| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/utils.js"></script> |
| <script src="/preload/resources/preload_helper.js"></script> |
| <script> |
| |
| const dummyContent = '<?xml version="1.0" encoding="utf-8"?>\n<root>Text.me</root>\n'; |
| promise_test(async (t) => { |
| const url = `resources/dummy.xml?token=${token()}`; |
| const link = document.createElement('link'); |
| link.rel = 'preload'; |
| link.as = 'fetch'; |
| link.href = url; |
| link.crossOrigin = 'anonymous'; |
| |
| document.head.appendChild(link); |
| |
| const xhr = new XMLHttpRequest(); |
| await new Promise((resolve, reject) => { |
| xhr.onloadend = resolve; |
| xhr.onloaderror = reject; |
| xhr.open('GET', url); |
| xhr.send(); |
| }); |
| verifyNumberOfResourceTimingEntries(url, 1); |
| assert_equals(xhr.status, 200); |
| assert_equals(xhr.responseText, dummyContent); |
| |
| }, 'Make an XHR request immediately after creating link rel=preload.'); |
| |
| promise_test(async (t) => { |
| const url = `resources/dummy.xml?token=${token()}`; |
| const link = document.createElement('link'); |
| link.rel = 'preload'; |
| link.as = 'fetch'; |
| link.href = url; |
| link.crossOrigin = 'anonymous'; |
| |
| await new Promise((resolve, reject) => { |
| link.addEventListener('load', resolve, {once: true}); |
| link.addEventListener('error', reject, {once: true}); |
| document.head.appendChild(link); |
| }); |
| |
| const xhr = new XMLHttpRequest(); |
| await new Promise((resolve, reject) => { |
| xhr.onloadend = resolve; |
| xhr.onloaderror = reject; |
| xhr.open('GET', url); |
| xhr.send(); |
| }); |
| verifyNumberOfResourceTimingEntries(url, 1); |
| assert_equals(xhr.status, 200); |
| assert_equals(xhr.responseText, dummyContent); |
| }, 'Make an XHR request after loading link rel=preload.'); |
| |
| </script> |