| // 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 bool isEmpty |
| /// Returns true if there are no elements in this collection. |
| /// @description Checks that true is returned if an instance of Int32x4List is |
| /// empty, false otherwise. |
| /// @author ngl@unipro.ru |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Int32x4 i32x4(n) => new Int32x4(n, n, n, n); |
| |
| main() { |
| var l = new Int32x4List(0); |
| Expect.isTrue(l.isEmpty); |
| l = new Int32x4List(1); |
| Expect.isFalse(l.isEmpty); |
| |
| l = new Int32x4List.fromList([]); |
| Expect.isTrue(l.isEmpty); |
| l = new Int32x4List.fromList([i32x4(11), i32x4(12)]); |
| Expect.isFalse(l.isEmpty); |
| |
| var buffer = l.buffer; |
| l = new Int32x4List.view(buffer, 0, 0); |
| Expect.isTrue(l.isEmpty); |
| l = new Int32x4List.view(buffer, 0, 1); |
| Expect.isFalse(l.isEmpty); |
| } |