adding nodeunit test for issue #7

tests/mkdirSyncRecursive.js

@@ -0,0 +1,26 @@
+var testCase = require('nodeunit').testCase;
+var fs = require('fs');
+var wrench = require('wrench');
+var path = require('path');
+
+module.exports = testCase({
+    testMkdirSyncRecursive: function(test) {
+        var dir = __dirname + '/_tmp/foo/bar';
+
+        test.equals(path.existsSync(dir), false, 'Dir shouldn\'t exist - clean it up manually?');
+
+        wrench.mkdirSyncRecursive(dir, 0777);
+
+        test.equals(path.existsSync(dir), true, 'Dir should exist now');
+
+        // clean up
+        while (dir != __dirname) {
+            fs.rmdirSync(dir);
+            dir = path.dirname(dir);
+        }
+
+        test.done();
+    },
+});
+
+// vim: et ts=4 sw=4