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Diffstat (limited to 'school/node_modules/cuint/test/UINT32_subtract-test.js')
-rw-r--r-- | school/node_modules/cuint/test/UINT32_subtract-test.js | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/school/node_modules/cuint/test/UINT32_subtract-test.js b/school/node_modules/cuint/test/UINT32_subtract-test.js deleted file mode 100644 index 9fa5488..0000000 --- a/school/node_modules/cuint/test/UINT32_subtract-test.js +++ /dev/null @@ -1,75 +0,0 @@ -var assert = require('assert') -var UINT32 = require('..').UINT32 - -describe('subtract method', function () { - - describe('0-0', function () { - - it('should return 0', function (done) { - var u = UINT32(0).subtract( UINT32(0) ) - - assert.equal( u.toNumber(), 0 ) - done() - }) - - }) - - describe('1-0', function () { - - it('should return 1', function (done) { - var u = UINT32(1).subtract( UINT32(0) ) - - assert.equal( u.toNumber(), 1 ) - done() - }) - - }) - - describe('0-1', function () { - - it('should return -1', function (done) { - var u = UINT32(0).subtract( UINT32(1) ) - - assert.equal( u.toNumber(), -1 ) - done() - }) - - }) - - describe('low bit-high bit', function () { - - it('should return 0', function (done) { - var n = Math.pow(2, 17) - var u = UINT32(1).subtract( UINT32(n) ) - - assert.equal( u.toNumber(), 1-n ) - done() - }) - - }) - - describe('high bit-low bit', function () { - - it('should return n', function (done) { - var n = Math.pow(2, 17) - var u = UINT32(n).subtract( UINT32(123) ) - - assert.equal( u.toNumber(), n - 123 ) - done() - }) - - }) - - describe('high bit-high bit', function () { - - it('should return n', function (done) { - var n = Math.pow(2, 17) - var u = UINT32(n+1).subtract( UINT32(n) ) - - assert.equal( u.toNumber(), 1 ) - done() - }) - - }) - -}) |