correct machineHash

.travis.yml

@@ -1,4 +1,6 @@
 language: node_js
 node_js:
+  - 0.10
+  - 0.8
+  - 0.6
   - 0.4
-  - 0.6

lib/objectid.js

@@ -11,7 +11,7 @@ module.exports = ObjectId
 //  from docs: This is the first three bytes of the (md5) hash of the machine host name, or of the mac/network address,
 //     or the virtual machine id.
 
-var machineHash = crypto.createHash('md5').update(os.hostname()).digest('binary')
+var machineHash = crypto.createHash('md5').update(os.hostname()).digest()
 
 // Pre-cache the machine hash / pid
 var machineAndPid = [
@@ -92,4 +92,4 @@ try {
         }
         return buffer
     }
-}
+}

package.json

@@ -14,9 +14,9 @@
     "nodeunit": "0.6.4"
   },
   "scripts": {
-    "test": "node_modules/.bin/nodeunit test/bson-test.js test/mongo-test.js"
+    "test": "node_modules/.bin/nodeunit test/bson-test.js test/mongo-test.js test/objectid.js"
   },
   "engines": {
     "node": ">=0.4.0"
   }
-}
+}

test/objectid.js

@@ -0,0 +1,11 @@
+var BSON = require('../buffalo')
+
+module.exports = {
+    "machine id part of ObjectID is not zero": function(test) {
+        var objid = new BSON.ObjectId();
+        test.ok(!(objid.bytes[4] == 0x00 &&
+                  objid.bytes[5] == 0x00 &&
+                  objid.bytes[6] == 0x00))
+        test.done()
+    },
+}