test262/test/built-ins/DataView/tolength-bytelength.js

42 lines
1.1 KiB
JavaScript

// 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: >
ToLength(byteLength) conversions
info: |
24.2.2.1 DataView (buffer, byteOffset, byteLength )
...
17. Return O.
---*/
var sample;
var buffer = new ArrayBuffer(2);
sample = new DataView(buffer, 0, true);
assert.sameValue(sample.byteLength, 1, "true");
sample = new DataView(buffer, 0, false);
assert.sameValue(sample.byteLength, 0, "false");
sample = new DataView(buffer, 0, "1");
assert.sameValue(sample.byteLength, 1, "string 1");
sample = new DataView(buffer, 0, "");
assert.sameValue(sample.byteLength, 0, "the empty string");
sample = new DataView(buffer, 0, [1]);
assert.sameValue(sample.byteLength, 1, "[1]");
sample = new DataView(buffer, 0, []);
assert.sameValue(sample.byteLength, 0, "[]");
sample = new DataView(buffer, 0, NaN);
assert.sameValue(sample.byteLength, 0, "NaN");
sample = new DataView(buffer, 0, null);
assert.sameValue(sample.byteLength, 0, "null");