1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/battery-status/battery-promise-window.html b/testing/web-platform/tests/battery-status/battery-promise-window.html
new file mode 100644
index 000000000..a7d708c05
--- /dev/null
+++ b/testing/web-platform/tests/battery-status/battery-promise-window.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Battery Test: window.open() makes a different Navigator object</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+  #note {
+    background-color: #fef1b5;
+    border: solid 1px #cdab2d;
+    padding: 5px;
+    margin: 15px;
+    display: block;
+  }
+</style>
+<div id="note">
+  Allow pop-up windows before running the tests.
+</div>
+<div id="log"></div>
+<script>
+async_test(function (t) {
+  var win = window.open('support-window-open.html');
+  window.onmessage = t.step_func(function(e) {
+    assert_array_equals(e.data, [false, false, true]);
+    win.close();
+    t.done();
+  });
+}, 'window.open() makes a different Navigator object thus getting another battery promise');
+</script>