importScripts('/resources/testharness.js'); self.addEventListener('fetch', function(event) { event.respondWith(new Promise(function(resolve) { Promise.resolve() .then(function() { assert_equals( event.request.redirect, 'manual', 'The redirect mode of navigation request must be manual.'); return fetch(event.request); }) .then(function(response) { assert_equals( response.type, 'opaqueredirect', 'The response type of 302 response must be opaqueredirect.'); resolve(new Response('OK')); }) .catch(function(error) { resolve(new Response('Failed in SW: ' + error)); }); })); });