diff options
Diffstat (limited to 'school/node_modules/cuint/test/UINT32_not-test.js')
-rw-r--r-- | school/node_modules/cuint/test/UINT32_not-test.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/school/node_modules/cuint/test/UINT32_not-test.js b/school/node_modules/cuint/test/UINT32_not-test.js new file mode 100644 index 0000000..9b8e3fd --- /dev/null +++ b/school/node_modules/cuint/test/UINT32_not-test.js @@ -0,0 +1,45 @@ +var assert = require('assert') +var UINT32 = require('..').UINT32 + +describe('not method', function () { + + describe('0', function () { + + it('should return 2^32-1', function (done) { + var u = UINT32(0).not() + + assert.equal( u.toString(16), 'ffffffff' ) + done() + }) + + }) + + describe('1', function () { + + it('should return 2^32-2', function (done) { + var u = UINT32(1).not() + + assert.equal( u.toString(16), 'fffffffe' ) + done() + }) + + }) + + describe('2^31', function() { + var u = UINT32(0x7FFFFFFF).not() + + assert.equal( u.toString(16), '80000000') + }) + + describe('all bits set', function () { + + it('should return 0', function (done) { + var u = UINT32(0xFFFFFFFF).not() + + assert.equal( u.toNumber(), 0 ) + done() + }) + + }) + +}) |