| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| library string_scanner.test.utils; |
| |
| import 'package:string_scanner/string_scanner.dart'; |
| import 'package:unittest/unittest.dart'; |
| |
| /// Returns a matcher that asserts that a closure throws a [FormatException] |
| /// with the given [message]. |
| Matcher throwsStringScannerException(String text) { |
| return throwsA(predicate((error) { |
| expect(error, new isInstanceOf<StringScannerException>()); |
| expect(error.span.text, equals(text)); |
| return true; |
| })); |
| } |