Innovenergy_trunk/frontend/node_modules/cuint/test/UINT32_not-test.js

46 lines
794 B
JavaScript

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()
})
})
})