blob: 1bbf44b9f85def8b15ba8789276b66218bbce200 [file] [log] [blame]
/*
* 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 final int offsetInBytes
* Returns the offset in bytes into the underlying byte buffer of this view.
* @description Checks that the returned offset is correct.
* @author msyabro
*/
import "dart:typed_data";
import "../../../Utils/expect.dart";
pack(v) => new Float32x4.splat(v);
check(array, offset, length) {
var tmp = new Float32x4List.fromList(array);
var byteBuffer = tmp.buffer;
var l = new Float32x4List.view(byteBuffer, offset, length);
Expect.equals(offset, l.offsetInBytes);
}
main() {
var elemSize = Float32x4List.BYTES_PER_ELEMENT;
check([], 0, 0);
check([pack(1.0)], 0, 1);
check([pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0), pack(6.0), pack(7.0), pack(8.0), pack(9.0), pack(10.0)], 0, 1);
check([pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0), pack(6.0), pack(7.0), pack(8.0), pack(9.0), pack(10.0)], 9*elemSize, 1);
check([pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0), pack(6.0), pack(7.0), pack(8.0), pack(9.0), pack(10.0)], 5*elemSize, 5);
}