1 var buffer = require('buffer')
2 var isBuffer = require('../')
3 var test = require('tape')
5 test('is-buffer', function (t) {
6 t.equal(isBuffer(new Buffer(4)), true, 'new Buffer(4)')
7 t.equal(isBuffer(buffer.SlowBuffer(100)), true, 'SlowBuffer(100)')
9 t.equal(isBuffer(undefined), false, 'undefined')
10 t.equal(isBuffer(null), false, 'null')
11 t.equal(isBuffer(''), false, 'empty string')
12 t.equal(isBuffer(true), false, 'true')
13 t.equal(isBuffer(false), false, 'false')
14 t.equal(isBuffer(0), false, '0')
15 t.equal(isBuffer(1), false, '1')
16 t.equal(isBuffer(1.0), false, '1.0')
17 t.equal(isBuffer('string'), false, 'string')
18 t.equal(isBuffer({}), false, '{}')
19 t.equal(isBuffer([]), false, '[]')
20 t.equal(isBuffer(function foo () {}), false, 'function foo () {}')
21 t.equal(isBuffer({ isBuffer: null }), false, '{ isBuffer: null }')
22 t.equal(isBuffer({ isBuffer: function () { throw new Error() } }), false, '{ isBuffer: function () { throw new Error() } }')