<!DOCTYPE html>
<html><head>
<style>
.container {
margin: 20px;
width: 300px;
height: 200px;
border: 1px solid black;
overflow: scroll;
}
.vertical-rl {
-webkit-writing-mode: vertical-rl;
}
.offset {
width: 2000px;
height: 100px;
}
.target {
width: 100px;
height: 100px;
background-color: orange;
visibility: hidden;
}
</style>
</head>
<body>
<div class="vertical-rl">
<div class="container">
<div class="offset"></div>
<div class="target"></div>
</div></div>
An orange rect should be painted.<br/>
In DumpRenderTree, there should be repaint logs of 100x100 rect. We don't care how many times is the log dumpped.
<script src="../../../resources/run-after-layout-and-paint.js"></script>
<script src="../resources/text-based-repaint.js"></script>
<script>
repaintTest = function() {
var target = document.getElementsByClassName("target")[0];
target.style.visibility = "visible";
};
var container = document.getElementsByClassName("container")[0];
runAfterLayoutAndPaint(function() {
container.scrollLeft = -1815;
runRepaintAndPixelTest();
});
</script>
</body></html>