1 files changed, 32 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_aboutblank.js b/netwerk/test/unit/test_aboutblank.js
new file mode 100644
index 000000000..2abe3c576
--- /dev/null
+++ b/netwerk/test/unit/test_aboutblank.js
@@ -0,0 +1,32 @@
+Cu.import("resource://gre/modules/NetUtil.jsm");
+
+function run_test() {
+  var base = NetUtil.newURI("http://www.example.com", null, null);
+  var about1 = NetUtil.newURI("about:blank", null, null);
+  var about2 = NetUtil.newURI("about:blank", null, base);
+
+  var chan1 = NetUtil.newChannel({
+    uri: about1,
+    loadUsingSystemPrincipal: true 
+  }).QueryInterface(Components.interfaces.nsIPropertyBag2);
+
+  var chan2 = NetUtil.newChannel({
+    uri: about2,
+    loadUsingSystemPrincipal: true
+  }).QueryInterface(Components.interfaces.nsIPropertyBag2);
+
+  var haveProp = false;
+  var propVal = null;
+  try {
+    propVal = chan1.getPropertyAsInterface("baseURI",
+                                           Components.interfaces.nsIURI);
+    haveProp = true;
+  } catch (e if e.result == Components.results.NS_ERROR_NOT_AVAILABLE) {
+    // Property shouldn't be there.
+  }
+  do_check_eq(propVal, null);
+  do_check_eq(haveProp, false);
+  do_check_eq(chan2.getPropertyAsInterface("baseURI",
+                                           Components.interfaces.nsIURI),
+              base);
+}