var assert = require('assert') var UINT32 = require('..').UINT32 describe('not method', function () { describe('0', function () { it('should return 2^32-1', function (done) { var u = UINT32(0).not() assert.equal( u.toString(16), 'ffffffff' ) done() }) }) describe('1', function () { it('should return 2^32-2', function (done) { var u = UINT32(1).not() assert.equal( u.toString(16), 'fffffffe' ) done() }) }) describe('2^31', function() { var u = UINT32(0x7FFFFFFF).not() assert.equal( u.toString(16), '80000000') }) describe('all bits set', function () { it('should return 0', function (done) { var u = UINT32(0xFFFFFFFF).not() assert.equal( u.toNumber(), 0 ) done() }) }) })