LibTest/typed_data/Float32x4List/asMap_A01_t01.dart

// 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 Map<int, E> asMap()
/// Returns an unmodifiable [Map] view of this.
/// The map uses the indices of this list as keys and the corresponding objects
/// as values.
/// @description Checks that the returned map has the indices of this list as
/// keys and corresponding elements as values.
/// @author msyabro


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

Float32x4 pack(x, y, z, w) => new Float32x4(x, y, z, w);

check(List<Float32x4> list) {
  var l = new Float32x4List.fromList(list);
  var m = l.asMap();
  for (int key = 0; key < list.length; ++key) {
    Expect.isTrue(m.containsKey(key));
    Expect.equals(l[key].x, m[key]?.x);
    Expect.equals(l[key].y, m[key]?.y);
    Expect.equals(l[key].z, m[key]?.z);
    Expect.equals(l[key].w, m[key]?.w);
  }
}

main() {
  check([]);
  check([pack(1.0, 0.2, 3e1, 0.012)]);
  check([
    pack(1.0, 1e-1, 0.12e1, 0.5), pack(2.0, 1e-2, 0.12e-15, 3.0),
    pack(3.0, 1e-3, 3.17e21, -0.0002e-10), pack(4.0, 1e-4, 8.64, 0.25e25),
    pack(5.0, 1e-5, 3.34e-13, 0.345235), pack(6.0, 1e-6, 0.34, 3.34),
    pack(7.0, 1e-7, 0.123e3, 9.3), pack(8.0, 1e-8, -0.34, 43.23),
    pack(9.0, 1e-9, .012e-1, 3e3), pack(10.0, 1e-10, 9.2, 4.84e-12),
    pack(11.0, 1e-11, 1e-11, 1e10), pack(12.0, 1e-12, 0.25, 1.44),
    pack(13.0, 1e-13, 0.1, -.01), pack(14.0, 1e-14, -2.1, 0.9e30),
    pack(15.0, 1e-15, 0.009, 4.1e-3)
  ]);
}