1 files changed, 53 insertions, 0 deletions
diff --git a/testing/web-platform/tests/speculation-rules/prefetch/referrer-policy-not-accepted.https.html b/testing/web-platform/tests/speculation-rules/prefetch/referrer-policy-not-accepted.https.html
new file mode 100644
index 0000000000..d7c003b3ca
--- /dev/null
+++ b/testing/web-platform/tests/speculation-rules/prefetch/referrer-policy-not-accepted.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<title>Prefetch attempts with an unacceptable referrer policy</title>
+
+<!--Split test cases due to the use of timeouts in speculation rules test utilities.-->
+<meta name="variant" content="?1-1">
+<meta name="variant" content="?2-last">
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/dispatcher/dispatcher.js"></script>
+<script src="/common/subset-tests.js"></script>
+<script src="/common/utils.js"></script>
+<script src="resources/utils.sub.js"></script>
+
+<script>
+"use strict";
+
+subsetTest(promise_test, async t => {
+  assert_implements(HTMLScriptElement.supports('speculationrules'), "Speculation Rules not supported");
+
+  const agent = await spawnWindow(t);
+  await agent.setReferrerPolicy("unsafe-url");
+  const expectedReferrer = agent.getExecutorURL().href;
+
+  const nextURL = agent.getExecutorURL({ page: 2 });
+  await agent.forceSinglePrefetch(nextURL);
+  await agent.navigate(nextURL);
+
+  const headers = await agent.getRequestHeaders();
+  // The referrer policy restriction does not apply to same-site prefetch.
+  assert_prefetched(headers, "must be prefetched");
+  assert_equals(headers.referer, expectedReferrer, "must send the full URL as the referrer");
+}, 'with "unsafe-url" referrer policy on same-site referring page');
+
+subsetTest(promise_test, async t => {
+  assert_implements(HTMLScriptElement.supports('speculationrules'), "Speculation Rules not supported");
+
+  const agent = await spawnWindow(t);
+  await agent.setReferrerPolicy("unsafe-url");
+  const expectedReferrer = agent.getExecutorURL().href;
+
+  const nextURL = agent.getExecutorURL({ hostname: PREFETCH_PROXY_BYPASS_HOST, page: 2 });
+  // This prefetch attempt should be ignored.
+  await agent.forceSinglePrefetch(
+      nextURL, { requires: ["anonymous-client-ip-when-cross-origin"] });
+  await agent.navigate(nextURL);
+
+  const headers = await agent.getRequestHeaders();
+  assert_not_prefetched(headers, "must not be prefetched");
+  assert_equals(headers.referer, expectedReferrer, "must send the full URL as the referrer");
+}, 'with "unsafe-url" referrer policy on cross-site referring page');
+
+</script>