| Index: LayoutTests/fast/dom/partial-layout-block.html | 
| diff --git a/LayoutTests/fast/dom/partial-layout-block.html b/LayoutTests/fast/dom/partial-layout-block.html | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..df8d31d3efeb7bbc5bb20b7e948ba7bc34a03129 | 
| --- /dev/null | 
| +++ b/LayoutTests/fast/dom/partial-layout-block.html | 
| @@ -0,0 +1,58 @@ | 
| +<!DOCTYPE HTML> | 
| +<html> | 
| +<script src="../../resources/testharness.js"></script> | 
| +<script src="../../resources/testharnessreport.js"></script> | 
| +<link rel="stylesheet" href="../../resources/testharness.css"> | 
| +<head> | 
| +<style> | 
| +html, body { | 
| +    margin: 0; | 
| +    padding: 0; | 
| +} | 
| + | 
| +#measure { | 
| +    margin: 10px; | 
| +    padding: 10px; | 
| +} | 
| + | 
| +#fixedsize { | 
| +    width: 100px; | 
| +    height: 100px; | 
| +} | 
| +</style> | 
| +</head> | 
| +<body> | 
| +<div id="measure"><div id="fixedsize"></div></div> | 
| +<script> | 
| +    if (window.testRunner) | 
| +        testRunner.dumpAsText(); | 
| + | 
| +    if (window.internals) | 
| +        window.internals.setUsesOverlayScrollbars(true); | 
| + | 
| +    test(function() { | 
| +        var measure = document.getElementById('measure'); | 
| + | 
| +        // Record partial layout values for offset*. | 
| +        var measureWidth = measure.offsetWidth; | 
| +        var measureHeight = measure.offsetHeight; | 
| +        var measureTop = measure.offsetTop; | 
| +        var measureLeft = measure.offsetLeft; | 
| + | 
| +        // Invalidate measure and force a full layout. | 
| +        var child = measure.firstChild; | 
| +        measure.removeChild(child); | 
| +        document.body.clientHeight; | 
| +        measure.appendChild(child); | 
| +        var forceLayout = document.body.clientHeight; | 
| + | 
| +        var childOffsetTop = child.offsetTop; | 
| + | 
| +        assert_equals(measureWidth, document.body.offsetWidth - 20); | 
| +        assert_equals(measureHeight, measure.offsetHeight); | 
| +        assert_equals(measureTop, childOffsetTop - 10); | 
| +        assert_equals(measureLeft, measure.offsetLeft); | 
| +    }, 'Test that partial layout works for offset{width, height, left, top} methods.'); | 
| +</script> | 
| +</body> | 
| +</html> | 
|  |