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Diffstat (limited to 'alarm/node_modules/cuint/test/UINT32_rotateLeft-test.js')
-rw-r--r-- | alarm/node_modules/cuint/test/UINT32_rotateLeft-test.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/alarm/node_modules/cuint/test/UINT32_rotateLeft-test.js b/alarm/node_modules/cuint/test/UINT32_rotateLeft-test.js new file mode 100644 index 0000000..3a758ee --- /dev/null +++ b/alarm/node_modules/cuint/test/UINT32_rotateLeft-test.js @@ -0,0 +1,51 @@ +var assert = require('assert') +var UINT32 = require('..').UINT32 + +describe('rotateLeft method', function () { + + describe('0rotl1', function () { + + it('should return 0', function (done) { + var u = UINT32(0).rotateLeft(1) + + assert.equal( u.toNumber(), 0 ) + done() + }) + + }) + + describe('1rotl2', function () { + + it('should return 4', function (done) { + var u = UINT32(1).rotateLeft(2) + + assert.equal( u.toNumber(), 4 ) + done() + }) + + }) + + describe('1rotl16', function () { + + it('should return 2^16', function (done) { + var n = Math.pow(2, 16) + var u = UINT32(1).rotateLeft(16) + + assert.equal( u.toNumber(), n ) + done() + }) + + }) + + describe('1rotl32', function () { + + it('should return 1', function (done) { + var u = UINT32(1).rotateLeft(32) + + assert.equal( u.toNumber(), 1 ) + done() + }) + + }) + +}) |