// https://github.com/sunng87/handlebars-rust/blob/master/benches/bench.rs
#![feature(test)]
extern crate handlebars;
extern crate rustc_serialize as serialize;
extern crate test;
use std::collections::BTreeMap;
use handlebars::Handlebars;
use serialize::json::{Json, ToJson};
static SOURCE: &'static str = "<html>
<head>
<title>{{year}}</title>
</head>
<body>
<h1>CSL {{year}}</h1>
<ul>
{{#each teams}}
<li class=\"{{#if @first}}champion{{/if}}\">
<b>{{name}}</b>: {{score}}
</li>
{{/each}}
</ul>
</body>
</html>";
fn make_data() -> BTreeMap<String, Json> {
let mut data = BTreeMap::new();
data.insert("year".to_string(), "2015".to_json());
let mut teams = Vec::new();
for v in vec![("Jiangsu", 43u16),
("Beijing", 27u16),
("Guangzhou", 22u16),
("Shandong", 12u16)]
.iter() {
let (name, score) = *v;
let mut t = BTreeMap::new();
t.insert("name".to_string(), name.to_json());
t.insert("score".to_string(), score.to_json());
teams.push(t)
}
data.insert("teams".to_string(), teams.to_json());
data
}
#[bench]
fn render_template(b: &mut test::Bencher) {
let mut handlebars = Handlebars::new();
handlebars.register_template_string("table", SOURCE.to_string())
.ok()
.expect("Invalid template format");
let data = make_data();
b.iter(|| handlebars.render("table", &data).ok().unwrap())
}