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author | Minteck <contact@minteck.org> | 2023-02-23 19:34:56 +0100 |
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committer | Minteck <contact@minteck.org> | 2023-02-23 19:34:56 +0100 |
commit | 3d1cd02f27518f1a04374c7c8320cd5d82ede6e9 (patch) | |
tree | 75be5fba4368472fb11c8015aee026b2b9a71888 /includes/external/school/node_modules/cuint/test/UINT32_subtract-test.js | |
parent | 8cc1f13c17fa2fb5a4410542d39e650e02945634 (diff) | |
download | pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.tar.gz pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.tar.bz2 pluralconnect-3d1cd02f27518f1a04374c7c8320cd5d82ede6e9.zip |
Updated 40 files, added 37 files, deleted 1103 files and renamed 3905 files (automated)
Diffstat (limited to 'includes/external/school/node_modules/cuint/test/UINT32_subtract-test.js')
-rw-r--r-- | includes/external/school/node_modules/cuint/test/UINT32_subtract-test.js | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/includes/external/school/node_modules/cuint/test/UINT32_subtract-test.js b/includes/external/school/node_modules/cuint/test/UINT32_subtract-test.js new file mode 100644 index 0000000..9fa5488 --- /dev/null +++ b/includes/external/school/node_modules/cuint/test/UINT32_subtract-test.js @@ -0,0 +1,75 @@ +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() + }) + + }) + +}) |