Update

1 files changed, 95 insertions, 0 deletions

diff --git a/alarm/node_modules/cuint/test/UINT32_shiftRight-test.js b/alarm/node_modules/cuint/test/UINT32_shiftRight-test.js
new file mode 100644
index 0000000..5b0b711
--- /dev/null
+++ b/alarm/node_modules/cuint/test/UINT32_shiftRight-test.js
@@ -0,0 +1,95 @@
+var assert = require('assert')
+var UINT32 = require('..').UINT32
+
+describe('shiftRight method', function () {
+
+  describe('0>>1', function () {
+
+    it('should return 0', function (done) {
+      var u = UINT32(0).shiftRight(1)
+
+      assert.equal( u.toNumber(), 0 )
+      done()
+    })
+
+  })
+
+  describe('4>>2', function () {
+
+    it('should return 1', function (done) {
+      var u = UINT32(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 = UINT32(n).shiftRight(16)
+
+      assert.equal( u.toNumber(), 1 )
+      done()
+    })
+
+  })
+
+  describe('1>>32', function () {
+
+    it('should return 0', function (done) {
+      var u = UINT32(1).shiftRight(32)
+
+      assert.equal( u.toNumber(), 0 )
+      done()
+    })
+
+  })
+
+  describe('2^31>>31', function () {
+
+    it('should return 1', function (done) {
+      var u = UINT32('80000000', 16).shiftRight(31)
+
+      assert.equal( u.toNumber(), 1 )
+      done()
+    })
+
+  })
+
+  describe('2^28>>28', function () {
+
+    it('should return 1', function (done) {
+      var u = UINT32('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 = UINT32('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 = UINT32('90000000', 16).shiftRight(28)
+
+      assert.equal( u.toNumber(), 9 )
+      done()
+    })
+
+  })
+
+})