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Test blocks in display map randomized tests

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This highlighted some errors in the implementation.
This commit is contained in:
Antonio Scandurra 2021-12-16 16:14:27 +01:00
parent de679cae78
commit 7660159164
1 changed files with 61 additions and 4 deletions
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65
crates/editor/src/display_map.rs
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@ -493,9 +493,9 @@ impl ToDisplayPoint for Anchor {
mod tests {
use super::*;
use crate::{movement, test::*};
use gpui::{color::Color, MutableAppContext};
use gpui::{color::Color, elements::*, MutableAppContext};
use language::{Buffer, Language, LanguageConfig, RandomCharIter, SelectionGoal};
use rand::{prelude::StdRng, Rng};
use rand::{prelude::*, Rng};
use std::{env, sync::Arc};
use theme::SyntaxTheme;
use util::test::sample_text;
@ -541,6 +541,15 @@ mod tests {
});
let (_observer, notifications) = Observer::new(&map, &mut cx);
let mut fold_count = 0;
let mut blocks = Vec::new();
let snapshot = map.update(&mut cx, |map, cx| map.snapshot(cx));
log::info!("buffer text: {:?}", snapshot.buffer_snapshot.text());
log::info!("fold text: {:?}", snapshot.folds_snapshot.text());
log::info!("tab text: {:?}", snapshot.tabs_snapshot.text());
log::info!("wrap text: {:?}", snapshot.wraps_snapshot.text());
log::info!("block text: {:?}", snapshot.blocks_snapshot.text());
log::info!("display text: {:?}", snapshot.text());
for _i in 0..operations {
match rng.gen_range(0..100) {
@ -553,7 +562,51 @@ mod tests {
log::info!("setting wrap width to {:?}", wrap_width);
map.update(&mut cx, |map, cx| map.set_wrap_width(wrap_width, cx));
}
20..=80 => {
20..=44 => {
map.update(&mut cx, |map, cx| {
if rng.gen() || blocks.is_empty() {
let buffer = map.snapshot(cx).buffer_snapshot;
let block_properties = (0..rng.gen_range(1..=1))
.map(|_| {
let position =
buffer.anchor_after(buffer.clip_offset(
rng.gen_range(0..=buffer.len()),
Bias::Left,
));
let disposition = if rng.gen() {
BlockDisposition::Above
} else {
BlockDisposition::Below
};
let height = rng.gen_range(1..5);
log::info!(
"inserting block {:?} {:?} with height {}",
disposition,
position.to_point(&buffer),
height
);
BlockProperties {
position,
height,
disposition,
render: Arc::new(|_| Empty::new().boxed()),
}
})
.collect::<Vec<_>>();
blocks.extend(map.insert_blocks(block_properties, cx));
} else {
blocks.shuffle(&mut rng);
let remove_count = rng.gen_range(1..=4.min(blocks.len()));
let block_ids_to_remove = (0..remove_count)
.map(|_| blocks.remove(rng.gen_range(0..blocks.len())))
.collect();
log::info!("removing block ids {:?}", block_ids_to_remove);
map.remove_blocks(block_ids_to_remove, cx);
}
});
}
45..=79 => {
let mut ranges = Vec::new();
for _ in 0..rng.gen_range(1..=3) {
buffer.read_with(&cx, |buffer, cx| {
@ -588,6 +641,10 @@ mod tests {
let snapshot = map.update(&mut cx, |map, cx| map.snapshot(cx));
fold_count = snapshot.fold_count();
log::info!("buffer text: {:?}", snapshot.buffer_snapshot.text());
log::info!("fold text: {:?}", snapshot.folds_snapshot.text());
log::info!("tab text: {:?}", snapshot.tabs_snapshot.text());
log::info!("wrap text: {:?}", snapshot.wraps_snapshot.text());
log::info!("block text: {:?}", snapshot.blocks_snapshot.text());
log::info!("display text: {:?}", snapshot.text());
// Line boundaries
@ -603,7 +660,7 @@ mod tests {
assert!(next_display_bound >= point);
assert_eq!(prev_buffer_bound.column, 0);
assert_eq!(prev_display_bound.column(), 0);
if next_display_bound < snapshot.max_point() {
if next_buffer_bound < snapshot.buffer_snapshot.max_point() {
assert_eq!(
snapshot.buffer_snapshot.chars_at(next_buffer_bound).next(),
Some('\n')