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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /editor/libeditor/crashtests/1405747.html
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'editor/libeditor/crashtests/1405747.html')
-rw-r--r--editor/libeditor/crashtests/1405747.html40
1 files changed, 40 insertions, 0 deletions
diff --git a/editor/libeditor/crashtests/1405747.html b/editor/libeditor/crashtests/1405747.html
new file mode 100644
index 0000000000..dae3a130f0
--- /dev/null
+++ b/editor/libeditor/crashtests/1405747.html
@@ -0,0 +1,40 @@
+<script>
+let th;
+function onLoad() {
+ // For emulating the traditional behavior, collapse Selection to end of the
+ // <colgroup> which is the last child of the <body>.
+ getSelection().collapse(
+ document.querySelector("colgroup"),
+ document.querySelector("colgroup").childNodes.length
+ );
+ th = document.querySelector("th"); // Cache the target for removing the event handler.
+ try {
+ th.addEventListener("DOMSubtreeModified", onDOMSubtreeModified);
+ } catch(e) {}
+ try {
+ th.align = "";
+ } catch(e) {}
+}
+
+let count = 0;
+function onDOMSubtreeModified() {
+ if (count++ == 1) {
+ // If we didn't stop testing this, this event handler would be called too
+ // many times. It's enough to run twice to reproduce the bug report.
+ th.removeEventListener("DOMSubtreeModified", onDOMSubtreeModified);
+ }
+ try {
+ document.execCommand("selectAll");
+ } catch(e) {}
+ try {
+ document.execCommand("justifyCenter");
+ } catch(e) {}
+ try {
+ document.execCommand("forwardDelete");
+ } catch(e) {}
+}
+</script>
+<body onload="onLoad()">
+<table contenteditable>
+<th></th>
+<colgroup></body>