1 files changed, 64 insertions, 0 deletions
diff --git a/xpcom/tests/TestWinReg.js b/xpcom/tests/TestWinReg.js
new file mode 100644
index 0000000000..8462f3ff04
--- /dev/null
+++ b/xpcom/tests/TestWinReg.js
@@ -0,0 +1,64 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * This script is intended to be run using xpcshell
+ */
+
+const nsIWindowsRegKey = Ci.nsIWindowsRegKey;
+const BASE_PATH = "SOFTWARE\\Mozilla\\Firefox";
+
+function idump(indent, str) {
+  for (var j = 0; j < indent; ++j) {
+    dump(" ");
+  }
+  dump(str);
+}
+
+function list_values(indent, key) {
+  idump(indent, "{\n");
+  var count = key.valueCount;
+  for (var i = 0; i < count; ++i) {
+    var vn = key.getValueName(i);
+    var val = "";
+    if (key.getValueType(vn) == nsIWindowsRegKey.TYPE_STRING) {
+      val = key.readStringValue(vn);
+    }
+    if (vn == "") {
+      idump(indent + 1, '(Default): "' + val + '"\n');
+    } else {
+      idump(indent + 1, vn + ': "' + val + '"\n');
+    }
+  }
+  idump(indent, "}\n");
+}
+
+function list_children(indent, key) {
+  list_values(indent, key);
+
+  var count = key.childCount;
+  for (var i = 0; i < count; ++i) {
+    var cn = key.getChildName(i);
+    idump(indent, "[" + cn + "]\n");
+    list_children(indent + 1, key.openChild(cn, nsIWindowsRegKey.ACCESS_READ));
+  }
+}
+
+// enumerate everything under BASE_PATH
+var key =
+  Cc["@mozilla.org/windows-registry-key;1"].createInstance(nsIWindowsRegKey);
+key.open(
+  nsIWindowsRegKey.ROOT_KEY_LOCAL_MACHINE,
+  BASE_PATH,
+  nsIWindowsRegKey.ACCESS_READ
+);
+list_children(1, key);
+
+key.close();
+key.open(
+  nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
+  BASE_PATH,
+  nsIWindowsRegKey.ACCESS_READ
+);
+list_children(1, key);