1 files changed, 74 insertions, 0 deletions
diff --git a/testing/web-platform/tests/permissions-policy/permissions-policy-header-policy-declined.https.sub.html b/testing/web-platform/tests/permissions-policy/permissions-policy-header-policy-declined.https.sub.html
new file mode 100644
index 0000000000..f02cdce7d1
--- /dev/null
+++ b/testing/web-platform/tests/permissions-policy/permissions-policy-header-policy-declined.https.sub.html
@@ -0,0 +1,74 @@
+<!DOCTYPE html>
+<body>
+  <script src=/resources/testharness.js></script>
+  <script src=/resources/testharnessreport.js></script>
+  <script src=/permissions-policy/resources/permissions-policy.js></script>
+  <!-- Permissions-Policy: fullscreen=cross_origin https://www.example.com; -->
+  <script>
+  'use strict';
+  var same_origin = 'https://{{domains[]}}:{{ports[https][0]}}';
+  var cross_origin = 'https://{{domains[www]}}:{{ports[https][0]}}';
+  var cross_origin1 = 'https://{{domains[www1]}}:{{ports[https][0]}}';
+  var same_origin_src = '/permissions-policy/resources/permissions-policy-allowedfeatures.html';
+  var cross_origin_src = cross_origin + same_origin_src;
+  var cross_origin_src1 = cross_origin1 + same_origin_src;
+  var header_policy = `Permissions-Policy: fullscreen=(self "${cross_origin}" "https://www.example.com"`;
+
+  // Test that fullscreen's allowlist is [same_origin, cross_origin, 'https://www.example.com']
+  test(function() {
+    assert_array_equals(
+      document.featurePolicy.getAllowlistForFeature('fullscreen'),
+      [cross_origin, 'https://www.example.com'].sort());
+  }, header_policy + ' -- test allowlist is [cross_origin, https://www.example.com]');
+
+  // Test that fullscreen is everywhere.
+  test_disallowed_feature_for_subframe(
+    header_policy + ' -- test fullscreen is disallowed on same-origin subframe',
+    'fullscreen',
+    same_origin_src);
+  test_disallowed_feature_for_subframe(
+    header_policy + ' -- test fullscreen is disallowed on cross-origin ' + cross_origin_src + ' subframe',
+    'fullscreen',
+    cross_origin_src);
+  test_disallowed_feature_for_subframe(
+    header_policy + ' -- test fullscreen is disallowed on cross-origin ' + cross_origin_src1 + ' subframe',
+    'fullscreen',
+    cross_origin_src1);
+
+  // dynamically update sub frame's container policy to none
+  var disallow = "fullscreen 'none';"
+  test_disallowed_feature_for_subframe(
+    header_policy + ', iframe.allow = ' + disallow + ' -- test fullscreen is disallowed on same-origin subframe',
+    'fullscreen',
+    same_origin_src,
+    disallow);
+  test_disallowed_feature_for_subframe(
+    header_policy + 'iframe.allow = ' + disallow + ' -- test fullscreen is disallowed on specific cross-origin subframe',
+    'fullscreen',
+    cross_origin_src,
+    disallow);
+  test_disallowed_feature_for_subframe(
+    header_policy + 'iframe.allow = ' + disallow + ' -- test fullscreen is disallowed on another cross-origin subframe',
+    'fullscreen',
+    cross_origin_src1,
+    disallow);
+
+  // dynamically update sub frame's container policy to cross_origin
+  var allow = "fullscreen " + cross_origin;
+  test_disallowed_feature_for_subframe(
+    header_policy + ', iframe.allow = ' + allow + ' -- test fullscreen is disallowed on same-origin subframe',
+    'fullscreen',
+    same_origin_src,
+    allow);
+  test_disallowed_feature_for_subframe(
+    header_policy + 'iframe.allow = ' + allow + ' -- test fullscreen is disallowed on specific cross-origin subframe',
+    'fullscreen',
+    cross_origin_src,
+    allow);
+  test_disallowed_feature_for_subframe(
+    header_policy + 'iframe.allow = ' + allow + ' -- test fullscreen is disallowed on another cross-origin subframe',
+    'fullscreen',
+    cross_origin_src1,
+    allow);
+  </script>
+</body>