1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/content-security-policy/navigate-to/parent-navigates-child-blocked.html b/testing/web-platform/tests/content-security-policy/navigate-to/parent-navigates-child-blocked.html
new file mode 100644
index 0000000000..c662da95fa
--- /dev/null
+++ b/testing/web-platform/tests/content-security-policy/navigate-to/parent-navigates-child-blocked.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+</head>
+
+<body>
+<script>
+  var t = async_test("Test that the parent can't navigate the child because the relevant policy belongs to the navigation initiator (in this case the parent, which has the policy `navigate-to support/wait_for_navigation.html;`)");
+  window.onmessage = t.unreached_func("Should not have received a message as the navigation should not have been successful");
+  window.addEventListener('securitypolicyviolation', t.step_func_done(function(e) {
+    assert_equals(e.violatedDirective, 'navigate-to');
+  }));
+
+  var i = document.createElement('iframe');
+  var src_changed = false;
+  i.onload = function() {
+    if (src_changed) return;
+    src_changed = true;
+    i.src = "support/post_message_to_frame_owner.html";
+  }
+  i.src = "support/wait_for_navigation.html?csp=navigate-to%20%27self%27";
+  document.body.appendChild(i);
+</script>
+
+<script async defer src='../support/checkReport.sub.js?reportField=violated-directive&reportValue=navigate-to%20support%2Fwait_for_navigation.html'></script>
+</body>