Update tests to test with Unicode

Author: lsegal

test/node.js

@@ -22,20 +22,20 @@ var encodings = ['binary', 'hex', 'base64'];
 algorithms.forEach(function (algorithm) {
     encodings.forEach(function (encoding) {
         assertSame(algorithm + ' hash using ' + encoding, function (crypto, cb) {
-            cb(null, crypto.createHash(algorithm).update('hello', 'utf-8').digest(encoding));
+            cb(null, crypto.createHash(algorithm).update('hellø', 'utf-8').digest(encoding));
         })
 
         assertSame(algorithm + ' hmac using ' + encoding, function (crypto, cb) {
-            cb(null, crypto.createHmac(algorithm, 'secret').update('hello', 'utf-8').digest(encoding))
+            cb(null, crypto.createHmac(algorithm, 'secret').update('hellø', 'utf-8').digest(encoding))
         })
     });
 
     assertSame(algorithm + ' with raw binary', function (crypto, cb) {
-        var seed = 'hello';
+        var seed = 'hellø';
         for (var i = 0; i < 1000; i++) {
-            seed = crypto.createHash(algorithm).update(seed).digest('binary');
+            seed = crypto.createHash(algorithm).update(new Buffer(seed)).digest('binary');
         }
-        cb(null, crypto.createHash(algorithm).update(seed).digest('hex'));
+        cb(null, crypto.createHash(algorithm).update(new Buffer(seed)).digest('hex'));
     });
 
     assertSame(algorithm + ' empty string', function (crypto, cb) {