LayoutTests/fast/text-autosizing/wide-iframe.html

<!DOCTYPE html>
<html>
<head>

<meta name="viewport" content="width=800">
<style>
body { width: 800px; margin: 0; }
</style>

<script>
if (window.internals) {
    window.internals.settings.setTextAutosizingEnabled(true);
    window.internals.settings.setTextAutosizingWindowSizeOverride(320, 480);
} else if (window.console && console.warn) {
    console.warn("This test depends on the Text Autosizing setting being true, so run it in DumpRenderTree, or manually enable Text Autosizing, and either use a mobile device with 320px device-width (like Nexus S or iPhone), or define HACK_FORCE_TEXT_AUTOSIZING_ON_DESKTOP.");
}
</script>

</head>
<body>

<iframe style="width: 3200px; height: 50%; border: 0" src='data:text/html,
<html style="font-size: 16px"><body style="margin: 0; overflow-y: hidden"><div style="width: 1600px">
This text should be autosized to just 40px computed font size, i.e. scaled up by 2.5x, since although this block is 1600px wide and is in a 3200px wide iframe, the top level frame is only 800px wide, and min(1600, 3200, 800) / 320 = 2.5.<br>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</div></body></html>'>

</body>
</html>