Uri#fsPath should be empty when path is empty, fixes #10780

src/vs/base/common/uri.ts

@@ -126,7 +126,7 @@ export default class URI {
 	get fsPath() {
 		if (!this._fsPath) {
 			var value: string;
-			if (this._authority && this.scheme === 'file') {
+			if (this._authority && this._path && this.scheme === 'file') {
 				// unc path: file://shares/c$/far/boo
 				value = `//${this._authority}${this._path}`;
 			} else if (URI._driveLetterPath.test(this._path)) {

src/vs/base/test/common/uri.test.ts

@@ -28,6 +28,13 @@ suite('URI', () => {
 		assert.equal(URI.file('c:\\win/path').fsPath.replace(/\\/g, '/'), 'c:/win/path');
 	});
 
+	test('URI#fsPath - no `fsPath` when no `path`', () => {
+		const value = URI.parse('file://%2Fhome%2Fticino%2Fdesktop%2Fcpluscplus%2Ftest.cpp');
+		assert.equal(value.authority, '/home/ticino/desktop/cpluscplus/test.cpp');
+		assert.equal(value.path, '');
+		assert.equal(value.fsPath, '');
+	});
+
 	test('http#toString', () => {
 		assert.equal(URI.from({ scheme: 'http', authority: 'www.msft.com', path: '/my/path' }).toString(), 'http://www.msft.com/my/path');
 		assert.equal(URI.from({ scheme: 'http', authority: 'www.msft.com', path: '/my/path' }).toString(), 'http://www.msft.com/my/path');