class="kw">let </span><span class="kw-2">mut </span>data = Vec::new(); |
| <span class="macro">assert_eq!</span>(d.read(<span class="kw-2">&mut </span>data).unwrap(), <span class="number">0</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>qc_reader() { |
| ::quickcheck::quickcheck(test <span class="kw">as fn</span>(<span class="kw">_</span>) -> <span class="kw">_</span>); |
| |
| <span class="kw">fn </span>test(v: Vec<u8>) -> bool { |
| <span class="kw">let </span><span class="kw-2">mut </span>r = read::DeflateDecoder::new(read::DeflateEncoder::new( |
| <span class="kw-2">&</span>v[..], |
| Compression::default(), |
| )); |
| <span class="kw">let </span><span class="kw-2">mut </span>v2 = Vec::new(); |
| r.read_to_end(<span class="kw-2">&mut </span>v2).unwrap(); |
| v == v2 |
| } |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>qc_writer() { |
| ::quickcheck::quickcheck(test <span class="kw">as fn</span>(<span class="kw">_</span>) -> <span class="kw">_</span>); |
| |
| <span class="kw">fn </span>test(v: Vec<u8>) -> bool { |
| <span class="kw">let </span><span class="kw-2">mut </span>w = write::DeflateEncoder::new( |
| write::DeflateDecoder::new(Vec::new()), |
| Compression::default(), |
| ); |
| w.write_all(<span class="kw-2">&</span>v).unwrap(); |
| v == w.finish().unwrap().finish().unwrap() |
| } |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="flate2" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
