iframe-src.html (1541B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <script src="/resources/testharness.js"></script> 4 <script src="/resources/testharnessreport.js"></script> 5 <script src="resources/helpers.js"></script> 6 7 <body> 8 <script> 9 "use strict"; 10 promise_test(async t => { 11 const sentinelIframe = await setupSentinelIframe(t); 12 const startingHistoryLength = history.length; 13 14 const code = ` 15 window.onload = () => { window.onloadFired = true; }; 16 `; 17 const startURL = "resources/slow-code-injector.html?pipe=sub(none)&code=" + encodeURIComponent(code); 18 const afterReplacementURL = "/common/blank.html?thereplacement"; 19 const iframe = insertIframe(t, startURL); 20 21 assert_equals(history.length, startingHistoryLength, "Inserting the under-test iframe must not change history.length"); 22 23 const absoluteStartURL = (new URL(startURL, location.href)).href; 24 while (true) { 25 if (iframe.contentWindow.location.href === absoluteStartURL) { 26 break; 27 } 28 await new Promise(r => setTimeout(r, 0)); 29 } 30 31 assert_equals(iframe.contentWindow.location.href, (new URL(startURL, location.href)).href, "Iframe must be navigated away from the initial about:blank document"); 32 assert_equals(iframe.contentWindow.onloadFired, undefined, "onload must not yet have fired"); 33 34 iframe.src = afterReplacementURL; 35 36 await checkSentinelIframe(t, sentinelIframe); 37 assert_equals(history.length, startingHistoryLength, "history.length must not change after checking the sentinel iframe"); 38 }, "Replace before load, triggered by setting iframeElement.src"); 39 </script>