LibTest/typed_data/Int32x4List/asMap_A02_t01.dart

/*
 * 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 Map<int, E> asMap()
 * ...
 * The Map.keys Iterable iterates the indices of this list in numerical order.
 * @description Checks that Map.keys Iterable iterates the indices of this list
 * in numerical order.
 * @author ngl@unipro.ru
 */

import "dart:typed_data";
import "../../../Utils/expect.dart";

Int32x4 i32x4p(n) => new Int32x4(n, n + 1, n + 2, n + 3);

void check(list) {
  var l = new Int32x4List.fromList(list);
  var m = l.asMap();
  var it = m.keys.iterator;
  var i = 0;
  while (it.moveNext()) {
    Expect.equals(i++, it.current);
  }
}

main() {
  check([i32x4p(1)]);
  check([i32x4p(10), i32x4p(11), i32x4p(12), i32x4p(13)]);
  check([
    i32x4p(0), i32x4p(1), i32x4p(2), i32x4p(3), i32x4p(4), i32x4p(5), i32x4p(6),
    i32x4p(7),i32x4p(8), i32x4p(9)
  ]);
}