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<!DOCTYPE html>
<html>
<head>
<title>Embedded Enforcement: Subsumption Algorithm - 'none' keyword.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/testharness-helper.sub.js"></script>
</head>
<body>
<script>
var tests = [
{ "name": "Empty required csp subsumes empty list of returned policies.",
"required_csp": "",
"returned_csp_1": "",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Empty required csp subsumes any list of policies.",
"required_csp": "",
"returned_csp_1": "img-src http://example.com",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Empty required csp subsumes a policy with `none`.",
"required_csp": "",
"returned_csp_1": "img-src 'none'",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Required policy that allows `none` does not subsume empty list of policies.",
"required_csp": "img-src ",
"returned_csp_1": "",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Required csp with effective `none` does not subsume a host source expression.",
"required_csp": "img-src ",
"returned_csp_1": "img-src http://example.com",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Required csp with `none` does not subsume a host source expression.",
"required_csp": "img-src 'none'",
"returned_csp_1": "img-src http://example.com",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Required csp with effective `none` does not subsume `none` of another directive.",
"required_csp": "img-src ",
"returned_csp_1": "frame-src 'none'",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Required csp with `none` does not subsume `none` of another directive.",
"required_csp": "img-src 'none'",
"returned_csp_1": "frame-src 'none'",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Required csp with `none` does not subsume `none` of different directives.",
"required_csp": "img-src ",
"returned_csp_1": "img-src http://*.one.com",
"returned_csp_2": "frame-src https://two.com",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Required csp with `none` subsumes effective list of `none`.",
"required_csp": "img-src ",
"returned_csp_1": "img-src http://*.one.com",
"returned_csp_2": "img-src https://two.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Required csp with `none` subsumes effective list of `none` despite other keywords.",
"required_csp": "img-src 'none'",
"returned_csp_1": "img-src http://*.one.com",
"returned_csp_2": "img-src 'self'",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Source list with exprssions other than `none` make `none` ineffective.",
"required_csp": "img-src http://example.com 'none'",
"returned_csp_1": "img-src http://example.com",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Returned csp with `none` is subsumed by any required csp.",
"required_csp": "img-src http://example.com",
"returned_csp_1": "img-src 'none'",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Returned csp with effective `none` is subsumed by any required csp.",
"required_csp": "img-src http://example.com",
"returned_csp_1": "img-src http://example.com",
"returned_csp_2": "img-src http://non-example.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Both required and returned csp are `none`.",
"required_csp": "img-src 'none'",
"returned_csp_1": "img-src 'none'",
"returned_csp_2": "img-src http://non-example.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Both required and returned csp are `none` for only one directive.",
"required_csp": "default-src 'none'",
"returned_csp_1": "img-src 'none'",
"returned_csp_2": "script-src 'unsafe-inline'",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "Both required and returned csp are empty.",
"required_csp": "img-src ",
"returned_csp_1": "img-src ",
"returned_csp_2": null,
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Both required and returned csp are effectively 'none'.",
"required_csp": "img-src ",
"returned_csp_1": "img-src http://a.com",
"returned_csp_2": "img-src http://b.com",
"expected": IframeLoad.EXPECT_LOAD },
];
tests.forEach(test => {
async_test(t => {
var url = generateUrlWithPolicies(Host.CROSS_ORIGIN, test.returned_csp_1);
if (test.returned_csp_2)
url.searchParams.append("policy2", test.returned_csp_2);
assert_iframe_with_csp(t, url, test.required_csp, test.expected, test.name, null);
}, test.name);
});
</script>
</body>
</html>
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