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<!DOCTYPE html>
<html>
<head>
<title>Embedded Enforcement: Subsumption Algorithm - Scheme parts in host source expressions.</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": "`https` is more restrictive than `http`.",
"required_csp": "img-src http://c.com:* https://b.com",
"returned_csp": "img-src http://b.com",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "The reverse allows iframe be to be loaded.",
"required_csp": "img-src http://c.com:* http://b.com",
"returned_csp": "img-src https://b.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "Matching `https` protocols.",
"required_csp": "img-src http://c.com:* https://b.com",
"returned_csp": "img-src https://b.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "`http:` should subsume all host source expressions with this protocol.",
"required_csp": "img-src http:",
"returned_csp": "img-src http://c.com:* https://b.com http://c.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "`http:` should subsume all host source expressions with `https:`.",
"required_csp": "img-src http:",
"returned_csp": "img-src https://c.com:* https://b.com http://c.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "`http:` does not subsume other protocols.",
"required_csp": "img-src http:",
"returned_csp": "img-src https://c.com:* wss://b.com http://c.com",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "If scheme source is present in returned csp, it must be specified in required csp too.",
"required_csp": "img-src https://c.com:* wss://b.com http://c.com",
"returned_csp": "img-src http:",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "`http:` subsumes other `http:` source expression.",
"required_csp": "img-src http:",
"returned_csp": "img-src http: https://c.com:* https://b.com http://c.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "`http:` subsumes other `https:` source expression and expressions with `http:`.",
"required_csp": "img-src http:",
"returned_csp": "img-src https: https://c.com:* http://b.com",
"expected": IframeLoad.EXPECT_LOAD },
{ "name": "All scheme sources must be subsumed.",
"required_csp": "img-src http: wss:",
"returned_csp": "img-src https: ws:",
"expected": IframeLoad.EXPECT_BLOCK },
{ "name": "All scheme sources are subsumed by their stronger variants.",
"required_csp": "img-src http: wss:",
"returned_csp": "img-src https: wss:",
"expected": IframeLoad.EXPECT_LOAD },
];
tests.forEach(test => {
async_test(t => {
var url = generateUrlWithPolicies(Host.CROSS_ORIGIN, test.returned_csp);
assert_iframe_with_csp(t, url, test.required_csp, test.expected, test.name, null);
}, test.name);
});
</script>
</body>
</html>
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