testing/web-platform/tests/content-security-policy/frame-ancestors/frame-ancestors-nested-same-in-same-none-block.html


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<!DOCTYPE html>
<html>
<head>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <script src="support/frame-ancestors-test.sub.js"></script>
</head>
<body>
    <script>
        test = async_test("A 'frame-ancestors' CSP directive with a value 'none' should block rendering in nested frames.");

        testNestedIFrame("'none'", SAME_ORIGIN, SAME_ORIGIN, EXPECT_BLOCK);
    </script>
</body>
</html>