web-platform-tests · chromium-wpt-export-bot · Jul 17, 2026 · Jul 16, 2026
diff --git a/...ompression-dictionary/dictionary-fetch-with-link-element-crossorigin.tentative.https.html b/...ompression-dictionary/dictionary-fetch-with-link-element-crossorigin.tentative.https.html
@@ -0,0 +1,74 @@
+<!DOCTYPE html>
+<title>compression-dictionary</title>
+<meta name="timeout" content="long"/>
+<link rel="help" href="http://github.com/whatwg/html/pull/11620">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
+<script src="./resources/compression-dictionary-util.sub.js"></script>
+<script>
+let frame;
+
+// Set up the service worker and the frame.
+promise_test(t => {
+    const kScope = 'resources/empty.https.html';
+    const kScript = 'resources/fetch-options-worker.js';
+    return service_worker_unregister_and_register(t, kScript, kScope)
+      .then(registration => {
+          add_completion_callback(() => {
+              registration.unregister();
+            });
+
+          return wait_for_state(t, registration.installing, 'activated');
+        })
+      .then(() => {
+          return with_iframe(kScope);
+        })
+      .then(f => {
+          frame = f;
+          add_completion_callback(() => { f.remove(); });
+        });
+  }, 'Initialize global state');
+
+compression_dictionary_promise_test(async t => {
+  await new Promise((resolve, reject) => {
+      let node = frame.contentWindow.document.createElement("link");
+      node.rel = "compression-dictionary";
+      node.onload = resolve;
+      node.onerror = reject;
+      node.href = "dummy?mode=cors&credentials=same-origin";
+      frame.contentWindow.document.body.appendChild(node);
+  }).catch(() => {
+      assert_unreached("Fetch errored.");
+  });
+}, 'HTMLLinkElement rel=compression-dictionary');
+
+compression_dictionary_promise_test(async t => {
+  await new Promise((resolve, reject) => {
+      let node = frame.contentWindow.document.createElement("link");
+      node.rel = "compression-dictionary";
+      node.onload = resolve;
+      node.onerror = reject;
+      node.crossOrigin = "anonymous";
+      node.href = "dummy?mode=cors&credentials=same-origin";
+      frame.contentWindow.document.body.appendChild(node);
+  }).catch(() => {
+      assert_unreached("Fetch errored.");
+  });
+}, 'HTMLLinkElement rel=compression-dictionary crossorigin=anonymous');
+
+compression_dictionary_promise_test(async t => {
+  await new Promise((resolve, reject) => {
+      let node = frame.contentWindow.document.createElement("link");
+      node.rel = "compression-dictionary";
+      node.onload = resolve;
+      node.onerror = reject;
+      node.crossOrigin = "use-credentials";
+      node.href = "dummy?mode=cors&credentials=include";
+      frame.contentWindow.document.body.appendChild(node);
+  }).catch(() => {
+      assert_unreached("Fetch errored.");
+  });
+}, 'HTMLLinkElement rel=compression-dictionary crossorigin=use-credentials');
+
+</script>
diff --git a/fetch/compression-dictionary/resources/dummy b/fetch/compression-dictionary/resources/dummy
diff --git a/fetch/compression-dictionary/resources/empty.https.html b/fetch/compression-dictionary/resources/empty.https.html
@@ -0,0 +1 @@
+<!DOCTYPE html>
diff --git a/fetch/compression-dictionary/resources/fetch-options-worker.js b/fetch/compression-dictionary/resources/fetch-options-worker.js
@@ -0,0 +1,13 @@
+self.addEventListener('fetch', function(event) {
+  if (event.request.url.includes('dummy')) {
+    const params = new URL(event.request.url).searchParams;
+    const credentials = params.get("credentials");
+    const mode = params.get("mode");
+    if ((!mode || mode == event.request.mode) &&
+        (!credentials || credentials == event.request.credentials)) {
+      event.respondWith(fetch(event.request));
+    } else {
+      event.respondWith(Response.error());
+    }
+  }
+});