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use criterion::{criterion_group, criterion_main};
use criterion::Criterion;
use criterion::Fun;
use ra_text_edit::AtomTextEdit;
use ra_text_edit::test_utils::{arb_edits_custom, arb_offset};
use ra_editor::line_index_utils;
use ra_editor::LineIndex;
use ra_syntax::TextUnit;
use proptest::test_runner;
use proptest::string::string_regex;
use proptest::strategy::{Strategy, ValueTree};
use rand_xorshift::XorShiftRng;
use rand::SeedableRng;
use lazy_static::lazy_static;
#[derive(Debug)]
struct Data {
text: String,
line_index: LineIndex,
edits: Vec<AtomTextEdit>,
offset: TextUnit,
}
fn setup_data() -> Data {
let mut runner = test_runner::TestRunner::default();
{
struct TestRng {
rng: XorShiftRng,
}
// HACK to be able to manually seed the TestRunner
let rng: &mut TestRng = unsafe { std::mem::transmute(runner.rng()) };
rng.rng = XorShiftRng::seed_from_u64(0);
}
let text = {
let arb = string_regex("([a-zA-Z_0-9]{10,50}.{1,5}\n){100,500}").unwrap();
let tree = arb.new_tree(&mut runner).unwrap();
tree.current()
};
let edits = {
let arb = arb_edits_custom(&text, 99, 100);
let tree = arb.new_tree(&mut runner).unwrap();
tree.current()
};
let offset = {
let arb = arb_offset(&text);
let tree = arb.new_tree(&mut runner).unwrap();
tree.current()
};
let line_index = LineIndex::new(&text);
Data {
text,
line_index,
edits,
offset,
}
}
lazy_static! {
static ref DATA: Data = setup_data();
}
fn compare_translates(c: &mut Criterion) {
let f1 = Fun::new("translate_after_edit", |b, _| {
b.iter(|| {
let d = &*DATA;
line_index_utils::translate_after_edit(&d.text, d.offset, d.edits.clone());
})
});
let f2 = Fun::new("translate_offset_with_edit", |b, _| {
b.iter(|| {
let d = &*DATA;
line_index_utils::translate_offset_with_edit(&d.line_index, d.offset, &d.edits);
})
});
let functions = vec![f1, f2];
c.bench_functions("translate", functions, ());
}
criterion_group!(benches, compare_translates);
criterion_main!(benches);
|
