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Test Info:
- Manifest: dom/base/crashtests/crashtests.list
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
canvas {
break-before: page;
}
.fl {
position: fixed;
top: 0px;
left: 0px;
}
.fl::first-letter {
font-size: 3em;
}
</style>
</head>
<body>
<iframe name="pf" srcdoc="<p>x</p>"></iframe>
<p class="fl" id="fp"> aaa</p>
<canvas></canvas>
<script>
function cb(state) {
const orig = document.querySelector("iframe[name=pf]");
// Brush aside the live page's browsing context for the iframe.
orig.name = "renamed";
// Printing context is still named `pf`, look for it.
const w = window.open("", "pf");
try {
w.parent.document.getElementById("fp").firstChild.data = "X";
} finally {
// Clean up for testing purposes.
w.close();
state.done();
}
}
document.querySelector("canvas").mozPrintCallback = cb;
window.onload = () => { SpecialPowers.wrap(window).printPreview()?.close(); }
</script>
</body>
</html>