diff --git a/services/sync/tests/unit/test_utils_catch.js b/services/sync/tests/unit/test_utils_catch.js
new file mode 100644
index 000000000000..deff0bb24777
--- /dev/null
+++ b/services/sync/tests/unit/test_utils_catch.js
@@ -0,0 +1,42 @@
+_("Make sure catch when copied to an object will correctly catch stuff");
+Cu.import("resource://weave/util.js");
+
+function run_test() {
+  let ret, rightThis, didCall, didThrow;
+  let obj = {
+    catch: Utils.catch,
+    _log: {
+      debug: function(str) {
+        didThrow = str.search(/^Exception: /) == 0;
+      }
+    },
+
+    func: function() this.catch(function() {
+      rightThis = this == obj;
+      didCall = true;
+      return 5;
+    })(),
+
+    throwy: function() this.catch(function() {
+      rightThis = this == obj;
+      didCall = true;
+      throw 10;
+    })()
+  };
+
+  _("Make sure a normal call will call and return");
+  rightThis = didCall = didThrow = false;
+  ret = obj.func();
+  do_check_eq(ret, 5);
+  do_check_true(rightThis);
+  do_check_true(didCall);
+  do_check_false(didThrow);
+
+  _("Make sure catch/throw results in debug call and caller doesn't need to handle exception");
+  rightThis = didCall = didThrow = false;
+  ret = obj.throwy();
+  do_check_eq(ret, undefined);
+  do_check_true(rightThis);
+  do_check_true(didCall);
+  do_check_true(didThrow);
+}