summaryrefslogtreecommitdiff
path: root/school/node_modules/cuint/test/UINT64_and-test.js
blob: 5e9cdf40c648028e95fac2796003f1ea3de226d6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
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()
    })

  })

})