1 files changed, 14 insertions, 0 deletions
diff --git a/testing/xpcshell/example/unit/test_do_check_matches.js b/testing/xpcshell/example/unit/test_do_check_matches.js
new file mode 100644
index 000000000..51d720b0c
--- /dev/null
+++ b/testing/xpcshell/example/unit/test_do_check_matches.js
@@ -0,0 +1,14 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function run_test() {
+  do_check_matches({x:1}, {x:1});
+
+  // Property order is irrelevant.
+  do_check_matches({x:"foo", y:"bar"}, {y:"bar", x:"foo"});// pass
+
+  // Patterns nest.
+  do_check_matches({a:1, b:{c:2,d:3}}, {a:1, b:{c:2,d:3}});
+
+  do_check_matches([3,4,5], [3,4,5]);
+}