fix #49895

src/vs/editor/contrib/suggest/completionModel.ts

@@ -106,13 +106,16 @@ export class CompletionModel {
 
 	adopt(except: Set<ISuggestSupport>): ISuggestionItem[] {
 		let res = new Array<ISuggestionItem>();
-		for (let i = 0; i < this._items.length; i++) {
+		for (let i = 0; i < this._items.length;) {
 			if (!except.has(this._items[i].support)) {
 				res.push(this._items[i]);
 
 				// unordered removed
 				this._items[i] = this._items[this._items.length - 1];
 				this._items.pop();
+			} else {
+				// continue with next item
+				i++;
 			}
 		}
 		this._refilterKind = Refilter.All;

src/vs/editor/contrib/suggest/test/completionModel.test.ts

@@ -107,6 +107,35 @@ suite('CompletionModel', function () {
 		assert.ok(complete[0] === completeItem);
 	});
 
+	test('Fuzzy matching of snippets stopped working with inline snippet suggestions #49895', function () {
+		const completeItem1 = createSuggestItem('foobar1', 1, undefined, false, { lineNumber: 1, column: 2 });
+		const completeItem2 = createSuggestItem('foobar2', 1, undefined, false, { lineNumber: 1, column: 2 });
+		const completeItem3 = createSuggestItem('foobar3', 1, undefined, false, { lineNumber: 1, column: 2 });
+		const completeItem4 = createSuggestItem('foobar4', 1, undefined, false, { lineNumber: 1, column: 2 });
+		const completeItem5 = createSuggestItem('foobar5', 1, undefined, false, { lineNumber: 1, column: 2 });
+		const incompleteItem1 = createSuggestItem('foofoo1', 1, undefined, true, { lineNumber: 1, column: 2 });
+
+		const model = new CompletionModel(
+			[
+				completeItem1,
+				completeItem2,
+				completeItem3,
+				completeItem4,
+				completeItem5,
+				incompleteItem1,
+			], 2, { leadingLineContent: 'f', characterCountDelta: 0 }
+		);
+		assert.equal(model.incomplete.size, 1);
+		assert.equal(model.items.length, 6);
+
+		const { incomplete } = model;
+		const complete = model.adopt(incomplete);
+
+		assert.equal(incomplete.size, 1);
+		assert.ok(incomplete.has(incompleteItem1.support));
+		assert.equal(complete.length, 5);
+	});
+
 	test('proper current word when length=0, #16380', function () {
 
 		model = new CompletionModel([