| // 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 E firstWhere(bool test(E element), {E orElse()}) |
| /// Returns the first element that satisfies the given predicate test. |
| /// @description Checks that the first element that satisfies the given predicate |
| /// test is returned. |
| /// @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; |
| |
| main() { |
| var list = [i32x4(0), i32x4(1), i32x4(2), i32x4(1), i32x4(3), i32x4(4)]; |
| var l = new Int32x4List.fromList(list); |
| var res = l.firstWhere((e) => e.x > 2); |
| Expect.isTrue(equal(l[4], res)); |
| |
| res = l.firstWhere((e) => e.y == 1); |
| Expect.isTrue(equal(l[1], res)); |
| |
| res = l.firstWhere((e) => e.z < 3); |
| Expect.isTrue(equal(l[0], res)); |
| |
| res = l.firstWhere((e) => e.w > 3); |
| Expect.isTrue(equal(l[5], res)); |
| } |