add tests to EncodedData and fix hex conversion bug

...making sure the new changes to __proto__ are working correctly.

test/test.EncodedData.js

@@ -5,21 +5,56 @@ var bitcore = bitcore || require('../bitcore');
 
 var should = chai.should();
 
-var EncodedDataModule = bitcore.EncodedData;
-var EncodedData;
+var EncodedData = bitcore.EncodedData;
 
 describe('EncodedData', function() {
-  it('should initialze the main object', function() {
-    should.exist(EncodedDataModule);
-  });
-  it('should be able to create class', function() {
-    EncodedData = EncodedDataModule;
+
+  it('should initialize the main object', function() {
     should.exist(EncodedData);
   });
+
   it('should be able to create an instance', function() {
     var ed = new EncodedData('1GMx4HdDmN78xzGvdQYkwrVqkmLDG1aMNT');
     should.exist(ed);
   });
+
+  describe('#as', function() {
+    var buf = bitcore.util.sha256('test');
+    var hex = buf.toString('hex');
+    var b58 = '2DFtpKRbW2nfrzgAgE25onW3vwCQwM7S1iHk34LW9cwH1kzmHp';
+    
+    it('should convert from binary -> base58', function() {
+      var ed = new EncodedData(buf);
+      ed.as('base58').should.equal(bitcore.Base58.base58Check.encode(buf));
+    });
+
+    it('should convert from binary -> hex', function() {
+      var ed = new EncodedData(buf);
+      ed.as('hex').should.equal(hex);
+    });
+
+    it('should convert from base58 -> binary', function() {
+      var ed = new EncodedData(b58);
+      ed.as('binary').toString('hex').should.equal(hex);
+    });
+
+    it('should convert from base58 -> hex', function() {
+      var ed = new EncodedData(b58);
+      ed.as('hex').should.equal(hex);
+    });
+
+    it('should convert from hex -> binary', function() {
+      var ed = new EncodedData(hex, 'hex');
+      ed.as('binary').toString('hex').should.equal(hex);
+    });
+
+    it('should convert from hex -> base58', function() {
+      var ed = new EncodedData(hex, 'hex');
+      ed.as('base58').should.equal(b58);
+    });
+
+  });
+
 });
 
 

util/EncodedData.js

@@ -14,8 +14,8 @@ function EncodedData(data, encoding) {
   } else {
     if (typeof this.encodings[encoding] === 'undefined')
       encoding = 'binary';
-    this.converters = this.encodings['binary'].converters;
-    this._encoding = this.encodings['binary']._encoding;
+    this.converters = this.encodings[encoding].converters;
+    this._encoding = this.encodings[encoding]._encoding;
   }
 };