diff options
Diffstat (limited to 'includes/external/school/node_modules/cuint/test/UINT64_add-test.js')
-rw-r--r-- | includes/external/school/node_modules/cuint/test/UINT64_add-test.js | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/includes/external/school/node_modules/cuint/test/UINT64_add-test.js b/includes/external/school/node_modules/cuint/test/UINT64_add-test.js new file mode 100644 index 0000000..0559c5d --- /dev/null +++ b/includes/external/school/node_modules/cuint/test/UINT64_add-test.js @@ -0,0 +1,120 @@ +var assert = require('assert') +var UINT64 = require('..').UINT64 + +describe('add method', function () { + + describe('0+0', function () { + + it('should return 0', function (done) { + var u = UINT64(0).add( UINT64(0) ) + + assert.equal( u.toNumber(), 0 ) + done() + }) + + }) + + describe('0+1', function () { + + it('should return 1', function (done) { + var u = UINT64(0).add( UINT64(1) ) + + assert.equal( u.toNumber(), 1 ) + done() + }) + + }) + + describe('1+0', function () { + + it('should return 0', function (done) { + var u = UINT64(1).add( UINT64(0) ) + + assert.equal( u.toNumber(), 1 ) + done() + }) + + }) + + describe('1+1', function () { + + it('should return 2', function (done) { + var u = UINT64(1).add( UINT64(1) ) + + assert.equal( u.toNumber(), 2 ) + done() + }) + + }) + + describe('low bit+high bit', function () { + + it('should return n', function (done) { + var n = Math.pow(2, 17) + var u = UINT64(123).add( UINT64(n) ) + + assert.equal( u.toNumber(), 123 + n ) + done() + }) + + }) + + describe('high bit+low bit', function () { + + it('should return n', function (done) { + var n = Math.pow(2, 17) + var u = UINT64(n).add( UINT64(123) ) + + assert.equal( u.toNumber(), 123 + n ) + done() + }) + + }) + + describe('high bit+high bit', function () { + + it('should return n', function (done) { + var n = Math.pow(2, 17) + var u = UINT64(n).add( UINT64(n) ) + + assert.equal( u.toNumber(), n + n ) + done() + }) + + }) + + describe('overflow', function () { + + it('should return n', function (done) { + var n = 'FFFFFFFF' + var u = UINT64(n, 16).add( UINT64(n, 16) ) + + assert.equal( u.toNumber(), -2 ) + done() + }) + + }) + + describe('high bit+high bit 2', function () { + + it('should return n', function (done) { + var u = UINT64('326648991').add( UINT64('265443576') ) + + assert.equal( u.toNumber(), 592092567 ) + done() + }) + + }) + + describe('high bit+high bit 3', function () { + + it('should return n', function (done) { + var u = UINT64('800000000000', 16).add( UINT64('100000000000', 16) ) + + assert.equal( u.toString(16), '900000000000' ) + done() + }) + + }) + +}) |