| // Copyright (c) 2013, 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. |
| |
| /// @assertion String join([String separator = ""]) |
| /// Converts each element to a String and concatenates the strings. |
| /// Iterates through elements of this iterable, converts each one to a String by |
| /// calling Object.toString, and then concatenates the strings, with the |
| /// separator string interleaved between the elements. |
| /// @description Checks that the returned [String] contains all elements from |
| /// [this] separated by [separator]. |
| /// @author msyabro |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| check(List<int> list, String separator, String expectedString) { |
| var l = new Uint64List.fromList(list); |
| var s = l.join(separator); |
| Expect.stringEquals(expectedString, s); |
| } |
| |
| main() { |
| check([], "", ""); |
| check([], ", ", ""); |
| check([1], ", ", "1"); |
| check([1, 2, 3, 4, 5, 6, 7, 8, 9], " ", "1 2 3 4 5 6 7 8 9"); |
| } |