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test = async_test("A 'frame-ancestors' CSP directive with a URL value should block or allow rendering in nested frames as appropriate.");
// Note that we can't distinguish blocked URLs from allowed cross-origin URLs due to the same-origin policy. This test passes if no console message declares that the frame was blocked.
testNestedIFrame(SAMEORIGIN_ORIGIN + " " + CROSSORIGIN_ORIGIN, SAME_ORIGIN, CROSS_ORIGIN, EXPECT_BLOCK);