1 files changed, 42 insertions, 0 deletions
diff --git a/tests/wpt/web-platform-tests/background-fetch/fetch.https.window.js b/tests/wpt/web-platform-tests/background-fetch/fetch.https.window.js
index 6a8cf6c0e3a..35b5709d22b 100644
--- a/tests/wpt/web-platform-tests/background-fetch/fetch.https.window.js
+++ b/tests/wpt/web-platform-tests/background-fetch/fetch.https.window.js
@@ -1,5 +1,7 @@
+// META: script=/common/get-host-info.sub.js
 // META: script=/service-workers/service-worker/resources/test-helpers.sub.js
 // META: script=resources/utils.js
+
 'use strict';
 
 // Covers basic functionality provided by BackgroundFetchManager.fetch().
@@ -324,3 +326,43 @@ backgroundFetchTest(async (test, backgroundFetch) => {
   assert_equals(results[1].text, 'Background Fetch');
 
 }, 'Matching multiple times on the same request works as expected.');
+
+backgroundFetchTest(async (test, backgroundFetch) => {
+  const filePath = '/background-fetch/resources/feature-name.txt';
+  const registration = await backgroundFetch.fetch(
+    uniqueId(),
+    `https://${get_host_info().REMOTE_HOST}${filePath}`);
+
+  const {type, eventRegistration, results} = await getMessageFromServiceWorker();
+  assert_equals(type, 'backgroundfetchfail');
+  assert_equals(results.length, 1);
+
+  assert_equals(results[0], null);
+  assert_equals(eventRegistration.id, registration.id);
+  assert_equals(eventRegistration.downloaded, 0);
+}, 'Responses failing CORS checks are not leaked');
+
+backgroundFetchTest(async (test, backgroundFetch) => {
+  const registration = await backgroundFetch.fetch(
+    uniqueId(), ['resources/feature-name.txt', '/common/slow.py']);
+
+  const record = await registration.match('resources/feature-name.txt');
+
+  await new Promise(resolve => {
+    const expectedResultText = 'Background Fetch';
+
+    registration.onprogress = async event => {
+      if (event.target.downloaded < expectedResultText.length)
+        return;
+
+      const response = await record.responseReady;
+
+      assert_true(response.url.includes('resources/feature-name.txt'));
+      const completedResponseText = await response.text();
+      assert_equals(completedResponseText, expectedResultText);
+
+      resolve();
+    };
+  });
+
+}, 'Access to active fetches is supported.');