diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /toolkit/components/extensions/test/xpcshell/data/file_document_write.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/components/extensions/test/xpcshell/data/file_document_write.html')
| -rw-r--r-- | toolkit/components/extensions/test/xpcshell/data/file_document_write.html | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/data/file_document_write.html b/toolkit/components/extensions/test/xpcshell/data/file_document_write.html new file mode 100644 index 0000000000..f8369ae574 --- /dev/null +++ b/toolkit/components/extensions/test/xpcshell/data/file_document_write.html @@ -0,0 +1,36 @@ +<!DOCTYPE HTML> +<html> +<head> +<meta charset="utf-8"> +</head> +<body> + <iframe id="iframe"></iframe> + + <script type="text/javascript"> + "use strict"; + addEventListener("load", () => { + // Send a heap-minimize observer notification so our script cache is + // cleared, and our content script isn't available for synchronous + // insertion. + window.dispatchEvent(new CustomEvent("MozHeapMinimize")); + + let iframe = document.getElementById("iframe"); + let doc = iframe.contentDocument; + let win = iframe.contentWindow; + doc.open("text/html"); + // We need to do two writes here. The first creates the document element, + // which normally triggers parser blocking. The second triggers the + // creation of the element we're about to query for, which would normally + // happen asynchronously if the parser were blocked. + doc.write("<div id=meh>"); + doc.write("<div id=beer></div>"); + + let elem = doc.getElementById("beer"); + top.postMessage(elem instanceof win.HTMLDivElement ? "ok" : "fail", + "*"); + + doc.close(); + }, {once: true}); + </script> +</body> +</html> |