You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
1.1 KiB
64 lines
1.1 KiB
var assert = require('assert') |
|
var UINT32 = require('..').UINT32 |
|
|
|
describe('xor method', function () { |
|
|
|
describe('0^1', function () { |
|
|
|
it('should return 1', function (done) { |
|
var u = UINT32(0).xor( UINT32(1) ) |
|
|
|
assert.equal( u.toNumber(), 1 ) |
|
done() |
|
}) |
|
|
|
}) |
|
|
|
describe('1^2', function () { |
|
|
|
it('should return 3', function (done) { |
|
var u = UINT32(1).xor( UINT32(2) ) |
|
|
|
assert.equal( u.toNumber(), 3 ) |
|
done() |
|
}) |
|
|
|
}) |
|
|
|
describe('1^2^16', function () { |
|
|
|
it('should return n+1', function (done) { |
|
var n = Math.pow(2, 16) |
|
var u = UINT32(1).xor( UINT32(n) ) |
|
|
|
assert.equal( u.toNumber(), n+1 ) |
|
done() |
|
}) |
|
|
|
}) |
|
|
|
describe('2^16^1', function () { |
|
|
|
it('should return n+1', function (done) { |
|
var n = Math.pow(2, 16) |
|
var u = UINT32(n).xor( UINT32(1) ) |
|
|
|
assert.equal( u.toNumber(), n+1 ) |
|
done() |
|
}) |
|
|
|
}) |
|
|
|
describe('2^16^2^16', function () { |
|
|
|
it('should return 0', function (done) { |
|
var n = Math.pow(2, 16) |
|
var u = UINT32(n).xor( UINT32(n) ) |
|
|
|
assert.equal( u.toNumber(), 0 ) |
|
done() |
|
}) |
|
|
|
}) |
|
|
|
})
|
|
|