add failing test, fix test, the feature is actually not done. thi is so tdd - #9764

src/vs/editor/contrib/snippet/common/snippet.ts

@@ -59,6 +59,27 @@ export class CodeSnippet implements ICodeSnippet {
 		this.parseTemplate(snippetTemplate);
 	}
 
+	get isInsertOnly(): boolean {
+		return this.placeHolders.length === 0;
+	}
+
+	get isSingleTabstopOnly(): boolean {
+		if (this.placeHolders.length !== 1) {
+			return false;
+		}
+
+		const [placeHolder] = this.placeHolders;
+		if (placeHolder.value !== '' || placeHolder.occurences.length !== 1) {
+			return false;
+		}
+
+		const [placeHolderRange] = placeHolder.occurences;
+		if (!Range.isEmpty(placeHolderRange)) {
+			return false;
+		}
+		return true;
+	}
+
 	private parseTemplate(template: string): void {
 
 		var placeHoldersMap: collections.IStringDictionary<IPlaceHolder> = {};

src/vs/editor/contrib/snippet/common/snippetController.ts

@@ -380,9 +380,11 @@ export class SnippetController {
 
 	public run(snippet: CodeSnippet, overwriteBefore: number, overwriteAfter: number, stripPrefix?: boolean): void {
 		this._runAndRestoreController(() => {
-			if (snippet.placeHolders.length === 0) {
-				// No placeholders => execute for all editor selections
+			if (snippet.isInsertOnly || snippet.isSingleTabstopOnly) {
+				// Only inserts text, not placeholders, tabstops etc
+				// Only cursor endposition
 				this._runForAllSelections(snippet, overwriteBefore, overwriteAfter, stripPrefix);
+
 			} else {
 				let prepared = SnippetController._prepareSnippet(this._editor, this._editor.getSelection(), snippet, overwriteBefore, overwriteAfter, stripPrefix);
 				this._runPreparedSnippetForPrimarySelection(prepared, true);

src/vs/editor/contrib/snippet/test/common/snippetController.test.ts

@@ -7,6 +7,7 @@
 import * as assert from 'assert';
 import {Range} from 'vs/editor/common/core/range';
 import {Position} from 'vs/editor/common/core/position';
+import {Selection} from 'vs/editor/common/core/selection';
 import {CodeSnippet} from 'vs/editor/contrib/snippet/common/snippet';
 import {SnippetController} from 'vs/editor/contrib/snippet/common/snippetController';
 import {MockCodeEditor, withMockCodeEditor} from 'vs/editor/test/common/mocks/mockCodeEditor';
@@ -219,4 +220,21 @@ suite('SnippetController', () => {
 			assert.equal(snippetController.isInSnippetMode(), false);
 		});
 	});
+
+	test('Final tabstop with multiple selection', () => {
+		snippetTest((editor, cursor, codeSnippet, snippetController) => {
+			editor.setSelections([
+				new Selection(1, 1, 1, 1),
+				new Selection(2, 1, 2, 1),
+			]);
+
+			codeSnippet = new CodeSnippet('foo{{}}');
+			snippetController.run(codeSnippet, 0, 0, false);
+
+			assert.equal(editor.getSelections().length, 2);
+			const [first, second] = editor.getSelections();
+			assert.ok(first.equalsRange({ startLineNumber: 1, startColumn: 4, endLineNumber: 1, endColumn: 4 }));
+			assert.ok(second.equalsRange({ startLineNumber: 2, startColumn: 4, endLineNumber: 2, endColumn: 4 }));
+		});
+	});
 });
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