File: defined-byteoffset.js

package info (click to toggle)
qtdeclarative-opensource-src 5.15.2%2Bdfsg-6
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 259,220 kB
  • sloc: javascript: 512,396; cpp: 493,894; xml: 8,892; python: 3,304; ansic: 2,764; sh: 206; makefile: 59; php: 27
file content (52 lines) | stat: -rw-r--r-- 1,978 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es6id: 24.2.2.1
esid: sec-dataview-buffer-byteoffset-bytelength
description: >
  Return new instance from defined offset
info: |
  24.2.2.1 DataView (buffer, byteOffset, byteLength )

  ...
  17. Return O.
---*/

var sample;
var buffer = new ArrayBuffer(4);

sample = new DataView(buffer, 0);
assert.sameValue(sample.byteLength, 4, "sample.byteLength");
assert.sameValue(sample.byteOffset, 0, "sample.byteOffset");
assert.sameValue(sample.buffer, buffer);
assert.sameValue(sample.constructor, DataView);
assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);

sample = new DataView(buffer, 1);
assert.sameValue(sample.byteLength, 3, "sample.byteLength");
assert.sameValue(sample.byteOffset, 1, "sample.byteOffset");
assert.sameValue(sample.buffer, buffer);
assert.sameValue(sample.constructor, DataView);
assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);

sample = new DataView(buffer, 2);
assert.sameValue(sample.byteLength, 2, "sample.byteLength");
assert.sameValue(sample.byteOffset, 2, "sample.byteOffset");
assert.sameValue(sample.buffer, buffer);
assert.sameValue(sample.constructor, DataView);
assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);

sample = new DataView(buffer, 3);
assert.sameValue(sample.byteLength, 1, "sample.byteLength");
assert.sameValue(sample.byteOffset, 3, "sample.byteOffset");
assert.sameValue(sample.buffer, buffer);
assert.sameValue(sample.constructor, DataView);
assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);

sample = new DataView(buffer, 4);
assert.sameValue(sample.byteLength, 0, "sample.byteLength");
assert.sameValue(sample.byteOffset, 4, "sample.byteOffset");
assert.sameValue(sample.buffer, buffer);
assert.sameValue(sample.constructor, DataView);
assert.sameValue(Object.getPrototypeOf(sample), DataView.prototype);