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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/189538">189538</a></dd>
<dt>Author</dt> <dd>rego@igalia.com</dd>
<dt>Date</dt> <dd>2015-09-09 04:23:07 -0700 (Wed, 09 Sep 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>[css-grid] Percentage columns shouldn't include border and padding
https://bugs.webkit.org/show_bug.cgi?id=148978

Reviewed by Sergio Villar Senin.

Source/WebCore:

Subtract border and padding when we're calculating the breadth of the
columns in LayoutGrid::computeUsedBreadthOfSpecifiedLength().

Added test to check the behavior for both columns and rows.

Test: fast/css-grid-layout/grid-percent-track-margin-border-padding.html

* rendering/RenderGrid.cpp:
(WebCore::RenderGrid::computeUsedBreadthOfSpecifiedLength):

LayoutTests:

* fast/css-grid-layout/grid-percent-track-margin-border-padding-expected.txt: Added.
* fast/css-grid-layout/grid-percent-track-margin-border-padding.html: Added.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderGridcpp">trunk/Source/WebCore/rendering/RenderGrid.cpp</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfastcssgridlayoutgridpercenttrackmarginborderpaddingexpectedtxt">trunk/LayoutTests/fast/css-grid-layout/grid-percent-track-margin-border-padding-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastcssgridlayoutgridpercenttrackmarginborderpaddinghtml">trunk/LayoutTests/fast/css-grid-layout/grid-percent-track-margin-border-padding.html</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (189537 => 189538)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2015-09-09 08:49:19 UTC (rev 189537)
+++ trunk/LayoutTests/ChangeLog        2015-09-09 11:23:07 UTC (rev 189538)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2015-09-09  Manuel Rego Casasnovas  &lt;rego@igalia.com&gt;
+
+        [css-grid] Percentage columns shouldn't include border and padding
+        https://bugs.webkit.org/show_bug.cgi?id=148978
+
+        Reviewed by Sergio Villar Senin.
+
+        * fast/css-grid-layout/grid-percent-track-margin-border-padding-expected.txt: Added.
+        * fast/css-grid-layout/grid-percent-track-margin-border-padding.html: Added.
+
</ins><span class="cx"> 2015-09-09  Chris Dumez  &lt;cdumez@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         HTMLTableElement.tHead / tFoot / caption should be nullable
</span></span></pre></div>
<a id="trunkLayoutTestsfastcssgridlayoutgridpercenttrackmarginborderpaddingexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/css-grid-layout/grid-percent-track-margin-border-padding-expected.txt (0 => 189538)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/css-grid-layout/grid-percent-track-margin-border-padding-expected.txt                                (rev 0)
+++ trunk/LayoutTests/fast/css-grid-layout/grid-percent-track-margin-border-padding-expected.txt        2015-09-09 11:23:07 UTC (rev 189538)
</span><span class="lines">@@ -0,0 +1,10 @@
</span><ins>+This test checks that percentage tracks ignore grid container's margin, border and padding in order to calculate their breadths.
+
+PASS
+PASS
+PASS
+PASS
+PASS
+PASS
+PASS
+PASS
</ins></span></pre></div>
<a id="trunkLayoutTestsfastcssgridlayoutgridpercenttrackmarginborderpaddinghtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/css-grid-layout/grid-percent-track-margin-border-padding.html (0 => 189538)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/css-grid-layout/grid-percent-track-margin-border-padding.html                                (rev 0)
+++ trunk/LayoutTests/fast/css-grid-layout/grid-percent-track-margin-border-padding.html        2015-09-09 11:23:07 UTC (rev 189538)
</span><span class="lines">@@ -0,0 +1,102 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;head&gt;
+&lt;link href=&quot;resources/grid.css&quot; rel=&quot;stylesheet&quot;&gt;
+&lt;style&gt;
+.grid {
+    width: 100px;
+    height: 100px;
+    -webkit-grid-template-columns: 20% 50% 30%;
+    -webkit-grid-template-rows: 40% 60%;
+}
+
+.margin {
+    margin: 10px;
+}
+
+.border {
+    border: 5px solid black;
+}
+
+.padding {
+    padding: 20px;
+}
+&lt;/style&gt;
+&lt;script src=&quot;../../resources/check-layout.js&quot;&gt;&lt;/script&gt;
+&lt;/head&gt;
+&lt;body onload=&quot;checkLayout('.grid');&quot;&gt;
+    &lt;p&gt;This test checks that percentage tracks ignore grid container's margin, border and padding in order to calculate their breadths.&lt;/p&gt;
+
+    &lt;div class=&quot;grid&quot;&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+    &lt;/div&gt;
+
+    &lt;div class=&quot;grid margin&quot;&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+    &lt;/div&gt;
+
+    &lt;div class=&quot;grid border&quot;&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+    &lt;/div&gt;
+
+    &lt;div class=&quot;grid padding&quot;&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+    &lt;/div&gt;
+
+    &lt;div class=&quot;grid margin border&quot;&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+    &lt;/div&gt;
+
+    &lt;div class=&quot;grid margin padding&quot;&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+    &lt;/div&gt;
+
+    &lt;div class=&quot;grid border padding&quot;&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+    &lt;/div&gt;
+
+    &lt;div class=&quot;grid margin border padding&quot;&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;40&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;20&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;50&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+        &lt;div data-expected-width=&quot;30&quot; data-expected-height=&quot;60&quot;&gt;&lt;/div&gt;
+    &lt;/div&gt;
+&lt;/body&gt;
+&lt;/html&gt;
</ins></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (189537 => 189538)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-09-09 08:49:19 UTC (rev 189537)
+++ trunk/Source/WebCore/ChangeLog        2015-09-09 11:23:07 UTC (rev 189538)
</span><span class="lines">@@ -1,3 +1,20 @@
</span><ins>+2015-09-09  Manuel Rego Casasnovas  &lt;rego@igalia.com&gt;
+
+        [css-grid] Percentage columns shouldn't include border and padding
+        https://bugs.webkit.org/show_bug.cgi?id=148978
+
+        Reviewed by Sergio Villar Senin.
+
+        Subtract border and padding when we're calculating the breadth of the
+        columns in LayoutGrid::computeUsedBreadthOfSpecifiedLength().
+
+        Added test to check the behavior for both columns and rows.
+
+        Test: fast/css-grid-layout/grid-percent-track-margin-border-padding.html
+
+        * rendering/RenderGrid.cpp:
+        (WebCore::RenderGrid::computeUsedBreadthOfSpecifiedLength):
+
</ins><span class="cx"> 2015-09-09  Chris Dumez  &lt;cdumez@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         HTMLTableElement.tHead / tFoot / caption should be nullable
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderGridcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderGrid.cpp (189537 => 189538)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderGrid.cpp        2015-09-09 08:49:19 UTC (rev 189537)
+++ trunk/Source/WebCore/rendering/RenderGrid.cpp        2015-09-09 11:23:07 UTC (rev 189538)
</span><span class="lines">@@ -451,7 +451,7 @@
</span><span class="cx"> {
</span><span class="cx">     ASSERT(trackLength.isSpecified());
</span><span class="cx">     if (direction == ForColumns)
</span><del>-        return valueForLength(trackLength, logicalWidth());
</del><ins>+        return valueForLength(trackLength, logicalWidth() - borderAndPaddingLogicalWidth());
</ins><span class="cx">     return valueForLength(trackLength, computeContentLogicalHeight(MainOrPreferredSize, style().logicalHeight(), Nullopt).valueOr(0));
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre>
</div>
</div>

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