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Test Info:

<!DOCTYPE html>
<meta charset="utf-8">
<title>X-Frame-Options variations of SAMEORIGIN</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="./support/helper.sub.js"></script>
<body>
<script>
"use strict";
xfo_simple_tests({
headerValue: `SAMEORIGIN`,
sameOriginAllowed: true,
crossOriginAllowed: false
});
xfo_simple_tests({
headerValue: `sameOriGin`,
sameOriginAllowed: true,
crossOriginAllowed: false
});
xfo_simple_tests({
headerValue: ` SAMEORIGIN `,
sameOriginAllowed: true,
crossOriginAllowed: false
});
xfo_test({
check: "loaded message",
message: `SAMEORIGIN allows same-origin nested in same-origin framing`
});
xfo_test({
check: "failed message",
message: `SAMEORIGIN blocks cross-origin nested in same-origin framing`
});
xfo_test({
check: "failed message",
message: `SAMEORIGIN blocks same-origin nested in cross-origin framing`
});
xfo_test({
check: "failed message",
message: `SAMEORIGIN blocks cross-origin nested in cross-origin framing`
});
</script>