// 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 a = new List.filled(s.length, -1); List ga = []; 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(); }