| // Copyright (c) 2017, 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 Iterable<E> getRange(int start, int end) |
| /// ... |
| /// The provide range, given by start and end, must be valid at the time of the |
| /// call. |
| /// A range from start to end is valid if 0 <= start <= end <= len, where len is |
| /// this list's length. The range starts at start and has length end - start. |
| /// @description Checks that an error is thrown if the range isn't valid. |
| /// @author ngl@unipro.ru |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Int32x4 i32x4(n) => new Int32x4(n, n, n, n); |
| |
| equal(o1, o2) => o1.x == o2.x && o1.y == o2.y && o1.z == o2.z && o1.w == o2.w; |
| |
| void check(List<Int32x4> list, int start, int end) { |
| var l = new Int32x4List.fromList(list); |
| var res = l.getRange(start, end); |
| var it = res.iterator; |
| var i = start; |
| while (it.moveNext()) { |
| Expect.isTrue(equal(l[i++], it.current)); |
| } |
| } |
| |
| main() { |
| var list = [i32x4(0), i32x4(1), i32x4(2), i32x4(3), i32x4(4), i32x4(5)]; |
| var l = new Int32x4List.fromList(list); |
| |
| Expect.throws(() { |
| l.getRange(-1, 2); |
| }); |
| |
| Expect.throws(() { |
| l.getRange(1, -1); |
| }); |
| |
| Expect.throws(() { |
| l.getRange(9, 6); |
| }); |
| |
| Expect.throws(() { |
| l.getRange(4, 7); |
| }); |
| } |