LibTest/typed_data/Float32List/Float32List.view_A04_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 Float32List.view(ByteBuffer buffer, [int byteOffset = 0, int length])
 * If the [offsetInBytes] index of the region is not
 * specified, it defaults to zero (the first byte in the byte buffer).
 * @description Checks that if the [offsetInBytes] is not specified,
 * it defaults to zero.
 * @author msyabro
 */
import "dart:typed_data";
import "../../../Utils/expect.dart";

void check(array, length, firstElement, lastElement) {
  var tmp = new Float32List.fromList(array);
  var byteBuffer = tmp.buffer;
  var l = new Float32List.view(byteBuffer);
  Expect.equals(length, l.length);
  Expect.equals(firstElement, l[0]);
  Expect.equals(lastElement, l[length - 1]);
}

main() {
  check([0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0], 18, 0, 17);
  check([0.0], 1, 0, 0);
  check([100.0, 50.0], 2, 100, 50);
}