LayoutTests/fast/multicol/hit-test-end-of-column.html - WebKit - Git at Google

 <!DOCTYPE html>
 <div id="target" style="
     outline: dashed lightblue;
     width: 400px;
     -webkit-columns: 2;
     -webkit-column-gap: 0;
     -webkit-column-fill: auto;
     columns: 2;
     column-gap: 0;
     column-fill: auto;
     height: 90px;
     font: 20px ahem;
 ">Lorem ipsum dolor sit amet consectetur elit.</div>
 <p id="result">
     FAIL: Test did not run.
 </p>
 <script>
     if (window.testRunner)
         testRunner.dumpAsText();

     // Clicking below the last line in the first column should not select anything from the first
     // line on the second column.
     var target = document.getElementById("target");
     var hitOffset = document.caretRangeFromPoint(target.offsetLeft + 45, target.offsetTop + 87).startOffset;
     document.getElementById("result").innerText = hitOffset === 26 || hitOffset === 24 ? "PASS" : "FAIL: hit offset " + hitOffset + ".";
 </script>
	<!DOCTYPE html>
	<div id="target" style="
	outline: dashed lightblue;
	width: 400px;
	-webkit-columns: 2;
	-webkit-column-gap: 0;
	-webkit-column-fill: auto;
	columns: 2;
	column-gap: 0;
	column-fill: auto;
	height: 90px;
	font: 20px ahem;
	">Lorem ipsum dolor sit amet consectetur elit.</div>
	<p id="result">
	FAIL: Test did not run.
	</p>
	<script>
	if (window.testRunner)
	testRunner.dumpAsText();

	// Clicking below the last line in the first column should not select anything from the first
	// line on the second column.
	var target = document.getElementById("target");
	var hitOffset = document.caretRangeFromPoint(target.offsetLeft + 45, target.offsetTop + 87).startOffset;
	document.getElementById("result").innerText = hitOffset === 26 \|\| hitOffset === 24 ? "PASS" : "FAIL: hit offset " + hitOffset + ".";
	</script>