var assert = require('assert')
|
var UINT32 = require('..').UINT32
|
|
describe('and method', function () {
|
|
describe('0&1', function () {
|
|
it('should return 0', function (done) {
|
var u = UINT32(0).and( UINT32(1) )
|
|
assert.equal( u.toNumber(), 0 )
|
done()
|
})
|
|
})
|
|
describe('1&2', function () {
|
|
it('should return 0', function (done) {
|
var u = UINT32(1).and( UINT32(2) )
|
|
assert.equal( u.toNumber(), 0 )
|
done()
|
})
|
|
})
|
|
describe('1&2^16', function () {
|
|
it('should return 0', function (done) {
|
var n = Math.pow(2, 16)
|
var u = UINT32(1).and( UINT32(n) )
|
|
assert.equal( u.toNumber(), 0 )
|
done()
|
})
|
|
})
|
|
describe('2^16&1', function () {
|
|
it('should return 0', function (done) {
|
var n = Math.pow(2, 16)
|
var u = UINT32(n).and( UINT32(1) )
|
|
assert.equal( u.toNumber(), 0 )
|
done()
|
})
|
|
})
|
|
describe('2^16&2^16', function () {
|
|
it('should return n', function (done) {
|
var n = Math.pow(2, 16)
|
var u = UINT32(n).and( UINT32(n) )
|
|
assert.equal( u.toNumber(), n )
|
done()
|
})
|
|
})
|
|
})
|
