system_assignation/node_modules/cuint/test/UINT64_not-test.js

46 lines
860 B
JavaScript

var assert = require('assert')
var UINT64 = require('..').UINT64
describe('not method', function () {
describe('0', function () {
it('should return 2^64-1', function (done) {
var u = UINT64(0).not()
assert.equal( u.toString(16), 'ffffffffffffffff' )
done()
})
})
describe('1', function () {
it('should return 2^64-2', function (done) {
var u = UINT64(1).not()
assert.equal( u.toString(16), 'fffffffffffffffe' )
done()
})
})
describe('2^63', function() {
var u = UINT64(0xFFFF, 0xFFFF, 0xFFFF, 0x7FFF).not()
assert.equal( u.toString(16), '8000000000000000')
})
describe('all bits set', function () {
it('should return 0', function (done) {
var u = UINT64(0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF).not()
assert.equal( u.toString(), '0' )
done()
})
})
})