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-rw-r--r--testing/web-platform/tests/portals/no-portal-in-sandboxed-popup.html17
1 files changed, 17 insertions, 0 deletions
diff --git a/testing/web-platform/tests/portals/no-portal-in-sandboxed-popup.html b/testing/web-platform/tests/portals/no-portal-in-sandboxed-popup.html
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index 0000000000..b26b836467
--- /dev/null
+++ b/testing/web-platform/tests/portals/no-portal-in-sandboxed-popup.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+
+promise_test(async t => {
+ let sandboxFlags = 'allow-scripts allow-same-origin';
+ let w = window.open(`resources/attempt-portal-load.html?pipe=header(Content-Security-Policy,sandbox ${sandboxFlags})`);
+ await new Promise((resolve, reject) => w.addEventListener('load', resolve));
+ let result = await Promise.race([
+ w.portalLoaded.then(() => 'loaded'),
+ new Promise(resolve => t.step_timeout(() => resolve('timed out'), 5000))]);
+ assert_equals(result, 'timed out', 'expected portal not to load due to sandbox flags');
+});
+</script>
+</body>