diff --git a/test/test-parse-namespaces.js b/test/test-parse-namespaces.js
new file mode 100644
index 0000000..2840577
--- /dev/null
+++ b/test/test-parse-namespaces.js
@@ -0,0 +1,54 @@
+var assert = require('assert');
+
+var parseNamespaces = require('../lib/imap.parsers').parseNamespaces;
+
+var tests = {
+  simple: [
+    ['', {}],
+
+    ['(("" "/")) NIL NIL',
+     { personal: [ { prefix: '', delim: '/' } ] }],
+
+    ['(("INBOX." ".")) NIL  NIL',
+     { personal: [ { prefix: 'INBOX.', delim: '.' } ] }],
+
+    ['NIL NIL (("" "."))',
+     { shared: [ { prefix: '', delim: '.' } ] }],
+
+    ['(("" "/")) NIL (("Public Folders/" "/"))',
+     { personal: [ { prefix: '', delim: '/' } ],
+       shared: [ { prefix: 'Public Folders/', delim: '/' } ] }
+    ],
+
+    ['(("" "/")) (("~" "/")) (("#shared/" "/")("#public/" "/")("#ftp/" "/")("#news." "."))',
+     { personal: [ { prefix: '', delim: '/' } ],
+       other: [ { prefix: '~', delim: '/' } ],
+       shared:
+        [ { prefix: '#shared/', delim: '/' },
+          { prefix: '#public/', delim: '/' },
+          { prefix: '#ftp/', delim: '/' },
+          { prefix: '#news.', delim: '.' }
+        ]
+     }
+    ],
+
+    ['(("" "/")("#mh/" "/" "X-PARAM" ("FLAG1" "FLAG2"))) NIL NIL',
+     { personal:
+        [ { prefix: '', delim: '/' },
+          { prefix: '#mh/',
+            delim: '/',
+            extensions: [ { name: 'X-PARAM', flags: [ 'FLAG1', 'FLAG2' ] } ]
+          }
+        ]
+     }
+    ]
+  ]
+};
+
+var result;
+
+for (var i=0,len=tests.simple.length; i<len; ++i) {
+  result = {};
+  parseNamespaces(tests.simple[i][0], result);
+  assert.deepEqual(tests.simple[i][1], result);
+}