aaac7fed
 liuqimichale
add
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var assert = require('assert')
var UINT64 = require('..').UINT64
describe('and method', function () {
describe('0&1', function () {
it('should return 0', function (done) {
var u = UINT64(0).and( UINT64(1) )
assert.equal( u.toNumber(), 0 )
done()
})
})
describe('1&2', function () {
it('should return 0', function (done) {
var u = UINT64(1).and( UINT64(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 = UINT64(1).and( UINT64(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 = UINT64(n).and( UINT64(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 = UINT64(n).and( UINT64(n) )
assert.equal( u.toNumber(), n )
done()
})
})
})
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