setup-python/node_modules/is-buffer/test/basic.js
Danny McCormick 39c08a0eaa Initial pass
2019-06-26 21:12:00 -04:00

25 lines
958 B
JavaScript

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()
})