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<html>
<head>
<title>Embedded Enforcement: Subsumption Algorithm - 'self' 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": "'self' keywords should match.", 
        "required_csp": "img-src 'self' http://b.com:*", 
        "returned_csp": "img-src 'self' http://b.com:*",
        "expected": IframeLoad.EXPECT_LOAD },
      { "name": "Returned CSP does not have to specify 'self'.", 
        "required_csp": "img-src 'self' http://b.com:*", 
        "returned_csp": "img-src http://b.com:*",
        "expected": IframeLoad.EXPECT_LOAD },
      { "name": "Returned CSP must not allow 'self' if required CSP does not.", 
        "required_csp": "img-src http://b.com:*", 
        "returned_csp": "img-src 'self' http://b.com:*",
        "expected": IframeLoad.EXPECT_BLOCK },
      { "name": "Returned 'self' should match to an origin's url.", 
        "required_csp": "img-src 'self' http://b.com:*", 
        "returned_csp": "img-src " + getCrossOrigin(),
        "expected": IframeLoad.EXPECT_LOAD },
      { "name": "Required 'self' should match to a origin's url.", 
        "required_csp": "img-src " +  getCrossOrigin() + " http://b.com:*", 
        "returned_csp": "img-src 'self'",
        "expected": IframeLoad.EXPECT_LOAD },
      { "name": "Required 'self' should subsume a more secure version of origin's url.", 
        "required_csp": "img-src 'self' http://b.com:*", 
        "returned_csp": "img-src " + getSecureCrossOrigin(),
        "expected": IframeLoad.EXPECT_LOAD },
      { "name": "Returned 'self' should not be subsumed by a more secure version of origin's url.", 
        "required_csp": "img-src " + getSecureCrossOrigin() + " http://b.com:*", 
        "returned_csp": "img-src 'self'",
        "expected": IframeLoad.EXPECT_BLOCK },
    ];
    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>