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-rw-r--r--alarm/node_modules/cuint/test/UINT32_multiply-test.js75
1 files changed, 75 insertions, 0 deletions
diff --git a/alarm/node_modules/cuint/test/UINT32_multiply-test.js b/alarm/node_modules/cuint/test/UINT32_multiply-test.js
new file mode 100644
index 0000000..353fc79
--- /dev/null
+++ b/alarm/node_modules/cuint/test/UINT32_multiply-test.js
@@ -0,0 +1,75 @@
+var assert = require('assert')
+var UINT32 = require('..').UINT32
+
+describe('multiply method', function () {
+
+ describe('0*0', function () {
+
+ it('should return 0', function (done) {
+ var u = UINT32(0).multiply( UINT32(0) )
+
+ assert.equal( u.toNumber(), 0 )
+ done()
+ })
+
+ })
+
+ describe('1*0', function () {
+
+ it('should return 0', function (done) {
+ var u = UINT32(1).multiply( UINT32(0) )
+
+ assert.equal( u.toNumber(), 0 )
+ done()
+ })
+
+ })
+
+ describe('0*1', function () {
+
+ it('should return 0', function (done) {
+ var u = UINT32(0).multiply( UINT32(1) )
+
+ assert.equal( u.toNumber(), 0 )
+ done()
+ })
+
+ })
+
+ describe('low bit*high bit', function () {
+
+ it('should return n', function (done) {
+ var n = Math.pow(2, 17)
+ var u = UINT32(3).multiply( UINT32(n) )
+
+ assert.equal( u.toNumber(), 3*n )
+ done()
+ })
+
+ })
+
+ describe('high bit*low bit', function () {
+
+ it('should return n', function (done) {
+ var n = Math.pow(2, 17)
+ var u = UINT32(n).multiply( UINT32(3) )
+
+ assert.equal( u.toNumber(), 3*n )
+ done()
+ })
+
+ })
+
+ describe('high bit*high bit', function () {
+
+ it('should return n', function (done) {
+ var n = 'FFFFFFFF'
+ var u = UINT32(n, 16).multiply( UINT32(n, 16) )
+
+ assert.equal( u.toNumber(), 1 )
+ done()
+ })
+
+ })
+
+})