1 files changed, 12 insertions, 0 deletions
diff --git a/modules/libpref/test/unit_ipc/test_observed_prefs.js b/modules/libpref/test/unit_ipc/test_observed_prefs.js
new file mode 100644
index 0000000000..9f6984d555
--- /dev/null
+++ b/modules/libpref/test/unit_ipc/test_observed_prefs.js
@@ -0,0 +1,12 @@
+function isParentProcess() {
+  return Services.appinfo.processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
+}
+
+function run_test() {
+  if (!isParentProcess()) {
+    const pb = Services.prefs;
+    Assert.equal(pb.getBoolPref("Test.IPC.bool.new"), true);
+    Assert.equal(pb.getIntPref("Test.IPC.int.new"), 23);
+    Assert.equal(pb.getCharPref("Test.IPC.char.new"), "hey");
+  }
+}