diff --git a/test/wallet.js b/test/wallet.js
index 0f39d02..44f6164 100644
--- a/test/wallet.js
+++ b/test/wallet.js
@@ -1,4 +1,5 @@
 var Wallet = require('../src/wallet.js')
+var Address = require('../src/address.js')
 var assert = require('assert')
 
 describe('Wallet', function() {
@@ -33,4 +34,20 @@ describe('Wallet', function() {
       assert.equal(wallet.derivationMethod, 'public')
     })
   })
+
+  describe('networkType', function() {
+    it('ensures that a mainnet Wallet has mainnet child keys (pub and priv)', function() {
+        var w = Wallet("foobar", {network: "Bitcoin"})
+        assert(w.getMasterKey().priv.version == Address.address_types['prod'])
+        w.generateAddress()
+        assert(w.getPrivateKey(0).priv.version == Address.address_types['prod'])
+    })
+
+    it('ensures that a testnet Wallet has testnet child keys (pub and priv)', function() {
+        var w = Wallet("foobar", {network: "BitcoinTest"})
+        assert(w.getMasterKey().priv.version == Address.address_types['testnet'])
+        w.generateAddress()
+        assert(w.getPrivateKey(0).priv.version == Address.address_types['testnet'])
+    })
+  })
 })