1 files changed, 54 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/cross-origin-embedder-policy/iframe-history-none-require-corp.https.html b/testing/web-platform/tests/html/cross-origin-embedder-policy/iframe-history-none-require-corp.https.html
new file mode 100644
index 0000000000..0e7ef8108b
--- /dev/null
+++ b/testing/web-platform/tests/html/cross-origin-embedder-policy/iframe-history-none-require-corp.https.html
@@ -0,0 +1,54 @@
+<meta name="timeout" content="long">
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/common/utils.js></script
+<script src="/common/get-host-info.sub.js"></script>
+<script>
+
+promise_test(async test => {
+  // TODO(arthursonzogni): Consider switching toward another message passing
+  // API like:
+  // /common/dispatcher/dispatcher.js
+  const bc = new BroadcastChannel(token());
+  const futureMessage = () => {
+    return new Promise(resolve => {
+      bc.onmessage = event => resolve(event.data);
+    });
+  };
+
+  const prefix = document.URL.substr(0, document.URL.lastIndexOf('/'))
+  const attribute = `?channelName=${bc.name}`;
+  const url_coep_none =
+    prefix + "/resources/navigate-none.sub.html" + attribute;
+  const url_coep_require_corp =
+    prefix + "/resources/navigate-require-corp.sub.html" + attribute;
+
+  const w = window.open();
+  test.add_cleanup(() => w.close());
+
+  // Navigate to COEP:unsafe-none.
+  w.location.href = url_coep_none;
+  assert_equals(await futureMessage(), "loaded");
+  assert_equals(w.location.href, url_coep_none);
+
+  // For unknown reasons so far. Waiting in between the different navigations
+  // avoids flakes.
+  await new Promise(resolve => test.step_timeout(resolve, 1000));
+
+  // Navigate to COEP:require-corp.
+  w.location.href = url_coep_require_corp;
+  assert_equals(await futureMessage(), "loaded");
+  assert_equals(w.location.href, url_coep_require_corp);
+
+  // For unknown reasons so far. Waiting in between the different navigations
+  // avoids flakes.
+  await new Promise(resolve => test.step_timeout(resolve, 1000));
+
+  // Navigate back to COEP:unsafe-none, using the history API.
+  // Note: `url_coep_none` already take the BFCache into account.
+  w.history.back();
+  assert_equals(await futureMessage(), "loaded");
+  assert_equals(w.location.href, url_coep_none);
+}, `"none" top-level: navigating a frame back from "require-corp" should succeed`);
+
+</script>