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<!DOCTYPE HTML>
<html>
<head>
<title>
Test that include_subdomains policies report DNS failures for subdomains
</title>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<script src='./support/nel.sub.js'></script>
</head>
<body>
<script>
nel_test(async t => {
// Make a request to a resource whose response headers include an
// include_subdomains NEL policy.
await fetchResourceWithIncludeSubdomainsPolicy();
// Make a request to another resource on a nonexistent subdomain of the
// above. Since the subdomain doesn't exist, the request should fail with
// a DNS error.
await fetchResourceWithNoPolicy('nonexistent').then((response) => {
assert_unreached("Request to nonexistent domain should fail");
}, (err) => {
// Silence the error, since it's expected.
});
// The include_subdomains policy that we just received should cover the
// second request, since include_subdomains policies can report on DNS
// errors, so the collector should have received a report about it.
assert_true(await reportExists({
url: getURLForResourceWithNoPolicy('nonexistent'),
user_agent: navigator.userAgent,
type: "network-error",
body: {
method: "GET",
sampling_fraction: 1.0,
status_code: 0,
phase: "dns",
type: "dns.name_not_resolved",
},
metadata: {
content_type: "application/reports+json",
},
}));
});
</script>
</body>
</html>
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