LayoutTests/fast/layers/hidpi-floor-negative-coordinate-values-to-maintain-rounding-direction-expected.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <title>This tests if negative coordinate values round to the same position as if they were positive.</title>
 <style>
   .inner {
     position: relative;
     top: 0px;
     left: 0px;
     width: 2px;
     height: 2px;
     border: solid black 0.5px;
   }

   .outer {
     position: absolute;
     top: 0px;
     left: 0px;
   }
 </style>
 </head>
 <body>
 <p id="container"></p>
 <script>
   var container = document.getElementById("container");
   for (i = 0; i < 40; ++i) {
     adjustment = 0;
     for (j = 0; j < 40; ++j) {
       var outer = document.createElement("div");
       outer.style.top = 7 * (i + j * adjustment)  + "px";
       outer.style.left = 7 * (j + i * adjustment)  + "px";
       outer.className = "outer";

       var inner = document.createElement("div");
       inner.style.top = (-adjustment) + "px";
       inner.style.left = (-adjustment) + "px";
       inner.className = "inner";
       adjustment += 0.01;

       outer.appendChild(inner);
       container.appendChild(outer);
     }
   }
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>This tests if negative coordinate values round to the same position as if they were positive.</title>
	<style>
	.inner {
	position: relative;
	top: 0px;
	left: 0px;
	width: 2px;
	height: 2px;
	border: solid black 0.5px;
	}

	.outer {
	position: absolute;
	top: 0px;
	left: 0px;
	}
	</style>
	</head>
	<body>
	<p id="container"></p>
	<script>
	var container = document.getElementById("container");
	for (i = 0; i < 40; ++i) {
	adjustment = 0;
	for (j = 0; j < 40; ++j) {
	var outer = document.createElement("div");
	outer.style.top = 7 * (i + j * adjustment) + "px";
	outer.style.left = 7 * (j + i * adjustment) + "px";
	outer.className = "outer";

	var inner = document.createElement("div");
	inner.style.top = (-adjustment) + "px";
	inner.style.left = (-adjustment) + "px";
	inner.className = "inner";
	adjustment += 0.01;

	outer.appendChild(inner);
	container.appendChild(outer);
	}
	}
	</script>
	</body>
	</html>