| /* |
| * 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 Iterable<E> skipWhile(bool test(E value)) |
| * Returns an [Iterable] that skips elements while [test] is satisfied. |
| * @description Checks that all first elements that satisfy test are skipped, |
| * and elements after that are retained. |
| * @author msyabro |
| */ |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float32x4 pack(v) => new Float32x4.splat(v); |
| |
| equal(obj1, obj2) { |
| var res = obj1.equal(obj2); |
| return res.flagX && res.flagY && res.flagZ && res.flagW; |
| } |
| |
| void check(List<Float32x4> list, bool test(Float32x4 element)) { |
| var l = new Float32x4List.fromList(list); |
| var it0 = l.iterator; |
| var res = l.skipWhile(test); |
| var it = res.iterator; |
| var skipCount = 0; |
| |
| // skip manually |
| var hasNext0; |
| while ((hasNext0 = it0.moveNext()) && test(it0.current)) { |
| skipCount++; |
| } |
| |
| // check that the rest of a0 is identical to a |
| var len = 0; |
| for (;;) { |
| var hasNext = it.moveNext(); |
| Expect.equals(hasNext0, hasNext); |
| if (!hasNext0) break; |
| len++; |
| Expect.isTrue(equal(it0.current, it.current)); |
| hasNext0 = it0.moveNext(); |
| } |
| Expect.equals(l.length - skipCount, len); |
| } |
| |
| main() { |
| List<Float32x4> a0 = |
| [pack(1.0), pack(3.0), pack(7.0), pack(4.0), pack(5.0), pack(6.0)]; |
| check(a0, (var element) => element.x == 1.0); |
| check(a0, (var element) => true); |
| check(a0, (var element) => false); |
| check(a0, (var element) => element.x > 4.0); |
| check(a0, (var element) => element.x < 4.0); |
| check(a0, (var element) => element.x == 4.0); |
| } |