blob: 835240b0f4a43916127967246d268c9198e296a5 [file] [log] [blame]
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
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.
features: [SharedArrayBuffer]
---*/
var sample;
var buffer = new SharedArrayBuffer(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);