LayoutTests/fast/borders/hidpi-border-image-gradient-on-subpixels.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <title>This tests that border images sized and positioned properly on subpixels.</title>
 <style>
   div {
     border-width:0px 0px 0px 0.5px;
     position: fixed;
     -webkit-border-image: -webkit-linear-gradient(black, black) 1 100%;
     border-style: solid;
   }
 </style>
 </head>
 <body>
 <p id="container"></p>
 <script>
   var container = document.getElementById("container");
   w=5; h=5;
   for (i = 0; i < 15; ++i) {
     b = 0;
     for (j = 0; j < 15; ++j) {
       var e = document.createElement("div");
       e.style.top = ((w + 1) * i) + "px";
       e.style.left = ((w + 1) * j) + "px";
       e.style.width = w + "px";
       e.style.height = h + "px";
       e.style.borderLeftWidth = b + "px";
       container.appendChild(e);
       w+=0.1;
       h+=0.1;
       b+=0.5;
     }
   }
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>This tests that border images sized and positioned properly on subpixels.</title>
	<style>
	div {
	border-width:0px 0px 0px 0.5px;
	position: fixed;
	-webkit-border-image: -webkit-linear-gradient(black, black) 1 100%;
	border-style: solid;
	}
	</style>
	</head>
	<body>
	<p id="container"></p>
	<script>
	var container = document.getElementById("container");
	w=5; h=5;
	for (i = 0; i < 15; ++i) {
	b = 0;
	for (j = 0; j < 15; ++j) {
	var e = document.createElement("div");
	e.style.top = ((w + 1) * i) + "px";
	e.style.left = ((w + 1) * j) + "px";
	e.style.width = w + "px";
	e.style.height = h + "px";
	e.style.borderLeftWidth = b + "px";
	container.appendChild(e);
	w+=0.1;
	h+=0.1;
	b+=0.5;
	}
	}
	</script>
	</body>
	</html>