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 0000000000..44ef0096fc
--- /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() {
+  Assert.deepEqual({ x: 1 }, { x: 1 });
+
+  // Property order is irrelevant.
+  Assert.deepEqual({ x: "foo", y: "bar" }, { y: "bar", x: "foo" }); // pass
+
+  // Patterns nest.
+  Assert.deepEqual({ a: 1, b: { c: 2, d: 3 } }, { a: 1, b: { c: 2, d: 3 } });
+
+  Assert.deepEqual([3, 4, 5], [3, 4, 5]);
+}