1 files changed, 13 insertions, 0 deletions
diff --git a/dom/tests/unit/test_xhr_init.js b/dom/tests/unit/test_xhr_init.js
new file mode 100644
index 0000000000..a2eaf2b4d7
--- /dev/null
+++ b/dom/tests/unit/test_xhr_init.js
@@ -0,0 +1,13 @@
+function run_test() {
+  var x = new XMLHttpRequest({ mozAnon: true, mozSystem: false });
+  Assert.ok(x.mozAnon);
+  Assert.ok(x.mozSystem); // Because we're system principal
+
+  x = new XMLHttpRequest({ mozAnon: true });
+  Assert.ok(x.mozAnon);
+  Assert.ok(x.mozSystem);
+
+  x = new XMLHttpRequest();
+  Assert.ok(!x.mozAnon);
+  Assert.ok(x.mozSystem);
+}