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app/node_modules/cuint/test/UINT64_toNumber-test.js

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+var assert = require('assert')
+var UINT64 = require('..').UINT64
+
+describe('toNumber method', function () {
+
+  describe('from 0', function () {
+
+    it('should return 0', function (done) {
+      var u = UINT64(0).toNumber()
+
+      assert.equal( u, 0 )
+      done()
+    })
+
+  })
+
+  describe('from low bit number', function () {
+
+    it('should return the number', function (done) {
+      var u = UINT64(123).toNumber()
+
+      assert.equal( u, 123 )
+      done()
+    })
+
+  })
+
+  describe('from high bit number', function () {
+
+    it('should return the number', function (done) {
+      var n = Math.pow(2,17)
+      var u = UINT64(n).toNumber()
+
+      assert.equal( u, n )
+      done()
+    })
+
+  })
+
+  describe('from high and low bit number', function () {
+
+    it('should return the number', function (done) {
+      var n = Math.pow(2,17) + 123
+      var u = UINT64(n).toNumber()
+
+      assert.equal( u, n )
+      done()
+    })
+
+  })
+
+  describe('toNumber and toString', function () {
+
+    it('should return the same result for 100 random numbers', function () {
+      for (var i=0; i<100; i++) {
+        var u = UINT64(Math.floor(Math.random() * 0xffffffff), 0);
+        assert.equal(u.toNumber(), parseInt(u.toString()));
+      }
+    })
+
+  })
+
+})