1 files changed, 56 insertions, 0 deletions
diff --git a/testing/web-platform/tests/service-workers/service-worker/fetch-request-css-base-url.https.html b/testing/web-platform/tests/service-workers/service-worker/fetch-request-css-base-url.https.html
new file mode 100644
index 000000000..0405ed709
--- /dev/null
+++ b/testing/web-platform/tests/service-workers/service-worker/fetch-request-css-base-url.https.html
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<title>Service Worker: CSS's base URL must be the request URL even when fetched from other URL</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/get-host-info.sub.js"></script>
+<script src="resources/test-helpers.sub.js?pipe=sub"></script>
+<script>
+async_test(function(t) {
+    var SCOPE = 'resources/fetch-request-css-base-url-iframe.html';
+    var SCRIPT = 'resources/fetch-request-css-base-url-worker.js';
+    var worker;
+    var testDonePromise;
+
+    return service_worker_unregister_and_register(t, SCRIPT, SCOPE)
+      .then(function(registration) {
+          worker = registration.installing;
+          return wait_for_state(t, worker, 'activated');
+        })
+      .then(function() {
+          return new Promise(function(resolve) {
+              var channel = new MessageChannel();
+              testDonePromise = new Promise(function(resolveTestDone) {
+                channel.port1.onmessage = t.step_func(function(msg) {
+                  if (msg.data.ready) {
+                    resolve();
+                    return;
+                  }
+                  var result = msg.data;
+                  var base = get_host_info()['HTTPS_ORIGIN'] + base_path();
+                  assert_equals(
+                    result.url,
+                    base + 'resources/dummy.png',
+                    'The base URL while loading the images referred from CSS ' +
+                    'must be the request URL of CSS.');
+                  assert_equals(
+                    result.referrer,
+                    base + 'resources/fetch-request-css-base-url-style.css',
+                    'While loading the image defined in CSS the referrer must ' +
+                    'be the request URL of CSS.');
+                  resolveTestDone();
+                });
+              });
+              worker.postMessage(
+                {port: channel.port2}, [channel.port2]);
+            });
+        })
+      .then(function() { return with_iframe(SCOPE); })
+      .then(function(f) {
+          return testDonePromise.then(function() {
+            f.remove();
+            return service_worker_unregister_and_done(t, SCOPE);
+          });
+        })
+      .catch(unreached_rejection(t));
+  }, 'CSS\'s base URL must be the request URL even when fetched from other URL.');
+</script>