bufferutils: add Buffer reverse

test/bufferutils.js

@@ -75,6 +75,19 @@ describe('bufferutils', function() {
     })
   })
 
+  describe('reverse', function() {
+    fixtures.valid.forEach(function(f) {
+      it('reverses ' + f.hex64 + ' correctly', function() {
+        var buffer = new Buffer(f.hex64, 'hex')
+        var buffer2 = bufferutils.reverse(buffer)
+
+        Array.prototype.reverse.call(buffer)
+
+        assert.deepEqual(buffer, buffer2)
+      })
+    })
+  })
+
   describe('varIntSize', function() {
     fixtures.valid.forEach(function(f) {
       it('determines the varIntSize of ' + f.dec + ' correctly', function() {