File size: 1,348 Bytes
5641073
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
'use strict';

var test = require('tape');
var inspect = require('object-inspect');
var forEach = require('for-each');
var v = require('es-value-fixtures');
var availableTypedArrays = require('available-typed-arrays')();

var isArrayBuffer = require('..');

test('isArrayBuffer', function (t) {
	t.equal(typeof isArrayBuffer, 'function', 'is a function');

	var nonABs = v.primitives.concat(
		v.objects,
		typeof SharedArrayBuffer === 'function' ? new SharedArrayBuffer() : []
	);
	forEach(nonABs, function (nonAB) {
		t.equal(isArrayBuffer(nonAB), false, inspect(nonAB) + ' is not an ArrayBuffer');
	});

	t.test('actual ArrayBuffer instances', { skip: typeof ArrayBuffer === 'undefined' }, function (st) {
		var ab = new ArrayBuffer();
		st.equal(isArrayBuffer(ab), true, inspect(ab) + ' is an ArrayBuffer');

		var ab42 = new ArrayBuffer(42);
		st.equal(isArrayBuffer(ab42), true, inspect(ab42) + ' is an ArrayBuffer');

		st.end();
	});

	t.test('Typed Arrays', { skip: availableTypedArrays.length === 0 }, function (st) {
		forEach(availableTypedArrays, function (TypedArray) {
			var ta = new global[TypedArray](0);
			st.equal(isArrayBuffer(ta.buffer), true, inspect(ta.buffer) + ', the TA\'s buffer, is an ArrayBuffer');
			st.equal(isArrayBuffer(ta), false, inspect(ta) + ' is not an ArrayBuffer');
		});

		st.end();
	});

	t.end();
});