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Ensure there's at least one selection in Editor::set_selections

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This commit introduces an assertion that will cause Zed to panic as
soon as the invariant gets violated. This will be useful to investigate
issue #503.

Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2022-03-14 16:17:14 +01:00
parent be3bfb2699
commit a3ea6a34d9
2 changed files with 7 additions and 1 deletions
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3
crates/editor/src/multi_buffer.rs
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@ -3357,7 +3357,7 @@ mod tests {
}
40..=44 if !anchors.is_empty() => {
let multibuffer = multibuffer.read(cx).read(cx);
let prev_len = anchors.len();
anchors = multibuffer
.refresh_anchors(&anchors)
.into_iter()
@ -3366,6 +3366,7 @@ mod tests {
// Ensure the newly-refreshed anchors point to a valid excerpt and don't
// overshoot its boundaries.
assert_eq!(anchors.len(), prev_len);
let mut cursor = multibuffer.excerpts.cursor::<Option<&ExcerptId>>();
for anchor in &anchors {
if anchor.excerpt_id == ExcerptId::min()