| Index: third_party/WebKit/LayoutTests/fast/multicol/span/offset-properties-empty-content.html | 
| diff --git a/third_party/WebKit/LayoutTests/fast/multicol/span/offset-properties-empty-content.html b/third_party/WebKit/LayoutTests/fast/multicol/span/offset-properties-empty-content.html | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..c1fac10b1194c7522153fd109a09f43c08d07910 | 
| --- /dev/null | 
| +++ b/third_party/WebKit/LayoutTests/fast/multicol/span/offset-properties-empty-content.html | 
| @@ -0,0 +1,21 @@ | 
| +<!DOCTYPE html> | 
| +<script src="../../../resources/testharness.js"></script> | 
| +<script src="../../../resources/testharnessreport.js"></script> | 
| +<div style="position:relative; border:10px solid; columns:3; column-gap:0; column-fill:auto; width:300px;"> | 
| +    <div></div> | 
| +    <!-- In front of the spanner there's only a zero-height DIV. This does still count as column | 
| +         content, and we'll therefore establish a zero-height column set in front of the spanner, as | 
| +         well as one after it (which happens to have non-zero-height content). No flow thread offset | 
| +         should map to the first column set, since it's completely empty. --> | 
| +    <div style="column-span:all; height:50px;"></div> | 
| +    <div id="elm1" style="height:100px;"></div> | 
| +    <div id="elm2" style="height:100px;"></div> | 
| +    <div id="elm3" style="height:100px;"></div> | 
| +</div> | 
| +<script> | 
| +    test(function() { | 
| +        assert_equals(document.getElementById('elm1').offsetTop, 50); | 
| +        assert_equals(document.getElementById('elm2').offsetTop, 50); | 
| +        assert_equals(document.getElementById('elm3').offsetTop, 50); | 
| +    }, "columns following a spanner following empty content"); | 
| +</script> | 
|  |