Update - This is an automated commit

1 files changed, 95 insertions, 0 deletions

diff --git a/school/node_modules/cuint/test/UINT64_shiftRight-test.js b/school/node_modules/cuint/test/UINT64_shiftRight-test.js
new file mode 100644
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+++ b/school/node_modules/cuint/test/UINT64_shiftRight-test.js
@@ -0,0 +1,95 @@
+var assert = require('assert')
+var UINT64 = require('..').UINT64
+
+describe('shiftRight method', function () {
+
+  describe('0>>1', function () {
+
+    it('should return 0', function (done) {
+      var u = UINT64(0).shiftRight(1)
+
+      assert.equal( u.toNumber(), 0 )
+      done()
+    })
+
+  })
+
+  describe('4>>2', function () {
+
+    it('should return 1', function (done) {
+      var u = UINT64(4).shiftRight(2)
+
+      assert.equal( u.toNumber(), 1 )
+      done()
+    })
+
+  })
+
+  describe('2^16>>16', function () {
+
+    it('should return 1', function (done) {
+      var n = Math.pow(2, 16)
+      var u = UINT64(n).shiftRight(16)
+
+      assert.equal( u.toNumber(), 1 )
+      done()
+    })
+
+  })
+
+  describe('1>>32', function () {
+
+    it('should return 0', function (done) {
+      var u = UINT64(1).shiftRight(32)
+
+      assert.equal( u.toNumber(), 0 )
+      done()
+    })
+
+  })
+
+  describe('2^31>>31', function () {
+
+    it('should return 1', function (done) {
+      var u = UINT64('80000000', 16).shiftRight(31)
+
+      assert.equal( u.toNumber(), 1 )
+      done()
+    })
+
+  })
+
+  describe('2^28>>28', function () {
+
+    it('should return 1', function (done) {
+      var u = UINT64('10000000', 16).shiftRight(28)
+
+      assert.equal( u.toNumber(), 1 )
+      done()
+    })
+
+  })
+
+  describe('2^31+2^28>>31', function () {
+
+    it('should return 1', function (done) {
+      var u = UINT64('90000000', 16).shiftRight(31)
+
+      assert.equal( u.toNumber(), 1 )
+      done()
+    })
+
+  })
+
+  describe('2^31+2^28>>28', function () {
+
+    it('should return 9', function (done) {
+      var u = UINT64('90000000', 16).shiftRight(28)
+
+      assert.equal( u.toNumber(), 9 )
+      done()
+    })
+
+  })
+
+})