diff options
Diffstat (limited to 'school/node_modules/cuint/test/UINT32_xor-test.js')
-rw-r--r-- | school/node_modules/cuint/test/UINT32_xor-test.js | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/school/node_modules/cuint/test/UINT32_xor-test.js b/school/node_modules/cuint/test/UINT32_xor-test.js new file mode 100644 index 0000000..39dcca4 --- /dev/null +++ b/school/node_modules/cuint/test/UINT32_xor-test.js @@ -0,0 +1,64 @@ +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() + }) + + }) + +}) |