1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webstorage/storage_indexing.window.js b/testing/web-platform/tests/webstorage/storage_indexing.window.js
new file mode 100644
index 0000000000..685b6b67fb
--- /dev/null
+++ b/testing/web-platform/tests/webstorage/storage_indexing.window.js
@@ -0,0 +1,28 @@
+["localStorage", "sessionStorage"].forEach(function(name) {
+    test(function() {
+        var storage = window[name];
+        storage.clear();
+        storage["name"] = "user1";
+        storage["age"] = "42";
+
+        test(function() {
+            assert_equals(storage[-1], undefined);
+            assert_equals(storage[0], undefined);
+            assert_equals(storage[1], undefined);
+            assert_equals(storage[2], undefined);
+        }, "Getting number properties on " + name);
+
+        test(function() {
+            assert_equals(storage["-1"], undefined);
+            assert_equals(storage["0"], undefined);
+            assert_equals(storage["1"], undefined);
+            assert_equals(storage["2"], undefined);
+        }, "Getting number-valued string properties on " + name);
+
+        test(function() {
+            storage.setItem(1, "number");
+            assert_equals(storage[1], "number");
+            assert_equals(storage["1"], "number");
+        }, "Getting existing number-valued properties on " + name);
+    }, "Indexed getter on " + name);
+});