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Add unit test to verify basic properties of the SuggestionMap
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1 changed files with 47 additions and 1 deletions
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@ -131,7 +131,7 @@ impl SuggestionMap {
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let start = fold_edit.new.start;
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let end = FoldOffset(start.0 + fold_edit.old_len().0);
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if let Some(suggestion) = snapshot.suggestion.as_mut() {
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if end < suggestion.position {
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if end <= suggestion.position {
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suggestion.position.0 += fold_edit.new_len().0;
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suggestion.position.0 -= fold_edit.old_len().0;
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} else if start > suggestion.position {
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@ -345,6 +345,52 @@ mod tests {
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use settings::Settings;
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use std::env;
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#[gpui::test]
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fn test_basic(cx: &mut MutableAppContext) {
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let buffer = MultiBuffer::build_simple("abcdefghi", cx);
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let buffer_edits = buffer.update(cx, |buffer, _| buffer.subscribe());
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let (mut fold_map, fold_snapshot) = FoldMap::new(buffer.read(cx).snapshot(cx));
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let (suggestion_map, suggestion_snapshot) = SuggestionMap::new(fold_snapshot.clone());
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assert_eq!(suggestion_snapshot.text(), "abcdefghi");
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let (suggestion_snapshot, _) = suggestion_map.replace(
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Some(Suggestion {
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position: 3,
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text: "123\n456".into(),
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highlight_style: Default::default(),
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}),
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fold_snapshot,
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Default::default(),
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);
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assert_eq!(suggestion_snapshot.text(), "abc123\n456defghi");
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buffer.update(cx, |buffer, cx| {
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buffer.edit(
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[(0..0, "ABC"), (3..3, "DEF"), (4..4, "GHI"), (9..9, "JKL")],
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None,
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cx,
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)
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});
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let (fold_snapshot, fold_edits) = fold_map.read(
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buffer.read(cx).snapshot(cx),
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buffer_edits.consume().into_inner(),
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);
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let (suggestion_snapshot, _) = suggestion_map.sync(fold_snapshot.clone(), fold_edits);
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assert_eq!(suggestion_snapshot.text(), "ABCabcDEF123\n456dGHIefghiJKL");
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let (mut fold_map_writer, _, _) =
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fold_map.write(buffer.read(cx).snapshot(cx), Default::default());
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let (fold_snapshot, fold_edits) = fold_map_writer.fold([0..3]);
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let (suggestion_snapshot, _) = suggestion_map.sync(fold_snapshot, fold_edits);
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assert_eq!(suggestion_snapshot.text(), "⋯abcDEF123\n456dGHIefghiJKL");
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let (mut fold_map_writer, _, _) =
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fold_map.write(buffer.read(cx).snapshot(cx), Default::default());
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let (fold_snapshot, fold_edits) = fold_map_writer.fold([6..10]);
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let (suggestion_snapshot, _) = suggestion_map.sync(fold_snapshot, fold_edits);
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assert_eq!(suggestion_snapshot.text(), "⋯abc⋯GHIefghiJKL");
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}
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#[gpui::test(iterations = 100)]
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fn test_random_suggestions(cx: &mut MutableAppContext, mut rng: StdRng) {
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cx.set_global(Settings::test(cx));
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