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<!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/humantime-1.3.0/src/duration.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>duration.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="../../humantime/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="../../humantime/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">use </span>std::fmt;
<span class="kw">use </span>std::str::Chars;
<span class="kw">use </span>std::time::Duration;
<span class="kw">use </span>std::error::Error <span class="kw">as </span>StdError;
<span class="macro">quick_error! </span>{
<span class="doccomment">/// Error parsing human-friendly duration
</span><span class="attribute">#[derive(Debug, PartialEq, Clone, Copy)]
</span><span class="kw">pub enum </span>Error {
<span class="doccomment">/// Invalid character during parsing
///
/// More specifically anything that is not alphanumeric is prohibited
///
/// The field is an byte offset of the character in the string.
</span>InvalidCharacter(offset: usize) {
display(<span class="string">&quot;invalid character at {}&quot;</span>, offset)
description(<span class="string">&quot;invalid character&quot;</span>)
}
<span class="doccomment">/// Non-numeric value where number is expected
///
/// This usually means that either time unit is broken into words,
/// e.g. `m sec` instead of `msec`, or just number is omitted,
/// for example `2 hours min` instead of `2 hours 1 min`
///
/// The field is an byte offset of the errorneous character
/// in the string.
</span>NumberExpected(offset: usize) {
display(<span class="string">&quot;expected number at {}&quot;</span>, offset)
description(<span class="string">&quot;expected number&quot;</span>)
}
<span class="doccomment">/// Unit in the number is not one of allowed units
///
/// See documentation of `parse_duration` for the list of supported
/// time units.
///
/// The two fields are start and end (exclusive) of the slice from
/// the original string, containing errorneous value
</span>UnknownUnit(start: usize, end: usize) {
display(<span class="string">&quot;unknown unit at {}-{}&quot;</span>, start, end)
description(<span class="string">&quot;unknown unit&quot;</span>)
}
<span class="doccomment">/// The numeric value is too large
///
/// Usually this means value is too large to be useful. If user writes
/// data in subsecond units, then the maximum is about 3k years. When
/// using seconds, or larger units, the limit is even larger.
</span>NumberOverflow {
display(self_) -&gt; (<span class="string">&quot;{}&quot;</span>, self_.description())
description(<span class="string">&quot;number is too large&quot;</span>)
}
<span class="doccomment">/// The value was an empty string (or consists only whitespace)
</span>Empty {
display(self_) -&gt; (<span class="string">&quot;{}&quot;</span>, self_.description())
description(<span class="string">&quot;value was empty&quot;</span>)
}
}
}
<span class="doccomment">/// A wrapper type that allows you to Display a Duration
</span><span class="attribute">#[derive(Debug, Clone)]
</span><span class="kw">pub struct </span>FormattedDuration(Duration);
<span class="kw">trait </span>OverflowOp: Sized {
<span class="kw">fn </span>mul(<span class="self">self</span>, other: <span class="self">Self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, Error&gt;;
<span class="kw">fn </span>add(<span class="self">self</span>, other: <span class="self">Self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, Error&gt;;
}
<span class="kw">impl </span>OverflowOp <span class="kw">for </span>u64 {
<span class="kw">fn </span>mul(<span class="self">self</span>, other: <span class="self">Self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, Error&gt; {
<span class="self">self</span>.checked_mul(other).ok_or(Error::NumberOverflow)
}
<span class="kw">fn </span>add(<span class="self">self</span>, other: <span class="self">Self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, Error&gt; {
<span class="self">self</span>.checked_add(other).ok_or(Error::NumberOverflow)
}
}
<span class="kw">struct </span>Parser&lt;<span class="lifetime">&#39;a</span>&gt; {
iter: Chars&lt;<span class="lifetime">&#39;a</span>&gt;,
src: <span class="kw-2">&amp;</span><span class="lifetime">&#39;a </span>str,
current: (u64, u64),
}
<span class="kw">impl</span>&lt;<span class="lifetime">&#39;a</span>&gt; Parser&lt;<span class="lifetime">&#39;a</span>&gt; {
<span class="kw">fn </span>off(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; usize {
<span class="self">self</span>.src.len() - <span class="self">self</span>.iter.as_str().len()
}
<span class="kw">fn </span>parse_first_char(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="prelude-ty">Option</span>&lt;u64&gt;, Error&gt; {
<span class="kw">let </span>off = <span class="self">self</span>.off();
<span class="kw">for </span>c <span class="kw">in </span><span class="self">self</span>.iter.by_ref() {
<span class="kw">match </span>c {
<span class="string">&#39;0&#39;</span>...<span class="string">&#39;9&#39; </span>=&gt; {
<span class="kw">return </span><span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(c <span class="kw">as </span>u64 - <span class="string">&#39;0&#39; </span><span class="kw">as </span>u64));
}
c <span class="kw">if </span>c.is_whitespace() =&gt; <span class="kw">continue</span>,
<span class="kw">_ </span>=&gt; {
<span class="kw">return </span><span class="prelude-val">Err</span>(Error::NumberExpected(off));
}
}
}
<span class="kw">return </span><span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>);
}
<span class="kw">fn </span>parse_unit(<span class="kw-2">&amp;mut </span><span class="self">self</span>, n: u64, start: usize, end: usize)
-&gt; <span class="prelude-ty">Result</span>&lt;(), Error&gt;
{
<span class="kw">let </span>(<span class="kw-2">mut </span>sec, nsec) = <span class="kw">match </span><span class="kw-2">&amp;</span><span class="self">self</span>.src[start..end] {
<span class="string">&quot;nanos&quot; </span>| <span class="string">&quot;nsec&quot; </span>| <span class="string">&quot;ns&quot; </span>=&gt; (<span class="number">0u64</span>, n),
<span class="string">&quot;usec&quot; </span>| <span class="string">&quot;us&quot; </span>=&gt; (<span class="number">0u64</span>, <span class="macro">try!</span>(n.mul(<span class="number">1000</span>))),
<span class="string">&quot;millis&quot; </span>| <span class="string">&quot;msec&quot; </span>| <span class="string">&quot;ms&quot; </span>=&gt; (<span class="number">0u64</span>, <span class="macro">try!</span>(n.mul(<span class="number">1000_000</span>))),
<span class="string">&quot;seconds&quot; </span>| <span class="string">&quot;second&quot; </span>| <span class="string">&quot;secs&quot; </span>| <span class="string">&quot;sec&quot; </span>| <span class="string">&quot;s&quot; </span>=&gt; (n, <span class="number">0</span>),
<span class="string">&quot;minutes&quot; </span>| <span class="string">&quot;minute&quot; </span>| <span class="string">&quot;min&quot; </span>| <span class="string">&quot;mins&quot; </span>| <span class="string">&quot;m&quot;
</span>=&gt; (<span class="macro">try!</span>(n.mul(<span class="number">60</span>)), <span class="number">0</span>),
<span class="string">&quot;hours&quot; </span>| <span class="string">&quot;hour&quot; </span>| <span class="string">&quot;hr&quot; </span>| <span class="string">&quot;hrs&quot; </span>| <span class="string">&quot;h&quot; </span>=&gt; (<span class="macro">try!</span>(n.mul(<span class="number">3600</span>)), <span class="number">0</span>),
<span class="string">&quot;days&quot; </span>| <span class="string">&quot;day&quot; </span>| <span class="string">&quot;d&quot; </span>=&gt; (<span class="macro">try!</span>(n.mul(<span class="number">86400</span>)), <span class="number">0</span>),
<span class="string">&quot;weeks&quot; </span>| <span class="string">&quot;week&quot; </span>| <span class="string">&quot;w&quot; </span>=&gt; (<span class="macro">try!</span>(n.mul(<span class="number">86400</span><span class="kw-2">*</span><span class="number">7</span>)), <span class="number">0</span>),
<span class="string">&quot;months&quot; </span>| <span class="string">&quot;month&quot; </span>| <span class="string">&quot;M&quot; </span>=&gt; (<span class="macro">try!</span>(n.mul(<span class="number">2630016</span>)), <span class="number">0</span>), <span class="comment">// 30.44d
</span><span class="string">&quot;years&quot; </span>| <span class="string">&quot;year&quot; </span>| <span class="string">&quot;y&quot; </span>=&gt; (<span class="macro">try!</span>(n.mul(<span class="number">31557600</span>)), <span class="number">0</span>), <span class="comment">// 365.25d
</span><span class="kw">_ </span>=&gt; <span class="kw">return </span><span class="prelude-val">Err</span>(Error::UnknownUnit(start, end)),
};
<span class="kw">let </span><span class="kw-2">mut </span>nsec = <span class="macro">try!</span>(<span class="self">self</span>.current.<span class="number">1</span>.add(nsec));
<span class="kw">if </span>nsec &gt; <span class="number">1000_000_000 </span>{
sec = <span class="macro">try!</span>(sec.add(nsec / <span class="number">1000_000_000</span>));
nsec %= <span class="number">1000_000_000</span>;
}
sec = <span class="macro">try!</span>(<span class="self">self</span>.current.<span class="number">0</span>.add(sec));
<span class="self">self</span>.current = (sec, nsec);
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>parse(<span class="kw-2">mut </span><span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;Duration, Error&gt; {
<span class="kw">let </span><span class="kw-2">mut </span>n = <span class="macro">try!</span>(<span class="macro">try!</span>(<span class="self">self</span>.parse_first_char()).ok_or(Error::Empty));
<span class="lifetime">&#39;outer</span>: <span class="kw">loop </span>{
<span class="kw">let </span><span class="kw-2">mut </span>off = <span class="self">self</span>.off();
<span class="kw">while let </span><span class="prelude-val">Some</span>(c) = <span class="self">self</span>.iter.next() {
<span class="kw">match </span>c {
<span class="string">&#39;0&#39;</span>...<span class="string">&#39;9&#39; </span>=&gt; {
n = <span class="macro">try!</span>(n.checked_mul(<span class="number">10</span>)
.and_then(|x| x.checked_add(c <span class="kw">as </span>u64 - <span class="string">&#39;0&#39; </span><span class="kw">as </span>u64))
.ok_or(Error::NumberOverflow));
}
c <span class="kw">if </span>c.is_whitespace() =&gt; {}
<span class="string">&#39;a&#39;</span>...<span class="string">&#39;z&#39; </span>| <span class="string">&#39;A&#39;</span>...<span class="string">&#39;Z&#39; </span>=&gt; {
<span class="kw">break</span>;
}
<span class="kw">_ </span>=&gt; {
<span class="kw">return </span><span class="prelude-val">Err</span>(Error::InvalidCharacter(off));
}
}
off = <span class="self">self</span>.off();
}
<span class="kw">let </span>start = off;
<span class="kw">let </span><span class="kw-2">mut </span>off = <span class="self">self</span>.off();
<span class="kw">while let </span><span class="prelude-val">Some</span>(c) = <span class="self">self</span>.iter.next() {
<span class="kw">match </span>c {
<span class="string">&#39;0&#39;</span>...<span class="string">&#39;9&#39; </span>=&gt; {
<span class="macro">try!</span>(<span class="self">self</span>.parse_unit(n, start, off));
n = c <span class="kw">as </span>u64 - <span class="string">&#39;0&#39; </span><span class="kw">as </span>u64;
<span class="kw">continue </span><span class="lifetime">&#39;outer</span>;
}
c <span class="kw">if </span>c.is_whitespace() =&gt; <span class="kw">break</span>,
<span class="string">&#39;a&#39;</span>...<span class="string">&#39;z&#39; </span>| <span class="string">&#39;A&#39;</span>...<span class="string">&#39;Z&#39; </span>=&gt; {}
<span class="kw">_ </span>=&gt; {
<span class="kw">return </span><span class="prelude-val">Err</span>(Error::InvalidCharacter(off));
}
}
off = <span class="self">self</span>.off();
}
<span class="macro">try!</span>(<span class="self">self</span>.parse_unit(n, start, off));
n = <span class="kw">match </span><span class="macro">try!</span>(<span class="self">self</span>.parse_first_char()) {
<span class="prelude-val">Some</span>(n) =&gt; n,
<span class="prelude-val">None </span>=&gt; <span class="kw">return </span><span class="prelude-val">Ok</span>(
Duration::new(<span class="self">self</span>.current.<span class="number">0</span>, <span class="self">self</span>.current.<span class="number">1 </span><span class="kw">as </span>u32)),
};
}
}
}
<span class="doccomment">/// Parse duration object `1hour 12min 5s`
///
/// The duration object is a concatenation of time spans. Where each time
/// span is an integer number and a suffix. Supported suffixes:
///
/// * `nsec`, `ns` -- microseconds
/// * `usec`, `us` -- microseconds
/// * `msec`, `ms` -- milliseconds
/// * `seconds`, `second`, `sec`, `s`
/// * `minutes`, `minute`, `min`, `m`
/// * `hours`, `hour`, `hr`, `h`
/// * `days`, `day`, `d`
/// * `weeks`, `week`, `w`
/// * `months`, `month`, `M` -- defined as 30.44 days
/// * `years`, `year`, `y` -- defined as 365.25 days
///
/// # Examples
///
/// ```
/// use std::time::Duration;
/// use humantime::parse_duration;
///
/// assert_eq!(parse_duration(&quot;2h 37min&quot;), Ok(Duration::new(9420, 0)));
/// assert_eq!(parse_duration(&quot;32ms&quot;), Ok(Duration::new(0, 32_000_000)));
/// ```
</span><span class="kw">pub fn </span>parse_duration(s: <span class="kw-2">&amp;</span>str) -&gt; <span class="prelude-ty">Result</span>&lt;Duration, Error&gt; {
Parser {
iter: s.chars(),
src: s,
current: (<span class="number">0</span>, <span class="number">0</span>),
}.parse()
}
<span class="doccomment">/// Formats duration into a human-readable string
///
/// Note: this format is guaranteed to have same value when using
/// parse_duration, but we can change some details of the exact composition
/// of the value.
///
/// # Examples
///
/// ```
/// use std::time::Duration;
/// use humantime::format_duration;
///
/// let val1 = Duration::new(9420, 0);
/// assert_eq!(format_duration(val1).to_string(), &quot;2h 37m&quot;);
/// let val2 = Duration::new(0, 32_000_000);
/// assert_eq!(format_duration(val2).to_string(), &quot;32ms&quot;);
/// ```
</span><span class="kw">pub fn </span>format_duration(val: Duration) -&gt; FormattedDuration {
FormattedDuration(val)
}
<span class="kw">fn </span>item_plural(f: <span class="kw-2">&amp;mut </span>fmt::Formatter, started: <span class="kw-2">&amp;mut </span>bool,
name: <span class="kw-2">&amp;</span>str, value: u64)
-&gt; fmt::Result
{
<span class="kw">if </span>value &gt; <span class="number">0 </span>{
<span class="kw">if </span><span class="kw-2">*</span>started {
f.write_str(<span class="string">&quot; &quot;</span>)<span class="question-mark">?</span>;
}
<span class="macro">write!</span>(f, <span class="string">&quot;{}{}&quot;</span>, value, name)<span class="question-mark">?</span>;
<span class="kw">if </span>value &gt; <span class="number">1 </span>{
f.write_str(<span class="string">&quot;s&quot;</span>)<span class="question-mark">?</span>;
}
<span class="kw-2">*</span>started = <span class="bool-val">true</span>;
}
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>item(f: <span class="kw-2">&amp;mut </span>fmt::Formatter, started: <span class="kw-2">&amp;mut </span>bool, name: <span class="kw-2">&amp;</span>str, value: u32)
-&gt; fmt::Result
{
<span class="kw">if </span>value &gt; <span class="number">0 </span>{
<span class="kw">if </span><span class="kw-2">*</span>started {
f.write_str(<span class="string">&quot; &quot;</span>)<span class="question-mark">?</span>;
}
<span class="macro">write!</span>(f, <span class="string">&quot;{}{}&quot;</span>, value, name)<span class="question-mark">?</span>;
<span class="kw-2">*</span>started = <span class="bool-val">true</span>;
}
<span class="prelude-val">Ok</span>(())
}
<span class="kw">impl </span>fmt::Display <span class="kw">for </span>FormattedDuration {
<span class="kw">fn </span>fmt(<span class="kw-2">&amp;</span><span class="self">self</span>, f: <span class="kw-2">&amp;mut </span>fmt::Formatter) -&gt; fmt::Result {
<span class="kw">let </span>secs = <span class="self">self</span>.<span class="number">0</span>.as_secs();
<span class="kw">let </span>nanos = <span class="self">self</span>.<span class="number">0</span>.subsec_nanos();
<span class="kw">if </span>secs == <span class="number">0 </span>&amp;&amp; nanos == <span class="number">0 </span>{
f.write_str(<span class="string">&quot;0s&quot;</span>)<span class="question-mark">?</span>;
<span class="kw">return </span><span class="prelude-val">Ok</span>(());
}
<span class="kw">let </span>years = secs / <span class="number">31557600</span>; <span class="comment">// 365.25d
</span><span class="kw">let </span>ydays = secs % <span class="number">31557600</span>;
<span class="kw">let </span>months = ydays / <span class="number">2630016</span>; <span class="comment">// 30.44d
</span><span class="kw">let </span>mdays = ydays % <span class="number">2630016</span>;
<span class="kw">let </span>days = mdays / <span class="number">86400</span>;
<span class="kw">let </span>day_secs = mdays % <span class="number">86400</span>;
<span class="kw">let </span>hours = day_secs / <span class="number">3600</span>;
<span class="kw">let </span>minutes = day_secs % <span class="number">3600 </span>/ <span class="number">60</span>;
<span class="kw">let </span>seconds = day_secs % <span class="number">60</span>;
<span class="kw">let </span>millis = nanos / <span class="number">1_000_000</span>;
<span class="kw">let </span>micros = nanos / <span class="number">1000 </span>% <span class="number">1000</span>;
<span class="kw">let </span>nanosec = nanos % <span class="number">1000</span>;
<span class="kw">let </span><span class="kw-2">ref mut </span>started = <span class="bool-val">false</span>;
item_plural(f, started, <span class="string">&quot;year&quot;</span>, years)<span class="question-mark">?</span>;
item_plural(f, started, <span class="string">&quot;month&quot;</span>, months)<span class="question-mark">?</span>;
item_plural(f, started, <span class="string">&quot;day&quot;</span>, days)<span class="question-mark">?</span>;
item(f, started, <span class="string">&quot;h&quot;</span>, hours <span class="kw">as </span>u32)<span class="question-mark">?</span>;
item(f, started, <span class="string">&quot;m&quot;</span>, minutes <span class="kw">as </span>u32)<span class="question-mark">?</span>;
item(f, started, <span class="string">&quot;s&quot;</span>, seconds <span class="kw">as </span>u32)<span class="question-mark">?</span>;
item(f, started, <span class="string">&quot;ms&quot;</span>, millis)<span class="question-mark">?</span>;
item(f, started, <span class="string">&quot;us&quot;</span>, micros)<span class="question-mark">?</span>;
item(f, started, <span class="string">&quot;ns&quot;</span>, nanosec)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
}
<span class="attribute">#[cfg(test)]
</span><span class="kw">mod </span>test {
<span class="kw">extern crate </span>rand;
<span class="kw">use </span>std::time::Duration;
<span class="kw">use </span><span class="self">self</span>::rand::Rng;
<span class="kw">use super</span>::{parse_duration, format_duration};
<span class="kw">use </span><span class="kw">super</span>::Error;
<span class="attribute">#[test]
</span><span class="kw">fn </span>test_units() {
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;17nsec&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">0</span>, <span class="number">17</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;17nanos&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">0</span>, <span class="number">17</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;33ns&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">0</span>, <span class="number">33</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;3usec&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">0</span>, <span class="number">3000</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;78us&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">0</span>, <span class="number">78000</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;31msec&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">0</span>, <span class="number">31000000</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;31millis&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">0</span>, <span class="number">31000000</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;6ms&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">0</span>, <span class="number">6000000</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;3000s&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">3000</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;300sec&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">300</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;300secs&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">300</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;50seconds&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">50</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;1second&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">1</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;100m&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">6000</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;12min&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">720</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;12mins&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">720</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;1minute&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">60</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;7minutes&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">420</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;2h&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">7200</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;7hr&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">25200</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;7hrs&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">25200</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;1hour&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">3600</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;24hours&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">86400</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;1day&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">86400</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;2days&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">172800</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;365d&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">31536000</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;1week&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">604800</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;7weeks&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">4233600</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;52w&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">31449600</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;1month&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">2630016</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;3months&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">3</span><span class="kw-2">*</span><span class="number">2630016</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;12M&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">31560192</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;1year&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">31557600</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;7years&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">7</span><span class="kw-2">*</span><span class="number">31557600</span>, <span class="number">0</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;17y&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">536479200</span>, <span class="number">0</span>)));
}
<span class="attribute">#[test]
</span><span class="kw">fn </span>test_combo() {
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;20 min 17 nsec &quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">1200</span>, <span class="number">17</span>)));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;2h 15m&quot;</span>), <span class="prelude-val">Ok</span>(Duration::new(<span class="number">8100</span>, <span class="number">0</span>)));
}
<span class="attribute">#[test]
</span><span class="kw">fn </span>all_86400_seconds() {
<span class="kw">for </span>second <span class="kw">in </span><span class="number">0</span>..<span class="number">86400 </span>{ <span class="comment">// scan leap year and non-leap year
</span><span class="kw">let </span>d = Duration::new(second, <span class="number">0</span>);
<span class="macro">assert_eq!</span>(d,
parse_duration(<span class="kw-2">&amp;</span>format_duration(d).to_string()).unwrap());
}
}
<span class="attribute">#[test]
</span><span class="kw">fn </span>random_second() {
<span class="kw">for _ in </span><span class="number">0</span>..<span class="number">10000 </span>{
<span class="kw">let </span>sec = rand::thread_rng().gen_range(<span class="number">0</span>, <span class="number">253370764800</span>);
<span class="kw">let </span>d = Duration::new(sec, <span class="number">0</span>);
<span class="macro">assert_eq!</span>(d,
parse_duration(<span class="kw-2">&amp;</span>format_duration(d).to_string()).unwrap());
}
}
<span class="attribute">#[test]
</span><span class="kw">fn </span>random_any() {
<span class="kw">for _ in </span><span class="number">0</span>..<span class="number">10000 </span>{
<span class="kw">let </span>sec = rand::thread_rng().gen_range(<span class="number">0</span>, <span class="number">253370764800</span>);
<span class="kw">let </span>nanos = rand::thread_rng().gen_range(<span class="number">0</span>, <span class="number">1_000_000_000</span>);
<span class="kw">let </span>d = Duration::new(sec, nanos);
<span class="macro">assert_eq!</span>(d,
parse_duration(<span class="kw-2">&amp;</span>format_duration(d).to_string()).unwrap());
}
}
<span class="attribute">#[test]
</span><span class="kw">fn </span>test_overlow() {
<span class="comment">// Overflow on subseconds is earlier because of how we do conversion
// we could fix it, but I don&#39;t see any good reason for this
</span><span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;100000000000000000000ns&quot;</span>),
<span class="prelude-val">Err</span>(Error::NumberOverflow));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;100000000000000000us&quot;</span>),
<span class="prelude-val">Err</span>(Error::NumberOverflow));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;100000000000000ms&quot;</span>),
<span class="prelude-val">Err</span>(Error::NumberOverflow));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;100000000000000000000s&quot;</span>),
<span class="prelude-val">Err</span>(Error::NumberOverflow));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;10000000000000000000m&quot;</span>),
<span class="prelude-val">Err</span>(Error::NumberOverflow));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;1000000000000000000h&quot;</span>),
<span class="prelude-val">Err</span>(Error::NumberOverflow));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;100000000000000000d&quot;</span>),
<span class="prelude-val">Err</span>(Error::NumberOverflow));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;10000000000000000w&quot;</span>),
<span class="prelude-val">Err</span>(Error::NumberOverflow));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;1000000000000000M&quot;</span>),
<span class="prelude-val">Err</span>(Error::NumberOverflow));
<span class="macro">assert_eq!</span>(parse_duration(<span class="string">&quot;10000000000000y&quot;</span>),
<span class="prelude-val">Err</span>(Error::NumberOverflow));
}
}
</code></pre></div>
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