| // Copyright (c) 2012, 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. |
| // Dart test program for testing class 'StringBase' (currently VM specific). |
| |
| library string_base_test; |
| |
| import "package:expect/expect.dart"; |
| |
| class StringBaseTest { |
| StringBaseTest() {} |
| |
| toString() { |
| return "StringBase Tester"; |
| } |
| |
| static testInterpolation() { |
| var answer = 40 + 2; |
| var s = "The answer is $answer."; |
| Expect.equals("The answer is 42.", s); |
| |
| int numBottles = 33; |
| String wall = "wall"; |
| s = "${numBottles*3} bottles of beer on the $wall."; |
| Expect.equals("99 bottles of beer on the wall.", s); |
| } |
| |
| static testCreation() { |
| String s = "Hello"; |
| List<int> a = new List(s.length); |
| List<int> ga = new List(); |
| bool exception_caught = false; |
| for (int i = 0; i < a.length; i++) { |
| a[i] = s.codeUnitAt(i); |
| ga.add(s.codeUnitAt(i)); |
| } |
| try { |
| String s4 = new String.fromCharCodes([-1]); |
| } on ArgumentError catch (ex) { |
| exception_caught = true; |
| } |
| Expect.equals(true, exception_caught); |
| } |
| |
| static testSubstring() { |
| String s = "Hello World"; |
| Expect.equals("World", s.substring(6, s.length)); |
| Expect.equals("", s.substring(8, 8)); |
| bool exception_caught = false; |
| try { |
| s.substring(5, 12); |
| } on RangeError catch (ex) { |
| exception_caught = true; |
| } |
| Expect.equals(true, exception_caught); |
| exception_caught = false; |
| try { |
| s.substring(5, 4); |
| } on RangeError catch (ex) { |
| exception_caught = true; |
| } |
| Expect.equals(true, exception_caught); |
| } |
| |
| static void testMain() { |
| testInterpolation(); |
| testCreation(); |
| testSubstring(); |
| } |
| } |
| |
| main() { |
| StringBaseTest.testMain(); |
| } |