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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/206161">206161</a></dd>
<dt>Author</dt> <dd>jfernandez@igalia.com</dd>
<dt>Date</dt> <dd>2016-09-20 11:41:43 -0700 (Tue, 20 Sep 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>[css-grid] The 'grid' shorthand has a new syntax.
https://bugs.webkit.org/show_bug.cgi?id=161954

Reviewed by Darin Adler.

Source/WebCore:

Implementation of the new CSS syntax for the 'grid' shorthand, as
defined in the CSS Grid Layout specification:
- https://drafts.csswg.org/css-grid/#grid-shorthand

No new tests, just adapted the ones we already have and added a few additional test cases.

* css/CSSValueKeywords.in:
* css/parser/CSSParser.cpp:
(WebCore::CSSParser::parseImplicitAutoFlow): Added. Similar to parseGridAutoFlow, but using the new 'auto-flow' keyword.
(WebCore::CSSParser::parseGridShorthand): New syntax of the 'grid' shorthand.
* css/parser/CSSParser.h:

LayoutTests:

Adapted the already defined test cases to the new syntax of the
'grid' shorthand. Also added a few additional test cases.

* fast/css-grid-layout/grid-shorthand-get-set-expected.txt:
* fast/css-grid-layout/grid-shorthand-get-set.html:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsfastcssgridlayoutgridshorthandgetsetexpectedtxt">trunk/LayoutTests/fast/css-grid-layout/grid-shorthand-get-set-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastcssgridlayoutgridshorthandgetsethtml">trunk/LayoutTests/fast/css-grid-layout/grid-shorthand-get-set.html</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorecssCSSValueKeywordsin">trunk/Source/WebCore/css/CSSValueKeywords.in</a></li>
<li><a href="#trunkSourceWebCorecssparserCSSParsercpp">trunk/Source/WebCore/css/parser/CSSParser.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (206160 => 206161)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2016-09-20 18:35:24 UTC (rev 206160)
+++ trunk/LayoutTests/ChangeLog        2016-09-20 18:41:43 UTC (rev 206161)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2016-09-20  Javier Fernandez  &lt;jfernandez@igalia.com&gt;
+
+        [css-grid] The 'grid' shorthand has a new syntax.
+        https://bugs.webkit.org/show_bug.cgi?id=161954
+
+        Reviewed by Darin Adler.
+
+        Adapted the already defined test cases to the new syntax of the
+        'grid' shorthand. Also added a few additional test cases.
+
+        * fast/css-grid-layout/grid-shorthand-get-set-expected.txt:
+        * fast/css-grid-layout/grid-shorthand-get-set.html:
+
</ins><span class="cx"> 2016-09-20  Ryan Haddad  &lt;ryanhaddad@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Marking js/regress-139548.html as a flaky timeout on mac-wk2 debug.
</span></span></pre></div>
<a id="trunkLayoutTestsfastcssgridlayoutgridshorthandgetsetexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/fast/css-grid-layout/grid-shorthand-get-set-expected.txt (206160 => 206161)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/css-grid-layout/grid-shorthand-get-set-expected.txt        2016-09-20 18:35:24 UTC (rev 206160)
+++ trunk/LayoutTests/fast/css-grid-layout/grid-shorthand-get-set-expected.txt        2016-09-20 18:41:43 UTC (rev 206161)
</span><span class="lines">@@ -4,12 +4,12 @@
</span><span class="cx"> 
</span><span class="cx"> 
</span><span class="cx"> Test getting the longhand values when shorthand is set through CSS.
</span><del>-PASS window.getComputedStyle(gridWithDense, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithDense, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithDense, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithDense, '').getPropertyValue('grid-auto-flow') is &quot;row dense&quot;
-PASS window.getComputedStyle(gridWithDense, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithDense, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</del><ins>+PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</ins><span class="cx"> PASS window.getComputedStyle(gridWithTemplate, '').getPropertyValue('grid-template-columns') is &quot;15px&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithTemplate, '').getPropertyValue('grid-template-rows') is &quot;10px&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithTemplate, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
</span><span class="lines">@@ -16,86 +16,98 @@
</span><span class="cx"> PASS window.getComputedStyle(gridWithTemplate, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithTemplate, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithTemplate, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</span><del>-PASS window.getComputedStyle(gridWithTemplate1, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithTemplate1, '').getPropertyValue('grid-template-rows') is &quot;10px&quot;
-PASS window.getComputedStyle(gridWithTemplate1, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithTemplate1, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithTemplate1, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithTemplate1, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithTemplateNone, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithTemplateNone, '').getPropertyValue('grid-template-rows') is &quot;10px&quot;
-PASS window.getComputedStyle(gridWithTemplateNone, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithTemplateNone, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithTemplateNone, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithTemplateNone, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDenseAndRowsAndColumns, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDenseAndRowsAndColumns, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDenseAndRowsAndColumns, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDenseAndRowsAndColumns, '').getPropertyValue('grid-auto-flow') is &quot;row dense&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDenseAndRowsAndColumns, '').getPropertyValue('grid-auto-columns') is &quot;20px&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDenseAndRowsAndColumns, '').getPropertyValue('grid-auto-rows') is &quot;10px&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRows, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRows, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRows, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRows, '').getPropertyValue('grid-auto-flow') is &quot;column&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRows, '').getPropertyValue('grid-auto-columns') is &quot;10px&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRows, '').getPropertyValue('grid-auto-rows') is &quot;10px&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDense, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDense, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDense, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDense, '').getPropertyValue('grid-auto-flow') is &quot;row dense&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDense, '').getPropertyValue('grid-auto-columns') is &quot;10px&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDense, '').getPropertyValue('grid-auto-rows') is &quot;10px&quot;
</del><ins>+PASS window.getComputedStyle(gridInherit, '').getPropertyValue('grid-template-columns') is &quot;15px&quot;
+PASS window.getComputedStyle(gridInherit, '').getPropertyValue('grid-template-rows') is &quot;10px&quot;
+PASS window.getComputedStyle(gridInherit, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridInherit, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridInherit, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridInherit, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridNoInherit, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridNoInherit, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridNoInherit, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridNoInherit, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridNoInherit, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridNoInherit, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridColumnsAndAutoFlow, '').getPropertyValue('grid-template-columns') is &quot;10px&quot;
+PASS window.getComputedStyle(gridColumnsAndAutoFlow, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridColumnsAndAutoFlow, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridColumnsAndAutoFlow, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridColumnsAndAutoFlow, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridColumnsAndAutoFlow, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRows, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRows, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRows, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRows, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRows, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRows, '').getPropertyValue('grid-auto-rows') is &quot;10px&quot;
</ins><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowColumnDense, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowColumnDense, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowColumnDense, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowColumnDense, '').getPropertyValue('grid-auto-flow') is &quot;column dense&quot;
</span><del>-PASS window.getComputedStyle(gridWithAutoFlowColumnDense, '').getPropertyValue('grid-auto-columns') is &quot;10px&quot;
-PASS window.getComputedStyle(gridWithAutoFlowColumnDense, '').getPropertyValue('grid-auto-rows') is &quot;10px&quot;
</del><ins>+PASS window.getComputedStyle(gridWithAutoFlowColumnDense, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithAutoFlowColumnDense, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</ins><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowDenseRow, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowDenseRow, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowDenseRow, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowDenseRow, '').getPropertyValue('grid-auto-flow') is &quot;row dense&quot;
</span><del>-PASS window.getComputedStyle(gridWithAutoFlowDenseRow, '').getPropertyValue('grid-auto-columns') is &quot;10px&quot;
-PASS window.getComputedStyle(gridWithAutoFlowDenseRow, '').getPropertyValue('grid-auto-rows') is &quot;10px&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRowsAndColumns, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRowsAndColumns, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRowsAndColumns, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRowsAndColumns, '').getPropertyValue('grid-auto-flow') is &quot;column&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRowsAndColumns, '').getPropertyValue('grid-auto-columns') is &quot;20px&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndRowsAndColumns, '').getPropertyValue('grid-auto-rows') is &quot;10px&quot;
-PASS window.getComputedStyle(gridWithAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
</del><ins>+PASS window.getComputedStyle(gridWithAutoFlowDenseRow, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithAutoFlowDenseRow, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRowsAndColumns, '').getPropertyValue('grid-template-columns') is &quot;20px&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRowsAndColumns, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRowsAndColumns, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRowsAndColumns, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRowsAndColumns, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndAutoRowsAndColumns, '').getPropertyValue('grid-auto-rows') is &quot;10px&quot;
+PASS window.getComputedStyle(gridWithAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-template-columns') is &quot;100px 50px&quot;
</ins><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
</span><del>-PASS window.getComputedStyle(gridWithAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-auto-columns') is &quot;100px 10%&quot;
</del><ins>+PASS window.getComputedStyle(gridWithAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
</ins><span class="cx"> PASS window.getComputedStyle(gridWithAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-auto-rows') is &quot;20px 10px&quot;
</span><ins>+PASS window.getComputedStyle(gridWithRowsAndAutoFlow, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlow, '').getPropertyValue('grid-template-rows') is &quot;10px&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlow, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlow, '').getPropertyValue('grid-auto-flow') is &quot;column&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlow, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlow, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithRowsNoneAndAutoFlowAndAutoColumn, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsNoneAndAutoFlowAndAutoColumn, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsNoneAndAutoFlowAndAutoColumn, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsNoneAndAutoFlowAndAutoColumn, '').getPropertyValue('grid-auto-flow') is &quot;column&quot;
+PASS window.getComputedStyle(gridWithRowsNoneAndAutoFlowAndAutoColumn, '').getPropertyValue('grid-auto-columns') is &quot;10px&quot;
+PASS window.getComputedStyle(gridWithRowsNoneAndAutoFlowAndAutoColumn, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowDenseColumn, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowDenseColumn, '').getPropertyValue('grid-template-rows') is &quot;10px&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowDenseColumn, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowDenseColumn, '').getPropertyValue('grid-auto-flow') is &quot;column dense&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowDenseColumn, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowDenseColumn, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithColumnsAndDenseAutoFlow, '').getPropertyValue('grid-template-columns') is &quot;10px&quot;
+PASS window.getComputedStyle(gridWithColumnsAndDenseAutoFlow, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithColumnsAndDenseAutoFlow, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithColumnsAndDenseAutoFlow, '').getPropertyValue('grid-auto-flow') is &quot;row dense&quot;
+PASS window.getComputedStyle(gridWithColumnsAndDenseAutoFlow, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithColumnsAndDenseAutoFlow, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndAutoColumns, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndAutoColumns, '').getPropertyValue('grid-template-rows') is &quot;20px&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndAutoColumns, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndAutoColumns, '').getPropertyValue('grid-auto-flow') is &quot;column&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndAutoColumns, '').getPropertyValue('grid-auto-columns') is &quot;10px&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndAutoColumns, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-template-rows') is &quot;100px 50px&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-auto-flow') is &quot;column&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-auto-columns') is &quot;20px 10px&quot;
+PASS window.getComputedStyle(gridWithRowsAndAutoFlowAndMultipleAutoTracks, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</ins><span class="cx"> 
</span><del>-Test setting wrong values for 'grid' shorthand through CSS (they should resolve to the default: 'row')
-PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithNone, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNoneAndRowsAndColumns, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNoneAndRowsAndColumns, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNoneAndRowsAndColumns, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNoneAndRowsAndColumns, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNoneAndRowsAndColumns, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNoneAndRowsAndColumns, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNone, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNone, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNone, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNone, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNone, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowNone, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithExplicitAndImplicit, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithExplicitAndImplicit, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithExplicitAndImplicit, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithExplicitAndImplicit, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithExplicitAndImplicit, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithExplicitAndImplicit, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</del><ins>+Test getting wrong values for 'grid' shorthand through CSS (they should resolve to the default: 'none')
+PASS window.getComputedStyle(gridWithMisplacedAutoColumn, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithMisplacedAutoColumn, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithMisplacedAutoColumn, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithMisplacedAutoColumn, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithMisplacedAutoColumn, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithMisplacedAutoColumn, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</ins><span class="cx"> PASS window.getComputedStyle(gridWithMisplacedNone1, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithMisplacedNone1, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithMisplacedNone1, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
</span><span class="lines">@@ -114,54 +126,72 @@
</span><span class="cx"> PASS window.getComputedStyle(gridWithMisplacedDense, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithMisplacedDense, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
</span><span class="cx"> PASS window.getComputedStyle(gridWithMisplacedDense, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</span><del>-PASS window.getComputedStyle(gridWithWrongSlash1, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithWrongSlash1, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithWrongSlash1, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithWrongSlash1, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithWrongSlash1, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithWrongSlash1, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithWrongSlash2, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithWrongSlash2, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithWrongSlash2, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithWrongSlash2, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithWrongSlash2, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithWrongSlash2, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowRowAndColumn, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowRowAndColumn, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowRowAndColumn, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowRowAndColumn, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithAutoFlowRowAndColumn, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowRowAndColumn, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString1, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString1, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString1, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString1, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString1, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString1, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString2, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString2, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString2, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString2, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString2, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString2, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString3, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString3, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString3, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString3, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString3, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithAutoFlowString3, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithTemplateAndAutoFlow, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithTemplateAndAutoFlow, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithTemplateAndAutoFlow, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithTemplateAndAutoFlow, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithTemplateAndAutoFlow, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithTemplateAndAutoFlow, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithTemplateAndMisplacedString1, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithTemplateAndMisplacedString1, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithTemplateAndMisplacedString1, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
-PASS window.getComputedStyle(gridWithTemplateAndMisplacedString1, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
-PASS window.getComputedStyle(gridWithTemplateAndMisplacedString1, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
-PASS window.getComputedStyle(gridWithTemplateAndMisplacedString1, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</del><ins>+PASS window.getComputedStyle(gridWithDuplicatedDense, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithDuplicatedDense, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithDuplicatedDense, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithDuplicatedDense, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithDuplicatedDense, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithDuplicatedDense, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithOnlyDense, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithOnlyDense, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithOnlyDense, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithOnlyDense, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithOnlyDense, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithOnlyDense, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithoutColumnInfo, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithoutColumnInfo, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithoutColumnInfo, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithoutColumnInfo, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithoutColumnInfo, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithoutColumnInfo, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithTwoAutoFlow, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithTwoAutoFlow, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithTwoAutoFlow, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithTwoAutoFlow, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithTwoAutoFlow, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithTwoAutoFlow, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithImplicitAndNoExplicit, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithImplicitAndNoExplicit, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithImplicitAndNoExplicit, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithImplicitAndNoExplicit, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithImplicitAndNoExplicit, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithImplicitAndNoExplicit, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowColumn, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowColumn, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowColumn, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowColumn, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowColumn, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowColumn, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowRow, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowRow, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowRow, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowRow, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowRow, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoFlowRow, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoColumn, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoColumn, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoColumn, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoColumn, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoColumn, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoColumn, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoColumn, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoColumn, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoColumn, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoColumn, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoColumn, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoColumn, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoRow, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoRow, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoRow, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoRow, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoRow, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdBeforeAutoRow, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoRow, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoRow, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoRow, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoRow, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoRow, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS window.getComputedStyle(gridWithExtraIdAfterAutoRow, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</ins><span class="cx"> 
</span><span class="cx"> Test getting and setting 'grid' shorthand through JS
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is &quot;10px&quot;
</span><span class="lines">@@ -189,7 +219,7 @@
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</span><span class="cx"> PASS element.style.gridAutoRows is &quot;initial&quot;
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
</span><del>-PASS element.style.gridTemplateColumns is &quot;initial&quot;
</del><ins>+PASS element.style.gridTemplateColumns is &quot;none&quot;
</ins><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
</span><span class="cx"> PASS element.style.gridTemplateRows is &quot;initial&quot;
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
</span><span class="lines">@@ -196,14 +226,14 @@
</span><span class="cx"> PASS element.style.gridTemplateAreas is &quot;initial&quot;
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-auto-flow') is &quot;row dense&quot;
</span><span class="cx"> PASS element.style.gridAutoFlow is &quot;row dense&quot;
</span><del>-PASS getComputedStyle(element, '').getPropertyValue('grid-auto-columns') is &quot;20px&quot;
-PASS element.style.gridAutoColumns is &quot;20px&quot;
</del><ins>+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS element.style.gridAutoColumns is &quot;initial&quot;
</ins><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;20px&quot;
</span><span class="cx"> PASS element.style.gridAutoRows is &quot;20px&quot;
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
</span><span class="cx"> PASS element.style.gridTemplateColumns is &quot;initial&quot;
</span><del>-PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS element.style.gridTemplateRows is &quot;initial&quot;
</del><ins>+PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is &quot;20px&quot;
+PASS element.style.gridTemplateRows is &quot;20px&quot;
</ins><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
</span><span class="cx"> PASS element.style.gridTemplateAreas is &quot;initial&quot;
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-auto-flow') is &quot;column&quot;
</span><span class="lines">@@ -210,8 +240,32 @@
</span><span class="cx"> PASS element.style.gridAutoFlow is &quot;column&quot;
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-auto-columns') is &quot;10px&quot;
</span><span class="cx"> PASS element.style.gridAutoColumns is &quot;10px&quot;
</span><del>-PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;20px&quot;
-PASS element.style.gridAutoRows is &quot;20px&quot;
</del><ins>+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS element.style.gridAutoRows is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS element.style.gridTemplateColumns is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS element.style.gridTemplateRows is &quot;none&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS element.style.gridTemplateAreas is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-flow') is &quot;column dense&quot;
+PASS element.style.gridAutoFlow is &quot;column dense&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-columns') is &quot;20px&quot;
+PASS element.style.gridAutoColumns is &quot;20px&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS element.style.gridAutoRows is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS element.style.gridTemplateColumns is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is &quot;10px&quot;
+PASS element.style.gridTemplateRows is &quot;10px&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS element.style.gridTemplateAreas is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-flow') is &quot;column&quot;
+PASS element.style.gridAutoFlow is &quot;column&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-columns') is &quot;20px&quot;
+PASS element.style.gridAutoColumns is &quot;20px&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS element.style.gridAutoRows is &quot;initial&quot;
</ins><span class="cx"> 
</span><span class="cx"> Test the initial value
</span><span class="cx"> PASS window.getComputedStyle(element, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
</span><span class="lines">@@ -230,8 +284,8 @@
</span><span class="cx"> Test setting grid-template-columns and grid-template-rows back to 'none' through JS
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
</span><span class="cx"> PASS element.style.gridTemplateColumns is &quot;initial&quot;
</span><del>-PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
-PASS element.style.gridTemplateRows is &quot;initial&quot;
</del><ins>+PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is &quot;10px&quot;
+PASS element.style.gridTemplateRows is &quot;10px&quot;
</ins><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
</span><span class="cx"> PASS element.style.gridTemplateAreas is &quot;initial&quot;
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-auto-flow') is &quot;column&quot;
</span><span class="lines">@@ -238,8 +292,8 @@
</span><span class="cx"> PASS element.style.gridAutoFlow is &quot;column&quot;
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-auto-columns') is &quot;20px&quot;
</span><span class="cx"> PASS element.style.gridAutoColumns is &quot;20px&quot;
</span><del>-PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;10px&quot;
-PASS element.style.gridAutoRows is &quot;10px&quot;
</del><ins>+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS element.style.gridAutoRows is &quot;initial&quot;
</ins><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
</span><span class="cx"> PASS element.style.gridTemplateColumns is &quot;none&quot;
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
</span><span class="lines">@@ -252,6 +306,30 @@
</span><span class="cx"> PASS element.style.gridAutoColumns is &quot;initial&quot;
</span><span class="cx"> PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
</span><span class="cx"> PASS element.style.gridAutoRows is &quot;initial&quot;
</span><ins>+PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS element.style.gridTemplateColumns is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is &quot;20px&quot;
+PASS element.style.gridTemplateRows is &quot;20px&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS element.style.gridTemplateAreas is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-flow') is &quot;column&quot;
+PASS element.style.gridAutoFlow is &quot;column&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-columns') is &quot;10px&quot;
+PASS element.style.gridAutoColumns is &quot;10px&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS element.style.gridAutoRows is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-columns') is &quot;none&quot;
+PASS element.style.gridTemplateColumns is &quot;none&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-rows') is &quot;none&quot;
+PASS element.style.gridTemplateRows is &quot;none&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-template-areas') is &quot;none&quot;
+PASS element.style.gridTemplateAreas is &quot;none&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-flow') is &quot;row&quot;
+PASS element.style.gridAutoFlow is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-columns') is &quot;auto&quot;
+PASS element.style.gridAutoColumns is &quot;initial&quot;
+PASS getComputedStyle(element, '').getPropertyValue('grid-auto-rows') is &quot;auto&quot;
+PASS element.style.gridAutoRows is &quot;initial&quot;
</ins><span class="cx"> 
</span><span class="cx"> Test the inherit value on reset-only subproperties (grid-*-gap)
</span><span class="cx"> PASS getComputedStyle(anotherElement, '').getPropertyValue('grid-column-gap') is &quot;0px&quot;
</span></span></pre></div>
<a id="trunkLayoutTestsfastcssgridlayoutgridshorthandgetsethtml"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/fast/css-grid-layout/grid-shorthand-get-set.html (206160 => 206161)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/css-grid-layout/grid-shorthand-get-set.html        2016-09-20 18:35:24 UTC (rev 206160)
+++ trunk/LayoutTests/fast/css-grid-layout/grid-shorthand-get-set.html        2016-09-20 18:41:43 UTC (rev 206161)
</span><span class="lines">@@ -3,158 +3,187 @@
</span><span class="cx"> &lt;head&gt;
</span><span class="cx"> &lt;link href=&quot;resources/grid.css&quot; rel=&quot;stylesheet&quot;&gt;
</span><span class="cx"> &lt;style&gt;
</span><del>-#gridWithDense {
-    grid: dense;
</del><ins>+#gridWithNone {
+    grid: none;
</ins><span class="cx"> }
</span><del>-#gridWithTemplate {
</del><ins>+.gridWithTemplate {
</ins><span class="cx">     grid: 10px / 15px;
</span><span class="cx"> }
</span><del>-#gridWithTemplate1 {
-    grid: 10px / none;
</del><ins>+.gridWithInherit {
+    grid: inherit;
</ins><span class="cx"> }
</span><del>-#gridWithTemplateNone {
-    grid: 10px / none;
</del><ins>+#gridColumnsAndAutoFlow {
+    grid: auto-flow / 10px;
</ins><span class="cx"> }
</span><del>-#gridWithAutoFlowDenseAndRowsAndColumns {
-    grid: dense 10px / 20px;
</del><ins>+#gridWithAutoFlowAndAutoRows {
+    grid: auto-flow 10px / none;
</ins><span class="cx"> }
</span><del>-#gridWithAutoFlowAndRows {
-    grid: column 10px;
-}
-#gridWithAutoFlowDense {
-    grid: dense 10px;
-}
</del><span class="cx"> #gridWithAutoFlowColumnDense {
</span><del>-    grid: column dense 10px;
</del><ins>+    grid: none / auto-flow dense;
</ins><span class="cx"> }
</span><span class="cx"> #gridWithAutoFlowDenseRow {
</span><del>-    grid: dense row 10px;
</del><ins>+    grid: auto-flow dense / none;
</ins><span class="cx"> }
</span><del>-#gridWithAutoFlowAndRowsAndColumns {
-    grid: column 10px / 20px;
</del><ins>+#gridWithAutoFlowAndAutoRowsAndColumns {
+    grid: auto-flow 10px / 20px;
</ins><span class="cx"> }
</span><span class="cx"> #gridWithAutoFlowAndMultipleAutoTracks {
</span><del>-    grid: row 20px 10px / 100px 10%;
</del><ins>+    grid: auto-flow 20px 10px / 100px 50px;
</ins><span class="cx"> }
</span><ins>+#gridWithRowsAndAutoFlow {
+    grid: 10px / auto-flow;
+}
+#gridWithRowsNoneAndAutoFlowAndAutoColumn {
+    grid: none / auto-flow 10px;
+}
+#gridWithRowsAndAutoFlowDenseColumn {
+    grid: 10px / auto-flow dense;
+}
+#gridWithColumnsAndDenseAutoFlow {
+    grid: dense auto-flow / 10px;
+}
+#gridWithRowsAndAutoFlowAndAutoColumns {
+    grid: 20px / auto-flow 10px;
+}
+#gridWithRowsAndAutoFlowAndMultipleAutoTracks {
+    grid: 100px 50px / auto-flow 20px 10px;
+}
</ins><span class="cx"> 
</span><span class="cx"> /* Bad values. */
</span><span class="cx"> 
</span><del>-#gridWithNone {
-    grid: none;
</del><ins>+#gridWithMisplacedAutoColumn {
+    grid: 10px / 20px auto-flow;
</ins><span class="cx"> }
</span><del>-#gridWithAutoFlowNoneAndRowsAndColumns {
-    grid: none 10px / 20px;
-}
-#gridWithAutoFlowNone {
-    grid: none 10px;
-}
-#gridWithExplicitAndImplicit {
-    grid: 10px / 20px column;
-}
</del><span class="cx"> #gridWithMisplacedNone1 {
</span><del>-    grid: column 10px / none 20px;
</del><ins>+    grid: auto-flow 10px / none 20px;
</ins><span class="cx"> }
</span><span class="cx"> #gridWithMisplacedNone2 {
</span><span class="cx">     grid: 10px / 20px none;
</span><span class="cx"> }
</span><del>-#gridWithWrongSlash1 {
-    grid: column / 10px;
</del><ins>+#gridWithMisplacedDense {
+    grid: dense 10px / auto-flow 20px;
</ins><span class="cx"> }
</span><del>-#gridWithWrongSlash2 {
-    grid: 5x / 10px / 20px;
</del><ins>+#gridWithDuplicatedDense {
+    grid: dense auto-flow dense / 10px;
</ins><span class="cx"> }
</span><del>-#gridWithAutoFlowRowAndColumn {
-    grid: row column 10px;
</del><ins>+#gridWithOnlyDense {
+    grid: dense / 10px;
</ins><span class="cx"> }
</span><del>-#gridWithAutoFlowString1 {
-    grid: row 10px &quot;a&quot;;
</del><ins>+#gridWithoutColumnInfo {
+    grid: auto-flow dense 10px;
</ins><span class="cx"> }
</span><del>-#gridWithAutoFlowString2 {
-    grid: row &quot;a&quot; 10px;
</del><ins>+#gridWithTwoAutoFlow {
+    grid: auto-flow / auto-flow 20px;
</ins><span class="cx"> }
</span><del>-#gridWithAutoFlowString3 {
-    grid: row &quot;a&quot;;
</del><ins>+#gridWithImplicitAndNoExplicit {
+    grid: column 20px / 10px;
</ins><span class="cx"> }
</span><del>-#gridWithTemplateAndAutoFlow {
-    grid: 10px / 10px row;
</del><ins>+#gridWithExtraIdBeforeAutoFlowColumn {
+    grid: 10px / a auto-flow 20px;
</ins><span class="cx"> }
</span><del>-#gridWithTemplateAndMisplacedString1 {
-    grid: 10px / 10px &quot;a&quot;;
</del><ins>+#gridWithExtraIdBeforeAutoFlowRow {
+    grid: a auto-flow 10px / 20px;
</ins><span class="cx"> }
</span><del>-#gridWithMisplacedDense {
-    grid: dense column dense;
</del><ins>+#gridWithExtraIdBeforeAutoColumn {
+    grid: 10px / auto-flow a 20px;
</ins><span class="cx"> }
</span><ins>+#gridWithExtraIdAfterAutoColumn {
+    grid: 10px / auto-flow 20px a;
+}
+#gridWithExtraIdBeforeAutoRow {
+   grid: auto-flow a 20px / 10px;
+}
+#gridWithExtraIdAfterAutoRow {
+   grid: auto-flow 20px a / 10px;
+}
</ins><span class="cx"> &lt;/style&gt;
</span><span class="cx"> &lt;script src=&quot;../../resources/js-test.js&quot;&gt;&lt;/script&gt;
</span><span class="cx"> &lt;/head&gt;
</span><span class="cx"> &lt;body&gt;
</span><del>-&lt;div class=&quot;grid&quot; id=&quot;gridWithDense&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithTemplate&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithTemplate1&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowDenseAndRowsAndColumns&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowAndRows&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowDense&quot;&gt;&lt;/div&gt;
</del><ins>+&lt;div class=&quot;grid&quot; id=&quot;gridWithNone&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid gridWithTemplate&quot; id=&quot;gridWithTemplate&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid gridWithTemplate&quot;&gt;
+    &lt;div class=&quot;grid gridWithInherit&quot; id=&quot;gridInherit&quot;&gt;&lt;/div&gt;
+&lt;/div&gt;
+&lt;div class=&quot;grid&quot; class=&quot;gridWithTemplate&quot;&gt;
+    &lt;div&gt;&lt;div class=&quot;grid gridWithInherit&quot; id=&quot;gridNoInherit&quot;&gt;&lt;/div&gt;&lt;/div&gt;
+&lt;/div--&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridColumnsAndAutoFlow&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowAndAutoRows&quot;&gt;&lt;/div&gt;
</ins><span class="cx"> &lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowColumnDense&quot;&gt;&lt;/div&gt;
</span><span class="cx"> &lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowDenseRow&quot;&gt;&lt;/div&gt;
</span><del>-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowAndRowsAndColumns&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithNone&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithTemplateNone&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowNoneAndRowsAndColumns&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowNone&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithExplicitAndImplicit&quot;&gt;&lt;/div&gt;
</del><ins>+&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowAndAutoRowsAndColumns&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowAndMultipleAutoTracks&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithRowsAndAutoFlow&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithRowsNoneAndAutoFlowAndAutoColumn&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithRowsAndAutoFlowDenseColumn&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithColumnsAndDenseAutoFlow&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithRowsAndAutoFlowAndAutoColumns&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithRowsAndAutoFlowAndMultipleAutoTracks&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithMisplacedAutoColumn&quot;&gt;&lt;/div&gt;
</ins><span class="cx"> &lt;div class=&quot;grid&quot; id=&quot;gridWithMisplacedNone1&quot;&gt;&lt;/div&gt;
</span><span class="cx"> &lt;div class=&quot;grid&quot; id=&quot;gridWithMisplacedNone2&quot;&gt;&lt;/div&gt;
</span><del>-&lt;div class=&quot;grid&quot; id=&quot;gridWithWrongSlash1&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithWrongSlash2&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowRowAndColumn&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowString1&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowString2&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowString3&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithTemplateAndAutoFlow&quot;&gt;&lt;/div&gt;
-&lt;div class=&quot;grid&quot; id=&quot;gridWithTemplateAndMisplacedString1&quot;&gt;&lt;/div&gt;
</del><span class="cx"> &lt;div class=&quot;grid&quot; id=&quot;gridWithMisplacedDense&quot;&gt;&lt;/div&gt;
</span><del>-&lt;div class=&quot;grid&quot; id=&quot;gridWithAutoFlowAndMultipleAutoTracks&quot;&gt;&lt;/div&gt;
</del><ins>+&lt;div class=&quot;grid&quot; id=&quot;gridWithDuplicatedDense&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithOnlyDense&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithoutColumnInfo&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithTwoAutoFlow&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithImplicitAndNoExplicit&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithExtraIdBeforeAutoFlowColumn&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithExtraIdBeforeAutoFlowRow&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithExtraIdBeforeAutoColumn&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithExtraIdAfterAutoColumn&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithExtraIdBeforeAutoRow&quot;&gt;&lt;/div&gt;
+&lt;div class=&quot;grid&quot; id=&quot;gridWithExtraIdAfterAutoRow&quot;&gt;&lt;/div&gt;
</ins><span class="cx"> &lt;script src=&quot;resources/grid-shorthand-parsing-utils.js&quot;&gt;&lt;/script&gt;
</span><span class="cx"> &lt;script&gt;
</span><span class="cx">     description(&quot;This test checks that the 'grid' shorthand is properly parsed and the longhand properties correctly assigned.&quot;);
</span><span class="cx"> 
</span><span class="cx">     debug(&quot;Test getting the longhand values when shorthand is set through CSS.&quot;);
</span><del>-    testGridDefinitionsValues(document.getElementById(&quot;gridWithDense&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row dense&quot;, &quot;auto&quot;, &quot;auto&quot;);
</del><ins>+    testGridDefinitionsValues(document.getElementById(&quot;gridWithNone&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
</ins><span class="cx">     testGridDefinitionsValues(document.getElementById(&quot;gridWithTemplate&quot;), &quot;15px&quot;, &quot;10px&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
</span><del>-    testGridDefinitionsValues(document.getElementById(&quot;gridWithTemplate1&quot;), &quot;none&quot;, &quot;10px&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithTemplateNone&quot;), &quot;none&quot;, &quot;10px&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowDenseAndRowsAndColumns&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row dense&quot;, &quot;20px&quot;, &quot;10px&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowAndRows&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;column&quot;, &quot;10px&quot;, &quot;10px&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowDense&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row dense&quot;, &quot;10px&quot;, &quot;10px&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowColumnDense&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;column dense&quot;, &quot;10px&quot;, &quot;10px&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowDenseRow&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row dense&quot;, &quot;10px&quot;, &quot;10px&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowAndRowsAndColumns&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;column&quot;, &quot;20px&quot;, &quot;10px&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowAndMultipleAutoTracks&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;100px 10%&quot;, &quot;20px 10px&quot;);
</del><ins>+    testGridDefinitionsValues(document.getElementById(&quot;gridInherit&quot;), &quot;15px&quot;, &quot;10px&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridNoInherit&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridColumnsAndAutoFlow&quot;), &quot;10px&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowAndAutoRows&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;10px&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowColumnDense&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;column dense&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowDenseRow&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row dense&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowAndAutoRowsAndColumns&quot;), &quot;20px&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;10px&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowAndMultipleAutoTracks&quot;), &quot;100px 50px&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;20px 10px&quot;);
</ins><span class="cx"> 
</span><ins>+    testGridDefinitionsValues(document.getElementById(&quot;gridWithRowsAndAutoFlow&quot;), &quot;none&quot;, &quot;10px&quot;, &quot;none&quot;, &quot;column&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithRowsNoneAndAutoFlowAndAutoColumn&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;column&quot;, &quot;10px&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithRowsAndAutoFlowDenseColumn&quot;), &quot;none&quot;, &quot;10px&quot;, &quot;none&quot;, &quot;column dense&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithColumnsAndDenseAutoFlow&quot;), &quot;10px&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row dense&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithRowsAndAutoFlowAndAutoColumns&quot;), &quot;none&quot;, &quot;20px&quot;, &quot;none&quot;, &quot;column&quot;, &quot;10px&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithRowsAndAutoFlowAndMultipleAutoTracks&quot;), &quot;none&quot;, &quot;100px 50px&quot;, &quot;none&quot;, &quot;column&quot;, &quot;20px 10px&quot;, &quot;auto&quot;);
+
</ins><span class="cx">     debug(&quot;&quot;);
</span><del>-    debug(&quot;Test setting wrong values for 'grid' shorthand through CSS (they should resolve to the default: 'row')&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithNone&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowNoneAndRowsAndColumns&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowNone&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithExplicitAndImplicit&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
</del><ins>+    debug(&quot;Test getting wrong values for 'grid' shorthand through CSS (they should resolve to the default: 'none')&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithMisplacedAutoColumn&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
</ins><span class="cx">     testGridDefinitionsValues(document.getElementById(&quot;gridWithMisplacedNone1&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
</span><span class="cx">     testGridDefinitionsValues(document.getElementById(&quot;gridWithMisplacedNone2&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
</span><span class="cx">     testGridDefinitionsValues(document.getElementById(&quot;gridWithMisplacedDense&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
</span><del>-    testGridDefinitionsValues(document.getElementById(&quot;gridWithWrongSlash1&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithWrongSlash2&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowRowAndColumn&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowString1&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowString2&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithAutoFlowString3&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithTemplateAndAutoFlow&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
-    testGridDefinitionsValues(document.getElementById(&quot;gridWithTemplateAndMisplacedString1&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
</del><ins>+    testGridDefinitionsValues(document.getElementById(&quot;gridWithDuplicatedDense&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithOnlyDense&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithoutColumnInfo&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithTwoAutoFlow&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithImplicitAndNoExplicit&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithExtraIdBeforeAutoFlowColumn&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithExtraIdBeforeAutoFlowRow&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithExtraIdBeforeAutoColumn&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithExtraIdAfterAutoColumn&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithExtraIdBeforeAutoRow&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
+    testGridDefinitionsValues(document.getElementById(&quot;gridWithExtraIdAfterAutoRow&quot;), &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;);
</ins><span class="cx"> 
</span><span class="cx">     debug(&quot;&quot;);
</span><span class="cx">     debug(&quot;Test getting and setting 'grid' shorthand through JS&quot;);
</span><span class="cx">     testGridDefinitionsSetJSValues(&quot;20px / 10px&quot;, &quot;10px&quot;, &quot;20px&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;, &quot;10px&quot;, &quot;20px&quot;, &quot;none&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;initial&quot;);
</span><span class="cx">     testGridDefinitionsSetJSValues(&quot;[line] 'a' 20px / 10px&quot;, &quot;10px&quot;, &quot;[line] 20px&quot;, &quot;\&quot;a\&quot;&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;, &quot;10px&quot;, &quot;[line] 20px&quot;, &quot;\&quot;a\&quot;&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;initial&quot;);
</span><del>-    testGridDefinitionsSetJSValues(&quot;row dense 20px&quot;, &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row dense&quot;, &quot;20px&quot;, &quot;20px&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;row dense&quot;, &quot;20px&quot;, &quot;20px&quot;);
-    testGridDefinitionsSetJSValues(&quot;column 20px / 10px&quot;, &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;column&quot;, &quot;10px&quot;, &quot;20px&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;column&quot;, &quot;10px&quot;, &quot;20px&quot;);
</del><ins>+    testGridDefinitionsSetJSValues(&quot;auto-flow dense 20px / none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row dense&quot;, &quot;auto&quot;, &quot;20px&quot;, &quot;none&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;row dense&quot;, &quot;initial&quot;, &quot;20px&quot;);
+    testGridDefinitionsSetJSValues(&quot;20px / auto-flow 10px&quot;, &quot;none&quot;, &quot;20px&quot;, &quot;none&quot;, &quot;column&quot;, &quot;10px&quot;, &quot;auto&quot;, &quot;initial&quot;, &quot;20px&quot;, &quot;initial&quot;, &quot;column&quot;, &quot;10px&quot;, &quot;initial&quot;);
+    testGridDefinitionsSetJSValues(&quot;none / auto-flow dense 20px&quot;, &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;column dense&quot;, &quot;20px&quot;, &quot;auto&quot;, &quot;initial&quot;, &quot;none&quot;, &quot;initial&quot;, &quot;column dense&quot;, &quot;20px&quot;, &quot;initial&quot;);
+    testGridDefinitionsSetJSValues(&quot;10px / auto-flow 20px&quot;, &quot;none&quot;, &quot;10px&quot;, &quot;none&quot;, &quot;column&quot;, &quot;20px&quot;, &quot;auto&quot;, &quot;initial&quot;, &quot;10px&quot;, &quot;initial&quot;, &quot;column&quot;, &quot;20px&quot;, &quot;initial&quot;);
</ins><span class="cx"> 
</span><span class="cx">     debug(&quot;&quot;);
</span><span class="cx">     debug(&quot;Test the initial value&quot;);
</span><span class="lines">@@ -170,8 +199,10 @@
</span><span class="cx"> 
</span><span class="cx">     debug(&quot;&quot;);
</span><span class="cx">     debug(&quot;Test setting grid-template-columns and grid-template-rows back to 'none' through JS&quot;);
</span><del>-    testGridDefinitionsSetJSValues(&quot;column 10px / 20px&quot;, &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;column&quot;, &quot;20px&quot;, &quot;10px&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;column&quot;, &quot;20px&quot;, &quot;10px&quot;);
</del><ins>+    testGridDefinitionsSetJSValues(&quot;10px / auto-flow 20px&quot;, &quot;none&quot;, &quot;10px&quot;, &quot;none&quot;, &quot;column&quot;, &quot;20px&quot;, &quot;auto&quot;, &quot;initial&quot;, &quot;10px&quot;, &quot;initial&quot;, &quot;column&quot;, &quot;20px&quot;, &quot;initial&quot;);
</ins><span class="cx">     testGridDefinitionsSetJSValues(&quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;, &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;initial&quot;);
</span><ins>+    testGridDefinitionsSetJSValues(&quot;20px / auto-flow 10px&quot;, &quot;none&quot;, &quot;20px&quot;, &quot;none&quot;, &quot;column&quot;, &quot;10px&quot;, &quot;auto&quot;, &quot;initial&quot;, &quot;20px&quot;, &quot;initial&quot;, &quot;column&quot;, &quot;10px&quot;, &quot;initial&quot;);
+    testGridDefinitionsSetJSValues(&quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;row&quot;, &quot;auto&quot;, &quot;auto&quot;, &quot;none&quot;, &quot;none&quot;, &quot;none&quot;, &quot;initial&quot;, &quot;initial&quot;, &quot;initial&quot;);
</ins><span class="cx"> 
</span><span class="cx">     debug(&quot;&quot;);
</span><span class="cx">     debug(&quot;Test the inherit value on reset-only subproperties (grid-*-gap)&quot;);
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (206160 => 206161)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-09-20 18:35:24 UTC (rev 206160)
+++ trunk/Source/WebCore/ChangeLog        2016-09-20 18:41:43 UTC (rev 206161)
</span><span class="lines">@@ -1,3 +1,22 @@
</span><ins>+2016-09-20  Javier Fernandez  &lt;jfernandez@igalia.com&gt;
+
+        [css-grid] The 'grid' shorthand has a new syntax.
+        https://bugs.webkit.org/show_bug.cgi?id=161954
+
+        Reviewed by Darin Adler.
+
+        Implementation of the new CSS syntax for the 'grid' shorthand, as
+        defined in the CSS Grid Layout specification:
+        - https://drafts.csswg.org/css-grid/#grid-shorthand
+
+        No new tests, just adapted the ones we already have and added a few additional test cases.
+
+        * css/CSSValueKeywords.in:
+        * css/parser/CSSParser.cpp:
+        (WebCore::CSSParser::parseImplicitAutoFlow): Added. Similar to parseGridAutoFlow, but using the new 'auto-flow' keyword.
+        (WebCore::CSSParser::parseGridShorthand): New syntax of the 'grid' shorthand.
+        * css/parser/CSSParser.h:
+
</ins><span class="cx"> 2016-09-20  Alex Christensen  &lt;achristensen@webkit.org&gt;
</span><span class="cx"> 
</span><span class="cx">         URLParser should allow '@' in user
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSValueKeywordsin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSValueKeywords.in (206160 => 206161)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSValueKeywords.in        2016-09-20 18:35:24 UTC (rev 206160)
+++ trunk/Source/WebCore/css/CSSValueKeywords.in        2016-09-20 18:41:43 UTC (rev 206161)
</span><span class="lines">@@ -1250,6 +1250,7 @@
</span><span class="cx"> span
</span><span class="cx"> 
</span><span class="cx"> // grid-auto-flow
</span><ins>+auto-flow
</ins><span class="cx"> dense
</span><span class="cx"> 
</span><span class="cx"> #if defined(ENABLE_CSS3_TEXT) &amp;&amp; ENABLE_CSS3_TEXT
</span></span></pre></div>
<a id="trunkSourceWebCorecssparserCSSParsercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/parser/CSSParser.cpp (206160 => 206161)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/parser/CSSParser.cpp        2016-09-20 18:35:24 UTC (rev 206160)
+++ trunk/Source/WebCore/css/parser/CSSParser.cpp        2016-09-20 18:41:43 UTC (rev 206161)
</span><span class="lines">@@ -5501,6 +5501,33 @@
</span><span class="cx">     return parseGridTemplateRowsAndAreasAndColumns(important);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+static RefPtr&lt;CSSValue&gt; parseImplicitAutoFlow(CSSParserValueList&amp; inputList, Ref&lt;CSSPrimitiveValue&gt;&amp;&amp; flowDirection)
+{
+    // [ auto-flow &amp;&amp; dense? ]
+    auto value = inputList.current();
+    if (!value)
+        return nullptr;
+    auto list = CSSValueList::createSpaceSeparated();
+    list-&gt;append(WTFMove(flowDirection));
+    if (value-&gt;id == CSSValueAutoFlow) {
+        value = inputList.next();
+        if (value &amp;&amp; value-&gt;id == CSSValueDense) {
+            list-&gt;append(CSSValuePool::singleton().createIdentifierValue(CSSValueDense));
+            inputList.next();
+        }
+    } else {
+        if (value-&gt;id != CSSValueDense)
+            return nullptr;
+        value = inputList.next();
+        if (!value || value-&gt;id != CSSValueAutoFlow)
+            return nullptr;
+        list-&gt;append(CSSValuePool::singleton().createIdentifierValue(CSSValueDense));
+        inputList.next();
+    }
+
+    return WTFMove(list);
+}
+
</ins><span class="cx"> bool CSSParser::parseGridShorthand(bool important)
</span><span class="cx"> {
</span><span class="cx">     ASSERT(isCSSGridLayoutEnabled());
</span><span class="lines">@@ -5522,45 +5549,72 @@
</span><span class="cx"> 
</span><span class="cx">     // Need to rewind parsing to explore the alternative syntax of this shorthand.
</span><span class="cx">     m_valueList-&gt;setCurrentIndex(0);
</span><del>-
-    // 2- &lt;grid-auto-flow&gt; [ &lt;grid-auto-columns&gt; [ / &lt;grid-auto-rows&gt; ]? ]
-    if (!parseValue(CSSPropertyGridAutoFlow, important))
</del><ins>+    auto value = m_valueList-&gt;current();
+    if (!value)
</ins><span class="cx">         return false;
</span><span class="cx"> 
</span><span class="cx">     RefPtr&lt;CSSValue&gt; autoColumnsValue;
</span><span class="cx">     RefPtr&lt;CSSValue&gt; autoRowsValue;
</span><del>-
-    if (m_valueList-&gt;current()) {
-        autoRowsValue = parseGridTrackList(GridAuto);
-        if (!autoRowsValue)
</del><ins>+    RefPtr&lt;CSSValue&gt; templateRows;
+    RefPtr&lt;CSSValue&gt; templateColumns;
+    RefPtr&lt;CSSValue&gt; gridAutoFlow;
+    if (value-&gt;id == CSSValueDense || value-&gt;id == CSSValueAutoFlow) {
+        // 2- [ auto-flow &amp;&amp; dense? ] &lt;grid-auto-rows&gt;? / &lt;grid-template-columns&gt;
+        gridAutoFlow = parseImplicitAutoFlow(*m_valueList, CSSValuePool::singleton().createIdentifierValue(CSSValueRow));
+        if (!gridAutoFlow)
</ins><span class="cx">             return false;
</span><del>-        if (m_valueList-&gt;current()) {
-            if (!isForwardSlashOperator(*m_valueList-&gt;current()) || !m_valueList-&gt;next())
</del><ins>+        if (!m_valueList-&gt;current())
+            return false;
+        if (isForwardSlashOperator(*m_valueList-&gt;current()))
+            autoRowsValue = CSSValuePool::singleton().createImplicitInitialValue();
+        else {
+            autoRowsValue = parseGridTrackList(GridAuto);
+            if (!autoRowsValue)
</ins><span class="cx">                 return false;
</span><ins>+            if (!(m_valueList-&gt;current() &amp;&amp; isForwardSlashOperator(*m_valueList-&gt;current())))
+                return false;
+        }
+        if (!m_valueList-&gt;next())
+            return false;
+        templateColumns = parseGridTrackList(GridTemplate);
+        if (!templateColumns)
+            return false;
+        templateRows = CSSValuePool::singleton().createImplicitInitialValue();
+        autoColumnsValue = CSSValuePool::singleton().createImplicitInitialValue();
+    } else {
+        // 3- &lt;grid-template-rows&gt; / [ auto-flow &amp;&amp; dense? ] &lt;grid-auto-columns&gt;?
+        templateRows = parseGridTrackList(GridTemplate);
+        if (!templateRows)
+            return false;
+        if (!(m_valueList-&gt;current() &amp;&amp; isForwardSlashOperator(*m_valueList-&gt;current())))
+            return false;
+        if (!m_valueList-&gt;next())
+            return false;
+        gridAutoFlow = parseImplicitAutoFlow(*m_valueList, CSSValuePool::singleton().createIdentifierValue(CSSValueColumn));
+        if (!gridAutoFlow)
+            return false;
+        if (!m_valueList-&gt;current())
+            autoColumnsValue = CSSValuePool::singleton().createImplicitInitialValue();
+        else {
</ins><span class="cx">             autoColumnsValue = parseGridTrackList(GridAuto);
</span><span class="cx">             if (!autoColumnsValue)
</span><span class="cx">                 return false;
</span><span class="cx">         }
</span><del>-        if (m_valueList-&gt;current())
-            return false;
-    } else {
-        // Other omitted values are set to their initial values.
-        autoColumnsValue = CSSValuePool::singleton().createImplicitInitialValue();
</del><ins>+        templateColumns = CSSValuePool::singleton().createImplicitInitialValue();
</ins><span class="cx">         autoRowsValue = CSSValuePool::singleton().createImplicitInitialValue();
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    // if &lt;grid-auto-rows&gt; value is omitted, it is set to the value specified for grid-auto-columns.
-    if (!autoColumnsValue)
-        autoColumnsValue = autoRowsValue;
</del><ins>+    if (m_valueList-&gt;current())
+        return false;
</ins><span class="cx"> 
</span><del>-    addProperty(CSSPropertyGridAutoColumns, autoColumnsValue.releaseNonNull(), important);
-    addProperty(CSSPropertyGridAutoRows, autoRowsValue.releaseNonNull(), important);
-
</del><span class="cx">     // It can only be specified the explicit or the implicit grid properties in a single grid declaration.
</span><span class="cx">     // The sub-properties not specified are set to their initial value, as normal for shorthands.
</span><del>-    addProperty(CSSPropertyGridTemplateColumns, CSSValuePool::singleton().createImplicitInitialValue(), important);
-    addProperty(CSSPropertyGridTemplateRows, CSSValuePool::singleton().createImplicitInitialValue(), important);
</del><ins>+    addProperty(CSSPropertyGridTemplateColumns, templateColumns.releaseNonNull(), important);
+    addProperty(CSSPropertyGridTemplateRows, templateRows.releaseNonNull(), important);
</ins><span class="cx">     addProperty(CSSPropertyGridTemplateAreas, CSSValuePool::singleton().createImplicitInitialValue(), important);
</span><ins>+    addProperty(CSSPropertyGridAutoFlow, gridAutoFlow.releaseNonNull(), important);
+    addProperty(CSSPropertyGridAutoColumns, autoColumnsValue.releaseNonNull(), important);
+    addProperty(CSSPropertyGridAutoRows, autoRowsValue.releaseNonNull(), important);
</ins><span class="cx">     addProperty(CSSPropertyGridColumnGap, CSSValuePool::singleton().createImplicitInitialValue(), important);
</span><span class="cx">     addProperty(CSSPropertyGridRowGap, CSSValuePool::singleton().createImplicitInitialValue(), important);
</span><span class="cx"> 
</span></span></pre>
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