| <!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/h2-0.3.19/src/hpack/encoder.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>encoder.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="../../../h2/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="../../../h2/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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| <span id="523">523</span> |
| <span id="524">524</span> |
| <span id="525">525</span> |
| <span id="526">526</span> |
| <span id="527">527</span> |
| <span id="528">528</span> |
| <span id="529">529</span> |
| <span id="530">530</span> |
| <span id="531">531</span> |
| <span id="532">532</span> |
| <span id="533">533</span> |
| <span id="534">534</span> |
| <span id="535">535</span> |
| <span id="536">536</span> |
| <span id="537">537</span> |
| <span id="538">538</span> |
| <span id="539">539</span> |
| <span id="540">540</span> |
| <span id="541">541</span> |
| <span id="542">542</span> |
| <span id="543">543</span> |
| <span id="544">544</span> |
| <span id="545">545</span> |
| <span id="546">546</span> |
| <span id="547">547</span> |
| <span id="548">548</span> |
| <span id="549">549</span> |
| <span id="550">550</span> |
| <span id="551">551</span> |
| <span id="552">552</span> |
| <span id="553">553</span> |
| <span id="554">554</span> |
| <span id="555">555</span> |
| <span id="556">556</span> |
| <span id="557">557</span> |
| <span id="558">558</span> |
| <span id="559">559</span> |
| <span id="560">560</span> |
| <span id="561">561</span> |
| <span id="562">562</span> |
| <span id="563">563</span> |
| <span id="564">564</span> |
| <span id="565">565</span> |
| <span id="566">566</span> |
| <span id="567">567</span> |
| <span id="568">568</span> |
| <span id="569">569</span> |
| <span id="570">570</span> |
| <span id="571">571</span> |
| <span id="572">572</span> |
| <span id="573">573</span> |
| <span id="574">574</span> |
| <span id="575">575</span> |
| <span id="576">576</span> |
| <span id="577">577</span> |
| <span id="578">578</span> |
| <span id="579">579</span> |
| <span id="580">580</span> |
| <span id="581">581</span> |
| <span id="582">582</span> |
| <span id="583">583</span> |
| <span id="584">584</span> |
| <span id="585">585</span> |
| <span id="586">586</span> |
| <span id="587">587</span> |
| <span id="588">588</span> |
| <span id="589">589</span> |
| <span id="590">590</span> |
| <span id="591">591</span> |
| <span id="592">592</span> |
| <span id="593">593</span> |
| <span id="594">594</span> |
| <span id="595">595</span> |
| <span id="596">596</span> |
| <span id="597">597</span> |
| <span id="598">598</span> |
| <span id="599">599</span> |
| <span id="600">600</span> |
| <span id="601">601</span> |
| <span id="602">602</span> |
| <span id="603">603</span> |
| <span id="604">604</span> |
| <span id="605">605</span> |
| <span id="606">606</span> |
| <span id="607">607</span> |
| <span id="608">608</span> |
| <span id="609">609</span> |
| <span id="610">610</span> |
| <span id="611">611</span> |
| <span id="612">612</span> |
| <span id="613">613</span> |
| <span id="614">614</span> |
| <span id="615">615</span> |
| <span id="616">616</span> |
| <span id="617">617</span> |
| <span id="618">618</span> |
| <span id="619">619</span> |
| <span id="620">620</span> |
| <span id="621">621</span> |
| <span id="622">622</span> |
| <span id="623">623</span> |
| <span id="624">624</span> |
| <span id="625">625</span> |
| <span id="626">626</span> |
| <span id="627">627</span> |
| <span id="628">628</span> |
| <span id="629">629</span> |
| <span id="630">630</span> |
| <span id="631">631</span> |
| <span id="632">632</span> |
| <span id="633">633</span> |
| <span id="634">634</span> |
| <span id="635">635</span> |
| <span id="636">636</span> |
| <span id="637">637</span> |
| <span id="638">638</span> |
| <span id="639">639</span> |
| <span id="640">640</span> |
| <span id="641">641</span> |
| <span id="642">642</span> |
| <span id="643">643</span> |
| <span id="644">644</span> |
| <span id="645">645</span> |
| <span id="646">646</span> |
| <span id="647">647</span> |
| <span id="648">648</span> |
| <span id="649">649</span> |
| <span id="650">650</span> |
| <span id="651">651</span> |
| <span id="652">652</span> |
| <span id="653">653</span> |
| <span id="654">654</span> |
| <span id="655">655</span> |
| <span id="656">656</span> |
| <span id="657">657</span> |
| <span id="658">658</span> |
| <span id="659">659</span> |
| <span id="660">660</span> |
| <span id="661">661</span> |
| <span id="662">662</span> |
| <span id="663">663</span> |
| <span id="664">664</span> |
| <span id="665">665</span> |
| <span id="666">666</span> |
| <span id="667">667</span> |
| <span id="668">668</span> |
| <span id="669">669</span> |
| <span id="670">670</span> |
| <span id="671">671</span> |
| <span id="672">672</span> |
| <span id="673">673</span> |
| <span id="674">674</span> |
| <span id="675">675</span> |
| <span id="676">676</span> |
| <span id="677">677</span> |
| <span id="678">678</span> |
| <span id="679">679</span> |
| <span id="680">680</span> |
| <span id="681">681</span> |
| <span id="682">682</span> |
| <span id="683">683</span> |
| <span id="684">684</span> |
| <span id="685">685</span> |
| <span id="686">686</span> |
| <span id="687">687</span> |
| <span id="688">688</span> |
| <span id="689">689</span> |
| <span id="690">690</span> |
| <span id="691">691</span> |
| <span id="692">692</span> |
| <span id="693">693</span> |
| <span id="694">694</span> |
| <span id="695">695</span> |
| <span id="696">696</span> |
| <span id="697">697</span> |
| <span id="698">698</span> |
| <span id="699">699</span> |
| <span id="700">700</span> |
| <span id="701">701</span> |
| <span id="702">702</span> |
| <span id="703">703</span> |
| <span id="704">704</span> |
| <span id="705">705</span> |
| <span id="706">706</span> |
| <span id="707">707</span> |
| <span id="708">708</span> |
| <span id="709">709</span> |
| <span id="710">710</span> |
| <span id="711">711</span> |
| <span id="712">712</span> |
| <span id="713">713</span> |
| <span id="714">714</span> |
| <span id="715">715</span> |
| <span id="716">716</span> |
| <span id="717">717</span> |
| <span id="718">718</span> |
| <span id="719">719</span> |
| <span id="720">720</span> |
| <span id="721">721</span> |
| </pre><pre class="rust"><code><span class="kw">use </span><span class="kw">super</span>::table::{Index, Table}; |
| <span class="kw">use super</span>::{huffman, Header}; |
| |
| <span class="kw">use </span>bytes::{BufMut, BytesMut}; |
| <span class="kw">use </span>http::header::{HeaderName, HeaderValue}; |
| |
| <span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub struct </span>Encoder { |
| table: Table, |
| size_update: <span class="prelude-ty">Option</span><SizeUpdate>, |
| } |
| |
| <span class="attribute">#[derive(Debug, Copy, Clone, Eq, PartialEq)] |
| </span><span class="kw">enum </span>SizeUpdate { |
| One(usize), |
| Two(usize, usize), <span class="comment">// min, max |
| </span>} |
| |
| <span class="kw">impl </span>Encoder { |
| <span class="kw">pub fn </span>new(max_size: usize, capacity: usize) -> Encoder { |
| Encoder { |
| table: Table::new(max_size, capacity), |
| size_update: <span class="prelude-val">None</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Queues a max size update. |
| /// |
| /// The next call to `encode` will include a dynamic size update frame. |
| </span><span class="kw">pub fn </span>update_max_size(<span class="kw-2">&mut </span><span class="self">self</span>, val: usize) { |
| <span class="kw">match </span><span class="self">self</span>.size_update { |
| <span class="prelude-val">Some</span>(SizeUpdate::One(old)) => { |
| <span class="kw">if </span>val > old { |
| <span class="kw">if </span>old > <span class="self">self</span>.table.max_size() { |
| <span class="self">self</span>.size_update = <span class="prelude-val">Some</span>(SizeUpdate::One(val)); |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.size_update = <span class="prelude-val">Some</span>(SizeUpdate::Two(old, val)); |
| } |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.size_update = <span class="prelude-val">Some</span>(SizeUpdate::One(val)); |
| } |
| } |
| <span class="prelude-val">Some</span>(SizeUpdate::Two(min, <span class="kw">_</span>)) => { |
| <span class="kw">if </span>val < min { |
| <span class="self">self</span>.size_update = <span class="prelude-val">Some</span>(SizeUpdate::One(val)); |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.size_update = <span class="prelude-val">Some</span>(SizeUpdate::Two(min, val)); |
| } |
| } |
| <span class="prelude-val">None </span>=> { |
| <span class="kw">if </span>val != <span class="self">self</span>.table.max_size() { |
| <span class="comment">// Don't bother writing a frame if the value already matches |
| // the table's max size. |
| </span><span class="self">self</span>.size_update = <span class="prelude-val">Some</span>(SizeUpdate::One(val)); |
| } |
| } |
| } |
| } |
| |
| <span class="doccomment">/// Encode a set of headers into the provide buffer |
| </span><span class="kw">pub fn </span>encode<I>(<span class="kw-2">&mut </span><span class="self">self</span>, headers: I, dst: <span class="kw-2">&mut </span>BytesMut) |
| <span class="kw">where |
| </span>I: IntoIterator<Item = Header<<span class="prelude-ty">Option</span><HeaderName>>>, |
| { |
| <span class="kw">let </span>span = <span class="macro">tracing::trace_span!</span>(<span class="string">"hpack::encode"</span>); |
| <span class="kw">let </span>_e = span.enter(); |
| |
| <span class="self">self</span>.encode_size_updates(dst); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>last_index = <span class="prelude-val">None</span>; |
| |
| <span class="kw">for </span>header <span class="kw">in </span>headers { |
| <span class="kw">match </span>header.reify() { |
| <span class="comment">// The header has an associated name. In which case, try to |
| // index it in the table. |
| </span><span class="prelude-val">Ok</span>(header) => { |
| <span class="kw">let </span>index = <span class="self">self</span>.table.index(header); |
| <span class="self">self</span>.encode_header(<span class="kw-2">&</span>index, dst); |
| |
| last_index = <span class="prelude-val">Some</span>(index); |
| } |
| <span class="comment">// The header does not have an associated name. This means that |
| // the name is the same as the previously yielded header. In |
| // which case, we skip table lookup and just use the same index |
| // as the previous entry. |
| </span><span class="prelude-val">Err</span>(value) => { |
| <span class="self">self</span>.encode_header_without_name( |
| last_index.as_ref().unwrap_or_else(|| { |
| <span class="macro">panic!</span>(<span class="string">"encoding header without name, but no previous index to use for name"</span>); |
| }), |
| <span class="kw-2">&</span>value, |
| dst, |
| ); |
| } |
| } |
| } |
| } |
| |
| <span class="kw">fn </span>encode_size_updates(<span class="kw-2">&mut </span><span class="self">self</span>, dst: <span class="kw-2">&mut </span>BytesMut) { |
| <span class="kw">match </span><span class="self">self</span>.size_update.take() { |
| <span class="prelude-val">Some</span>(SizeUpdate::One(val)) => { |
| <span class="self">self</span>.table.resize(val); |
| encode_size_update(val, dst); |
| } |
| <span class="prelude-val">Some</span>(SizeUpdate::Two(min, max)) => { |
| <span class="self">self</span>.table.resize(min); |
| <span class="self">self</span>.table.resize(max); |
| encode_size_update(min, dst); |
| encode_size_update(max, dst); |
| } |
| <span class="prelude-val">None </span>=> {} |
| } |
| } |
| |
| <span class="kw">fn </span>encode_header(<span class="kw-2">&mut </span><span class="self">self</span>, index: <span class="kw-2">&</span>Index, dst: <span class="kw-2">&mut </span>BytesMut) { |
| <span class="kw">match </span><span class="kw-2">*</span>index { |
| Index::Indexed(idx, <span class="kw">_</span>) => { |
| encode_int(idx, <span class="number">7</span>, <span class="number">0x80</span>, dst); |
| } |
| Index::Name(idx, <span class="kw">_</span>) => { |
| <span class="kw">let </span>header = <span class="self">self</span>.table.resolve(index); |
| |
| encode_not_indexed(idx, header.value_slice(), header.is_sensitive(), dst); |
| } |
| Index::Inserted(<span class="kw">_</span>) => { |
| <span class="kw">let </span>header = <span class="self">self</span>.table.resolve(index); |
| |
| <span class="macro">assert!</span>(!header.is_sensitive()); |
| |
| dst.put_u8(<span class="number">0b0100_0000</span>); |
| |
| encode_str(header.name().as_slice(), dst); |
| encode_str(header.value_slice(), dst); |
| } |
| Index::InsertedValue(idx, <span class="kw">_</span>) => { |
| <span class="kw">let </span>header = <span class="self">self</span>.table.resolve(index); |
| |
| <span class="macro">assert!</span>(!header.is_sensitive()); |
| |
| encode_int(idx, <span class="number">6</span>, <span class="number">0b0100_0000</span>, dst); |
| encode_str(header.value_slice(), dst); |
| } |
| Index::NotIndexed(<span class="kw">_</span>) => { |
| <span class="kw">let </span>header = <span class="self">self</span>.table.resolve(index); |
| |
| encode_not_indexed2( |
| header.name().as_slice(), |
| header.value_slice(), |
| header.is_sensitive(), |
| dst, |
| ); |
| } |
| } |
| } |
| |
| <span class="kw">fn </span>encode_header_without_name( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| last: <span class="kw-2">&</span>Index, |
| value: <span class="kw-2">&</span>HeaderValue, |
| dst: <span class="kw-2">&mut </span>BytesMut, |
| ) { |
| <span class="kw">match </span><span class="kw-2">*</span>last { |
| Index::Indexed(..) |
| | Index::Name(..) |
| | Index::Inserted(..) |
| | Index::InsertedValue(..) => { |
| <span class="kw">let </span>idx = <span class="self">self</span>.table.resolve_idx(last); |
| |
| encode_not_indexed(idx, value.as_ref(), value.is_sensitive(), dst); |
| } |
| Index::NotIndexed(<span class="kw">_</span>) => { |
| <span class="kw">let </span>last = <span class="self">self</span>.table.resolve(last); |
| |
| encode_not_indexed2( |
| last.name().as_slice(), |
| value.as_ref(), |
| value.is_sensitive(), |
| dst, |
| ); |
| } |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Default <span class="kw">for </span>Encoder { |
| <span class="kw">fn </span>default() -> Encoder { |
| Encoder::new(<span class="number">4096</span>, <span class="number">0</span>) |
| } |
| } |
| |
| <span class="kw">fn </span>encode_size_update(val: usize, dst: <span class="kw-2">&mut </span>BytesMut) { |
| encode_int(val, <span class="number">5</span>, <span class="number">0b0010_0000</span>, dst) |
| } |
| |
| <span class="kw">fn </span>encode_not_indexed(name: usize, value: <span class="kw-2">&</span>[u8], sensitive: bool, dst: <span class="kw-2">&mut </span>BytesMut) { |
| <span class="kw">if </span>sensitive { |
| encode_int(name, <span class="number">4</span>, <span class="number">0b10000</span>, dst); |
| } <span class="kw">else </span>{ |
| encode_int(name, <span class="number">4</span>, <span class="number">0</span>, dst); |
| } |
| |
| encode_str(value, dst); |
| } |
| |
| <span class="kw">fn </span>encode_not_indexed2(name: <span class="kw-2">&</span>[u8], value: <span class="kw-2">&</span>[u8], sensitive: bool, dst: <span class="kw-2">&mut </span>BytesMut) { |
| <span class="kw">if </span>sensitive { |
| dst.put_u8(<span class="number">0b10000</span>); |
| } <span class="kw">else </span>{ |
| dst.put_u8(<span class="number">0</span>); |
| } |
| |
| encode_str(name, dst); |
| encode_str(value, dst); |
| } |
| |
| <span class="kw">fn </span>encode_str(val: <span class="kw-2">&</span>[u8], dst: <span class="kw-2">&mut </span>BytesMut) { |
| <span class="kw">if </span>!val.is_empty() { |
| <span class="kw">let </span>idx = position(dst); |
| |
| <span class="comment">// Push a placeholder byte for the length header |
| </span>dst.put_u8(<span class="number">0</span>); |
| |
| <span class="comment">// Encode with huffman |
| </span>huffman::encode(val, dst); |
| |
| <span class="kw">let </span>huff_len = position(dst) - (idx + <span class="number">1</span>); |
| |
| <span class="kw">if </span>encode_int_one_byte(huff_len, <span class="number">7</span>) { |
| <span class="comment">// Write the string head |
| </span>dst[idx] = <span class="number">0x80 </span>| huff_len <span class="kw">as </span>u8; |
| } <span class="kw">else </span>{ |
| <span class="comment">// Write the head to a placeholder |
| </span><span class="kw">const </span>PLACEHOLDER_LEN: usize = <span class="number">8</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>buf = [<span class="number">0u8</span>; PLACEHOLDER_LEN]; |
| |
| <span class="kw">let </span>head_len = { |
| <span class="kw">let </span><span class="kw-2">mut </span>head_dst = <span class="kw-2">&mut </span>buf[..]; |
| encode_int(huff_len, <span class="number">7</span>, <span class="number">0x80</span>, <span class="kw-2">&mut </span>head_dst); |
| PLACEHOLDER_LEN - head_dst.remaining_mut() |
| }; |
| |
| <span class="comment">// This is just done to reserve space in the destination |
| </span>dst.put_slice(<span class="kw-2">&</span>buf[<span class="number">1</span>..head_len]); |
| |
| <span class="comment">// Shift the header forward |
| </span><span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..huff_len { |
| <span class="kw">let </span>src_i = idx + <span class="number">1 </span>+ (huff_len - (i + <span class="number">1</span>)); |
| <span class="kw">let </span>dst_i = idx + head_len + (huff_len - (i + <span class="number">1</span>)); |
| dst[dst_i] = dst[src_i]; |
| } |
| |
| <span class="comment">// Copy in the head |
| </span><span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..head_len { |
| dst[idx + i] = buf[i]; |
| } |
| } |
| } <span class="kw">else </span>{ |
| <span class="comment">// Write an empty string |
| </span>dst.put_u8(<span class="number">0</span>); |
| } |
| } |
| |
| <span class="doccomment">/// Encode an integer into the given destination buffer |
| </span><span class="kw">fn </span>encode_int<B: BufMut>( |
| <span class="kw-2">mut </span>value: usize, <span class="comment">// The integer to encode |
| </span>prefix_bits: usize, <span class="comment">// The number of bits in the prefix |
| </span>first_byte: u8, <span class="comment">// The base upon which to start encoding the int |
| </span>dst: <span class="kw-2">&mut </span>B, |
| ) { |
| <span class="kw">if </span>encode_int_one_byte(value, prefix_bits) { |
| dst.put_u8(first_byte | value <span class="kw">as </span>u8); |
| <span class="kw">return</span>; |
| } |
| |
| <span class="kw">let </span>low = (<span class="number">1 </span><< prefix_bits) - <span class="number">1</span>; |
| |
| value -= low; |
| |
| dst.put_u8(first_byte | low <span class="kw">as </span>u8); |
| |
| <span class="kw">while </span>value >= <span class="number">128 </span>{ |
| dst.put_u8(<span class="number">0b1000_0000 </span>| value <span class="kw">as </span>u8); |
| |
| value >>= <span class="number">7</span>; |
| } |
| |
| dst.put_u8(value <span class="kw">as </span>u8); |
| } |
| |
| <span class="doccomment">/// Returns true if the in the int can be fully encoded in the first byte. |
| </span><span class="kw">fn </span>encode_int_one_byte(value: usize, prefix_bits: usize) -> bool { |
| value < (<span class="number">1 </span><< prefix_bits) - <span class="number">1 |
| </span>} |
| |
| <span class="kw">fn </span>position(buf: <span class="kw-2">&</span>BytesMut) -> usize { |
| buf.len() |
| } |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>test { |
| <span class="kw">use super</span>::<span class="kw-2">*</span>; |
| <span class="kw">use </span><span class="kw">crate</span>::hpack::Header; |
| <span class="kw">use </span>http::<span class="kw-2">*</span>; |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_encode_method_get() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[method(<span class="string">"GET"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">*</span>res, [<span class="number">0x80 </span>| <span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(encoder.table.len(), <span class="number">0</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_encode_method_post() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[method(<span class="string">"POST"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">*</span>res, [<span class="number">0x80 </span>| <span class="number">3</span>]); |
| <span class="macro">assert_eq!</span>(encoder.table.len(), <span class="number">0</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_encode_method_patch() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[method(<span class="string">"PATCH"</span>)]); |
| |
| <span class="macro">assert_eq!</span>(res[<span class="number">0</span>], <span class="number">0b01000000 </span>| <span class="number">2</span>); <span class="comment">// Incremental indexing w/ name pulled from table |
| </span><span class="macro">assert_eq!</span>(res[<span class="number">1</span>], <span class="number">0x80 </span>| <span class="number">5</span>); <span class="comment">// header value w/ huffman coding |
| |
| </span><span class="macro">assert_eq!</span>(<span class="string">"PATCH"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">2</span>..<span class="number">7</span>])); |
| <span class="macro">assert_eq!</span>(encoder.table.len(), <span class="number">1</span>); |
| |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[method(<span class="string">"PATCH"</span>)]); |
| |
| <span class="macro">assert_eq!</span>(<span class="number">1 </span><< <span class="number">7 </span>| <span class="number">62</span>, res[<span class="number">0</span>]); |
| <span class="macro">assert_eq!</span>(<span class="number">1</span>, res.len()); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_encode_indexed_name_literal_value() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"content-language"</span>, <span class="string">"foo"</span>)]); |
| |
| <span class="macro">assert_eq!</span>(res[<span class="number">0</span>], <span class="number">0b01000000 </span>| <span class="number">27</span>); <span class="comment">// Indexed name |
| </span><span class="macro">assert_eq!</span>(res[<span class="number">1</span>], <span class="number">0x80 </span>| <span class="number">2</span>); <span class="comment">// header value w/ huffman coding |
| |
| </span><span class="macro">assert_eq!</span>(<span class="string">"foo"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">2</span>..<span class="number">4</span>])); |
| |
| <span class="comment">// Same name, new value should still use incremental |
| </span><span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"content-language"</span>, <span class="string">"bar"</span>)]); |
| <span class="macro">assert_eq!</span>(res[<span class="number">0</span>], <span class="number">0b01000000 </span>| <span class="number">27</span>); <span class="comment">// Indexed name |
| </span><span class="macro">assert_eq!</span>(res[<span class="number">1</span>], <span class="number">0x80 </span>| <span class="number">3</span>); <span class="comment">// header value w/ huffman coding |
| </span><span class="macro">assert_eq!</span>(<span class="string">"bar"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">2</span>..<span class="number">5</span>])); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_repeated_headers_are_indexed() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"hello"</span>)]); |
| |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0b01000000</span>, <span class="number">0x80 </span>| <span class="number">2</span>], <span class="kw-2">&</span>res[<span class="number">0</span>..<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"foo"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">2</span>..<span class="number">4</span>])); |
| <span class="macro">assert_eq!</span>(<span class="number">0x80 </span>| <span class="number">4</span>, res[<span class="number">4</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"hello"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">5</span>..])); |
| <span class="macro">assert_eq!</span>(<span class="number">9</span>, res.len()); |
| |
| <span class="macro">assert_eq!</span>(<span class="number">1</span>, encoder.table.len()); |
| |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"hello"</span>)]); |
| <span class="macro">assert_eq!</span>([<span class="number">0x80 </span>| <span class="number">62</span>], <span class="kw-2">*</span>res); |
| |
| <span class="macro">assert_eq!</span>(encoder.table.len(), <span class="number">1</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_evicting_headers() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| |
| <span class="comment">// Fill the table |
| </span><span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..<span class="number">64 </span>{ |
| <span class="kw">let </span>key = <span class="macro">format!</span>(<span class="string">"x-hello-world-{:02}"</span>, i); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="kw-2">&</span>key, <span class="kw-2">&</span>key)]); |
| |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0b01000000</span>, <span class="number">0x80 </span>| <span class="number">12</span>], <span class="kw-2">&</span>res[<span class="number">0</span>..<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(key, huff_decode(<span class="kw-2">&</span>res[<span class="number">2</span>..<span class="number">14</span>])); |
| <span class="macro">assert_eq!</span>(<span class="number">0x80 </span>| <span class="number">12</span>, res[<span class="number">14</span>]); |
| <span class="macro">assert_eq!</span>(key, huff_decode(<span class="kw-2">&</span>res[<span class="number">15</span>..])); |
| <span class="macro">assert_eq!</span>(<span class="number">27</span>, res.len()); |
| |
| <span class="comment">// Make sure the header can be found... |
| </span><span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="kw-2">&</span>key, <span class="kw-2">&</span>key)]); |
| |
| <span class="comment">// Only check that it is found |
| </span><span class="macro">assert_eq!</span>(<span class="number">0x80</span>, res[<span class="number">0</span>] & <span class="number">0x80</span>); |
| } |
| |
| <span class="macro">assert_eq!</span>(<span class="number">4096</span>, encoder.table.size()); |
| <span class="macro">assert_eq!</span>(<span class="number">64</span>, encoder.table.len()); |
| |
| <span class="comment">// Find existing headers |
| </span><span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..<span class="number">64 </span>{ |
| <span class="kw">let </span>key = <span class="macro">format!</span>(<span class="string">"x-hello-world-{:02}"</span>, i); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="kw-2">&</span>key, <span class="kw-2">&</span>key)]); |
| <span class="macro">assert_eq!</span>(<span class="number">0x80</span>, res[<span class="number">0</span>] & <span class="number">0x80</span>); |
| } |
| |
| <span class="comment">// Insert a new header |
| </span><span class="kw">let </span>key = <span class="string">"x-hello-world-64"</span>; |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(key, key)]); |
| |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0b01000000</span>, <span class="number">0x80 </span>| <span class="number">12</span>], <span class="kw-2">&</span>res[<span class="number">0</span>..<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(key, huff_decode(<span class="kw-2">&</span>res[<span class="number">2</span>..<span class="number">14</span>])); |
| <span class="macro">assert_eq!</span>(<span class="number">0x80 </span>| <span class="number">12</span>, res[<span class="number">14</span>]); |
| <span class="macro">assert_eq!</span>(key, huff_decode(<span class="kw-2">&</span>res[<span class="number">15</span>..])); |
| <span class="macro">assert_eq!</span>(<span class="number">27</span>, res.len()); |
| |
| <span class="macro">assert_eq!</span>(<span class="number">64</span>, encoder.table.len()); |
| |
| <span class="comment">// Now try encoding entries that should exist in the table |
| </span><span class="kw">for </span>i <span class="kw">in </span><span class="number">1</span>..<span class="number">65 </span>{ |
| <span class="kw">let </span>key = <span class="macro">format!</span>(<span class="string">"x-hello-world-{:02}"</span>, i); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="kw-2">&</span>key, <span class="kw-2">&</span>key)]); |
| <span class="macro">assert_eq!</span>(<span class="number">0x80 </span>| (<span class="number">61 </span>+ (<span class="number">65 </span>- i)), res[<span class="number">0</span>]); |
| } |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_large_headers_are_not_indexed() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::new(<span class="number">128</span>, <span class="number">0</span>); |
| <span class="kw">let </span>key = <span class="string">"hello-world-hello-world-HELLO-zzz"</span>; |
| |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(key, key)]); |
| |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0</span>, <span class="number">0x80 </span>| <span class="number">25</span>], <span class="kw-2">&</span>res[..<span class="number">2</span>]); |
| |
| <span class="macro">assert_eq!</span>(<span class="number">0</span>, encoder.table.len()); |
| <span class="macro">assert_eq!</span>(<span class="number">0</span>, encoder.table.size()); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_sensitive_headers_are_never_indexed() { |
| <span class="kw">use </span>http::header::HeaderValue; |
| |
| <span class="kw">let </span>name = <span class="string">"my-password"</span>.parse().unwrap(); |
| <span class="kw">let </span><span class="kw-2">mut </span>value = HeaderValue::from_bytes(<span class="string">b"12345"</span>).unwrap(); |
| value.set_sensitive(<span class="bool-val">true</span>); |
| |
| <span class="kw">let </span>header = Header::Field { |
| name: <span class="prelude-val">Some</span>(name), |
| value, |
| }; |
| |
| <span class="comment">// Now, try to encode the sensitive header |
| |
| </span><span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header]); |
| |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0b10000</span>, <span class="number">0x80 </span>| <span class="number">8</span>], <span class="kw-2">&</span>res[..<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"my-password"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">2</span>..<span class="number">10</span>])); |
| <span class="macro">assert_eq!</span>(<span class="number">0x80 </span>| <span class="number">4</span>, res[<span class="number">10</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"12345"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">11</span>..])); |
| |
| <span class="comment">// Now, try to encode a sensitive header w/ a name in the static table |
| </span><span class="kw">let </span>name = <span class="string">"authorization"</span>.parse().unwrap(); |
| <span class="kw">let </span><span class="kw-2">mut </span>value = HeaderValue::from_bytes(<span class="string">b"12345"</span>).unwrap(); |
| value.set_sensitive(<span class="bool-val">true</span>); |
| |
| <span class="kw">let </span>header = Header::Field { |
| name: <span class="prelude-val">Some</span>(name), |
| value, |
| }; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header]); |
| |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0b11111</span>, <span class="number">8</span>], <span class="kw-2">&</span>res[..<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(<span class="number">0x80 </span>| <span class="number">4</span>, res[<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"12345"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">3</span>..])); |
| |
| <span class="comment">// Using the name component of a previously indexed header (without |
| // sensitive flag set) |
| |
| </span><span class="kw">let _ </span>= encode( |
| <span class="kw-2">&mut </span>encoder, |
| <span class="macro">vec!</span>[<span class="self">self</span>::header(<span class="string">"my-password"</span>, <span class="string">"not-so-secret"</span>)], |
| ); |
| |
| <span class="kw">let </span>name = <span class="string">"my-password"</span>.parse().unwrap(); |
| <span class="kw">let </span><span class="kw-2">mut </span>value = HeaderValue::from_bytes(<span class="string">b"12345"</span>).unwrap(); |
| value.set_sensitive(<span class="bool-val">true</span>); |
| |
| <span class="kw">let </span>header = Header::Field { |
| name: <span class="prelude-val">Some</span>(name), |
| value, |
| }; |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header]); |
| |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0b11111</span>, <span class="number">47</span>], <span class="kw-2">&</span>res[..<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(<span class="number">0x80 </span>| <span class="number">4</span>, res[<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"12345"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">3</span>..])); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_content_length_value_not_indexed() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"content-length"</span>, <span class="string">"1234"</span>)]); |
| |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">15</span>, <span class="number">13</span>, <span class="number">0x80 </span>| <span class="number">3</span>], <span class="kw-2">&</span>res[<span class="number">0</span>..<span class="number">3</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"1234"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">3</span>..])); |
| <span class="macro">assert_eq!</span>(<span class="number">6</span>, res.len()); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_encoding_headers_with_same_name() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| <span class="kw">let </span>name = <span class="string">"hello"</span>; |
| |
| <span class="comment">// Encode first one |
| </span><span class="kw">let _ </span>= encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(name, <span class="string">"one"</span>)]); |
| |
| <span class="comment">// Encode second one |
| </span><span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(name, <span class="string">"two"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0x40 </span>| <span class="number">62</span>, <span class="number">0x80 </span>| <span class="number">3</span>], <span class="kw-2">&</span>res[<span class="number">0</span>..<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"two"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">2</span>..])); |
| <span class="macro">assert_eq!</span>(<span class="number">5</span>, res.len()); |
| |
| <span class="comment">// Encode the first one again |
| </span><span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(name, <span class="string">"one"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0x80 </span>| <span class="number">63</span>], <span class="kw-2">&</span>res[..]); |
| |
| <span class="comment">// Now the second one |
| </span><span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(name, <span class="string">"two"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0x80 </span>| <span class="number">62</span>], <span class="kw-2">&</span>res[..]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_evicting_headers_when_multiple_of_same_name_are_in_table() { |
| <span class="comment">// The encoder only has space for 2 headers |
| </span><span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::new(<span class="number">76</span>, <span class="number">0</span>); |
| |
| <span class="kw">let _ </span>= encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"bar"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="number">1</span>, encoder.table.len()); |
| |
| <span class="kw">let _ </span>= encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"bar"</span>, <span class="string">"foo"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="number">2</span>, encoder.table.len()); |
| |
| <span class="comment">// This will evict the first header, while still referencing the header |
| // name |
| </span><span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"baz"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0x40 </span>| <span class="number">63</span>, <span class="number">0</span>, <span class="number">0x80 </span>| <span class="number">3</span>], <span class="kw-2">&</span>res[..<span class="number">3</span>]); |
| <span class="macro">assert_eq!</span>(<span class="number">2</span>, encoder.table.len()); |
| |
| <span class="comment">// Try adding the same header again |
| </span><span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"baz"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0x80 </span>| <span class="number">62</span>], <span class="kw-2">&</span>res[..]); |
| <span class="macro">assert_eq!</span>(<span class="number">2</span>, encoder.table.len()); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_max_size_zero() { |
| <span class="comment">// Static table only |
| </span><span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::new(<span class="number">0</span>, <span class="number">0</span>); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[method(<span class="string">"GET"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">*</span>res, [<span class="number">0x80 </span>| <span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(encoder.table.len(), <span class="number">0</span>); |
| |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"bar"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0</span>, <span class="number">0x80 </span>| <span class="number">2</span>], <span class="kw-2">&</span>res[..<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"foo"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">2</span>..<span class="number">4</span>])); |
| <span class="macro">assert_eq!</span>(<span class="number">0x80 </span>| <span class="number">3</span>, res[<span class="number">4</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"bar"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">5</span>..<span class="number">8</span>])); |
| <span class="macro">assert_eq!</span>(<span class="number">0</span>, encoder.table.len()); |
| |
| <span class="comment">// Encode a custom value |
| </span><span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"transfer-encoding"</span>, <span class="string">"chunked"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">15</span>, <span class="number">42</span>, <span class="number">0x80 </span>| <span class="number">6</span>], <span class="kw-2">&</span>res[..<span class="number">3</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"chunked"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">3</span>..])); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_update_max_size_combos() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| <span class="macro">assert!</span>(encoder.size_update.is_none()); |
| <span class="macro">assert_eq!</span>(<span class="number">4096</span>, encoder.table.max_size()); |
| |
| encoder.update_max_size(<span class="number">4096</span>); <span class="comment">// Default size |
| </span><span class="macro">assert!</span>(encoder.size_update.is_none()); |
| |
| encoder.update_max_size(<span class="number">0</span>); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(SizeUpdate::One(<span class="number">0</span>)), encoder.size_update); |
| |
| encoder.update_max_size(<span class="number">100</span>); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(SizeUpdate::Two(<span class="number">0</span>, <span class="number">100</span>)), encoder.size_update); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| encoder.update_max_size(<span class="number">8000</span>); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(SizeUpdate::One(<span class="number">8000</span>)), encoder.size_update); |
| |
| encoder.update_max_size(<span class="number">100</span>); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(SizeUpdate::One(<span class="number">100</span>)), encoder.size_update); |
| |
| encoder.update_max_size(<span class="number">8000</span>); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(SizeUpdate::Two(<span class="number">100</span>, <span class="number">8000</span>)), encoder.size_update); |
| |
| encoder.update_max_size(<span class="number">4000</span>); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(SizeUpdate::Two(<span class="number">100</span>, <span class="number">4000</span>)), encoder.size_update); |
| |
| encoder.update_max_size(<span class="number">50</span>); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(SizeUpdate::One(<span class="number">50</span>)), encoder.size_update); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_resizing_table() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| |
| <span class="comment">// Add a header |
| </span><span class="kw">let _ </span>= encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"bar"</span>)]); |
| |
| encoder.update_max_size(<span class="number">1</span>); |
| <span class="macro">assert_eq!</span>(<span class="number">1</span>, encoder.table.len()); |
| |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[method(<span class="string">"GET"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">32 </span>| <span class="number">1</span>, <span class="number">0x80 </span>| <span class="number">2</span>], <span class="kw-2">&</span>res[..]); |
| <span class="macro">assert_eq!</span>(<span class="number">0</span>, encoder.table.len()); |
| |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"bar"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="number">0</span>, res[<span class="number">0</span>]); |
| |
| encoder.update_max_size(<span class="number">100</span>); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"bar"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">32 </span>| <span class="number">31</span>, <span class="number">69</span>, <span class="number">64</span>], <span class="kw-2">&</span>res[..<span class="number">3</span>]); |
| |
| encoder.update_max_size(<span class="number">0</span>); |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"bar"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">32</span>, <span class="number">0</span>], <span class="kw-2">&</span>res[..<span class="number">2</span>]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_decreasing_table_size_without_eviction() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| |
| <span class="comment">// Add a header |
| </span><span class="kw">let _ </span>= encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"bar"</span>)]); |
| |
| encoder.update_max_size(<span class="number">100</span>); |
| <span class="macro">assert_eq!</span>(<span class="number">1</span>, encoder.table.len()); |
| |
| <span class="kw">let </span>res = encode(<span class="kw-2">&mut </span>encoder, <span class="macro">vec!</span>[header(<span class="string">"foo"</span>, <span class="string">"bar"</span>)]); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">32 </span>| <span class="number">31</span>, <span class="number">69</span>, <span class="number">0x80 </span>| <span class="number">62</span>], <span class="kw-2">&</span>res[..]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_nameless_header() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| |
| <span class="kw">let </span>res = encode( |
| <span class="kw-2">&mut </span>encoder, |
| <span class="macro">vec!</span>[ |
| Header::Field { |
| name: <span class="prelude-val">Some</span>(<span class="string">"hello"</span>.parse().unwrap()), |
| value: HeaderValue::from_bytes(<span class="string">b"world"</span>).unwrap(), |
| }, |
| Header::Field { |
| name: <span class="prelude-val">None</span>, |
| value: HeaderValue::from_bytes(<span class="string">b"zomg"</span>).unwrap(), |
| }, |
| ], |
| ); |
| |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">0x40</span>, <span class="number">0x80 </span>| <span class="number">4</span>], <span class="kw-2">&</span>res[<span class="number">0</span>..<span class="number">2</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"hello"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">2</span>..<span class="number">6</span>])); |
| <span class="macro">assert_eq!</span>(<span class="number">0x80 </span>| <span class="number">4</span>, res[<span class="number">6</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"world"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">7</span>..<span class="number">11</span>])); |
| |
| <span class="comment">// Next is not indexed |
| </span><span class="macro">assert_eq!</span>(<span class="kw-2">&</span>[<span class="number">15</span>, <span class="number">47</span>, <span class="number">0x80 </span>| <span class="number">3</span>], <span class="kw-2">&</span>res[<span class="number">11</span>..<span class="number">14</span>]); |
| <span class="macro">assert_eq!</span>(<span class="string">"zomg"</span>, huff_decode(<span class="kw-2">&</span>res[<span class="number">14</span>..])); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_large_size_update() { |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = Encoder::default(); |
| |
| encoder.update_max_size(<span class="number">1912930560</span>); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(SizeUpdate::One(<span class="number">1912930560</span>)), encoder.size_update); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>dst = BytesMut::with_capacity(<span class="number">6</span>); |
| encoder.encode_size_updates(<span class="kw-2">&mut </span>dst); |
| <span class="macro">assert_eq!</span>([<span class="number">63</span>, <span class="number">225</span>, <span class="number">129</span>, <span class="number">148</span>, <span class="number">144</span>, <span class="number">7</span>], <span class="kw-2">&</span>dst[..]); |
| } |
| |
| <span class="attribute">#[test] |
| #[ignore] |
| </span><span class="kw">fn </span>test_evicted_overflow() { |
| <span class="comment">// Not sure what the best way to do this is. |
| </span>} |
| |
| <span class="kw">fn </span>encode(e: <span class="kw-2">&mut </span>Encoder, hdrs: Vec<Header<<span class="prelude-ty">Option</span><HeaderName>>>) -> BytesMut { |
| <span class="kw">let </span><span class="kw-2">mut </span>dst = BytesMut::with_capacity(<span class="number">1024</span>); |
| e.encode(<span class="kw-2">&mut </span>hdrs.into_iter(), <span class="kw-2">&mut </span>dst); |
| dst |
| } |
| |
| <span class="kw">fn </span>method(s: <span class="kw-2">&</span>str) -> Header<<span class="prelude-ty">Option</span><HeaderName>> { |
| Header::Method(Method::from_bytes(s.as_bytes()).unwrap()) |
| } |
| |
| <span class="kw">fn </span>header(name: <span class="kw-2">&</span>str, val: <span class="kw-2">&</span>str) -> Header<<span class="prelude-ty">Option</span><HeaderName>> { |
| <span class="kw">let </span>name = HeaderName::from_bytes(name.as_bytes()).unwrap(); |
| <span class="kw">let </span>value = HeaderValue::from_bytes(val.as_bytes()).unwrap(); |
| |
| Header::Field { |
| name: <span class="prelude-val">Some</span>(name), |
| value, |
| } |
| } |
| |
| <span class="kw">fn </span>huff_decode(src: <span class="kw-2">&</span>[u8]) -> BytesMut { |
| <span class="kw">let </span><span class="kw-2">mut </span>buf = BytesMut::new(); |
| huffman::decode(src, <span class="kw-2">&mut </span>buf).unwrap() |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="h2" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |