biobulkbende.org/node_modules/is-buffer/test/basic.js

25 lines
958 B
JavaScript
Raw Normal View History

2020-09-16 12:23:28 +00:00
var isBuffer = require('../')
var test = require('tape')
test('is-buffer', function (t) {
t.equal(isBuffer(Buffer.alloc(4)), true, 'new Buffer(4)')
t.equal(isBuffer(Buffer.allocUnsafeSlow(100)), true, 'SlowBuffer(100)')
t.equal(isBuffer(undefined), false, 'undefined')
t.equal(isBuffer(null), false, 'null')
t.equal(isBuffer(''), false, 'empty string')
t.equal(isBuffer(true), false, 'true')
t.equal(isBuffer(false), false, 'false')
t.equal(isBuffer(0), false, '0')
t.equal(isBuffer(1), false, '1')
t.equal(isBuffer(1.0), false, '1.0')
t.equal(isBuffer('string'), false, 'string')
t.equal(isBuffer({}), false, '{}')
t.equal(isBuffer([]), false, '[]')
t.equal(isBuffer(function foo () {}), false, 'function foo () {}')
t.equal(isBuffer({ isBuffer: null }), false, '{ isBuffer: null }')
t.equal(isBuffer({ isBuffer: function () { throw new Error() } }), false, '{ isBuffer: function () { throw new Error() } }')
t.end()
})