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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/175432">175432</a></dd>
<dt>Author</dt> <dd>benjamin@webkit.org</dd>
<dt>Date</dt> <dd>2014-10-31 16:10:04 -0700 (Fri, 31 Oct 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Pseudo classes with an escaped parenthesis generate invalid rules
https://bugs.webkit.org/show_bug.cgi?id=138266
Patch by Benjamin Poulain <bpoulain@apple.com> on 2014-10-31
Reviewed by Antti Koivisto.
Source/WebCore:
Since the functional pseudo classes are part of the list of PseudoClassAndCompatibilityElement,
they could be created by the rule
pseudo:
':' IDENT
if the parenthesis is escaped. For example, with ":not\\(", the IDENT would be
"not(", CSSParserSelector::parsePseudoClassAndCompatibilityElementSelector would
find a pseudo class type of PseudoClassNot, and the action would create an invalid
CSSSelector for a :not() without nested selector.
This patch fixes the issue by detecting the function case in
CSSParserSelector::parsePseudoClassAndCompatibilityElementSelector().
An other solution would be to split PseudoClassAndCompatibilityElement into simple pseudo class
and functional pseudo classes. We may do that some day but at the moment it is a lot of work with
a little benefit.
Tests: fast/css/crash-on-incomplete-webkit-any.html
fast/css/pseudo-escaped-parenthesis.html
fast/selectors/invalid-functional-pseudo-class.html
* css/CSSParserValues.cpp:
(WebCore::CSSParserSelector::parsePseudoClassAndCompatibilityElementSelector):
LayoutTests:
* fast/selectors/invalid-functional-pseudo-class-expected.txt: Added.
* fast/selectors/invalid-functional-pseudo-class.html: Added.
New test for all the functional pseudo classes.
* fast/css/crash-on-incomplete-webkit-any-expected.txt: Added.
* fast/css/crash-on-incomplete-webkit-any.html: Added.
* fast/css/pseudo-escaped-parenthesis-expected.txt: Added.
* fast/css/pseudo-escaped-parenthesis.html: Added.
Those tests come from blink. Rune solved the same problem a year ago on blink
in https://chromiumcodereview.appspot.com/23710067
The patch is quite different because blink uses an ancient code base, but the tests
can still be useful so I included them here.</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="#trunkSourceWebCorecssCSSParserValuescpp">trunk/Source/WebCore/css/CSSParserValues.cpp</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfastcsscrashonincompletewebkitanyexpectedtxt">trunk/LayoutTests/fast/css/crash-on-incomplete-webkit-any-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastcsscrashonincompletewebkitanyhtml">trunk/LayoutTests/fast/css/crash-on-incomplete-webkit-any.html</a></li>
<li><a href="#trunkLayoutTestsfastcsspseudoescapedparenthesisexpectedtxt">trunk/LayoutTests/fast/css/pseudo-escaped-parenthesis-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastcsspseudoescapedparenthesishtml">trunk/LayoutTests/fast/css/pseudo-escaped-parenthesis.html</a></li>
<li><a href="#trunkLayoutTestsfastselectorsinvalidfunctionalpseudoclassexpectedtxt">trunk/LayoutTests/fast/selectors/invalid-functional-pseudo-class-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastselectorsinvalidfunctionalpseudoclasshtml">trunk/LayoutTests/fast/selectors/invalid-functional-pseudo-class.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (175431 => 175432)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2014-10-31 23:09:14 UTC (rev 175431)
+++ trunk/LayoutTests/ChangeLog        2014-10-31 23:10:04 UTC (rev 175432)
</span><span class="lines">@@ -1,3 +1,23 @@
</span><ins>+2014-10-31 Benjamin Poulain <bpoulain@apple.com>
+
+ Pseudo classes with an escaped parenthesis generate invalid rules
+ https://bugs.webkit.org/show_bug.cgi?id=138266
+
+ Reviewed by Antti Koivisto.
+
+ * fast/selectors/invalid-functional-pseudo-class-expected.txt: Added.
+ * fast/selectors/invalid-functional-pseudo-class.html: Added.
+ New test for all the functional pseudo classes.
+
+ * fast/css/crash-on-incomplete-webkit-any-expected.txt: Added.
+ * fast/css/crash-on-incomplete-webkit-any.html: Added.
+ * fast/css/pseudo-escaped-parenthesis-expected.txt: Added.
+ * fast/css/pseudo-escaped-parenthesis.html: Added.
+ Those tests come from blink. Rune solved the same problem a year ago on blink
+ in https://chromiumcodereview.appspot.com/23710067
+ The patch is quite different because blink uses an ancient code base, but the tests
+ can still be useful so I included them here.
+
</ins><span class="cx"> 2014-10-31 Said Abou-Hallawa <sabouhallawa@apple.com>
</span><span class="cx">
</span><span class="cx"> Remove webkit prefix from CSS columns.
</span></span></pre></div>
<a id="trunkLayoutTestsfastcsscrashonincompletewebkitanyexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/css/crash-on-incomplete-webkit-any-expected.txt (0 => 175432)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/css/crash-on-incomplete-webkit-any-expected.txt         (rev 0)
+++ trunk/LayoutTests/fast/css/crash-on-incomplete-webkit-any-expected.txt        2014-10-31 23:10:04 UTC (rev 175432)
</span><span class="lines">@@ -0,0 +1 @@
</span><ins>+PASS if not crashed.
</ins></span></pre></div>
<a id="trunkLayoutTestsfastcsscrashonincompletewebkitanyhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/css/crash-on-incomplete-webkit-any.html (0 => 175432)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/css/crash-on-incomplete-webkit-any.html         (rev 0)
+++ trunk/LayoutTests/fast/css/crash-on-incomplete-webkit-any.html        2014-10-31 23:10:04 UTC (rev 175432)
</span><span class="lines">@@ -0,0 +1,14 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<head>
+ <title>:-webkit-any\( should not crash</title>
+ <script>
+ if (window.testRunner)
+ testRunner.dumpAsText();
+ </script>
+ <style>:-webkit-any\( {}</style>
+</head>
+<body>
+ <p>PASS if not crashed.</p>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestsfastcsspseudoescapedparenthesisexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/css/pseudo-escaped-parenthesis-expected.txt (0 => 175432)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/css/pseudo-escaped-parenthesis-expected.txt         (rev 0)
+++ trunk/LayoutTests/fast/css/pseudo-escaped-parenthesis-expected.txt        2014-10-31 23:10:04 UTC (rev 175432)
</span><span class="lines">@@ -0,0 +1,13 @@
</span><ins>+
+PASS All stylesheets present
+PASS Drop ":-webkit-any\( {}"
+PASS Drop ":nth-child\( {}"
+PASS Drop ":nth-of-type\( {}"
+PASS Drop ":nth-last-child\( {}"
+PASS Drop ":nth-last-of-type\( {}"
+PASS Drop ":lang\( {}"
+PASS Drop ":not\( {}"
+PASS Drop ":cue\( {}"
+PASS Drop ":part\( {}"
+PASS Drop ":host\( {}"
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfastcsspseudoescapedparenthesishtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/css/pseudo-escaped-parenthesis.html (0 => 175432)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/css/pseudo-escaped-parenthesis.html         (rev 0)
+++ trunk/LayoutTests/fast/css/pseudo-escaped-parenthesis.html        2014-10-31 23:10:04 UTC (rev 175432)
</span><span class="lines">@@ -0,0 +1,34 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<head>
+ <title>Pseudo classes with escaped start parenthesis</title>
+ <script src="../../resources/testharness.js"></script>
+ <script src="../../resources/testharnessreport.js"></script>
+ <style>:-webkit-any\( {}</style>
+ <style>:nth-child\( {}</style>
+ <style>:nth-of-type\( {}</style>
+ <style>:nth-last-child\( {}</style>
+ <style>:nth-last-of-type\( {}</style>
+ <style>:lang\( {}</style>
+ <style>:not\( {}</style>
+ <style>:cue\( {}</style>
+ <style>:part\( {}</style>
+ <style>:host\( {}</style>
+</head>
+<body>
+ <p id="log"></p>
+ <script>
+ var sheets = document.styleSheets;
+
+ test(function(){
+ assert_equals(sheets.length, 10, "StyleSheets.length");
+ }, "All stylesheets present")
+
+ for (var i=0; i<sheets.length; i++) {
+ test(function(){
+ assert_equals(sheets[i].cssRules.length, 0, "cssRules.length");
+ }, "Drop \"" + sheets[i].ownerNode.firstChild.data + "\"");
+ }
+ </script>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestsfastselectorsinvalidfunctionalpseudoclassexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/selectors/invalid-functional-pseudo-class-expected.txt (0 => 175432)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/selectors/invalid-functional-pseudo-class-expected.txt         (rev 0)
+++ trunk/LayoutTests/fast/selectors/invalid-functional-pseudo-class-expected.txt        2014-10-31 23:10:04 UTC (rev 175432)
</span><span class="lines">@@ -0,0 +1,441 @@
</span><ins>+Verify the never generates a valid selector for an invalid functional pseudo class.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS document.querySelectorAll(":-webkit-any\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":-webkit-any\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":-webkit-any\\\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":-webkit-any\\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.querySelectorAll(":lang\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":lang\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":lang\\\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":lang\\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.querySelectorAll(":not\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":not\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":not\\\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":not\\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.querySelectorAll(":nth-child\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":nth-child\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":nth-child\\\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-child\\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.querySelectorAll(":nth-last-child\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":nth-last-child\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":nth-last-child\\\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-child\\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.querySelectorAll(":nth-last-of-type\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":nth-last-of-type\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":nth-last-of-type\\\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-last-of-type\\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.querySelectorAll(":nth-of-type\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":nth-of-type\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":nth-of-type\\\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":nth-of-type\\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.querySelectorAll(":matches\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":matches\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\").length threw exception SyntaxError: Unexpected EOF.
+PASS document.querySelectorAll(":matches\\\\").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\\(").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\\ .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\\( .foo").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\\()").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\\ .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.querySelectorAll(":matches\\\\( .foo)").length threw exception Error: SyntaxError: DOM Exception 12.
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS document.styleSheets[1].cssRules.length is 0
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfastselectorsinvalidfunctionalpseudoclasshtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/selectors/invalid-functional-pseudo-class.html (0 => 175432)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/selectors/invalid-functional-pseudo-class.html         (rev 0)
+++ trunk/LayoutTests/fast/selectors/invalid-functional-pseudo-class.html        2014-10-31 23:10:04 UTC (rev 175432)
</span><span class="lines">@@ -0,0 +1,77 @@
</span><ins>+<!doctype html>
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+<style id="style-target"></style>
+</head>
+<body>
+<script>
+description('Verify the never generates a valid selector for an invalid functional pseudo class.');
+
+function invalidRules(functonalPseudoClassName) {
+ return [':' + functonalPseudoClassName + '\\',
+ ':' + functonalPseudoClassName + '\\\\',
+ ':' + functonalPseudoClassName + '\\\\\\',
+ ':' + functonalPseudoClassName + '\\\\\\\\',
+ ':' + functonalPseudoClassName + '\\(',
+ ':' + functonalPseudoClassName + '\\\\(',
+ ':' + functonalPseudoClassName + '\\\\\\(',
+ ':' + functonalPseudoClassName + '\\\\\\\\(',
+ ':' + functonalPseudoClassName + '\\ .foo',
+ ':' + functonalPseudoClassName + '\\\\ .foo',
+ ':' + functonalPseudoClassName + '\\\\\\ .foo',
+ ':' + functonalPseudoClassName + '\\\\\\\\ .foo',
+ ':' + functonalPseudoClassName + '\\( .foo',
+ ':' + functonalPseudoClassName + '\\\\( .foo',
+ ':' + functonalPseudoClassName + '\\\\\\( .foo',
+ ':' + functonalPseudoClassName + '\\\\\\\\( .foo',
+ ':' + functonalPseudoClassName + '\\()',
+ ':' + functonalPseudoClassName + '\\\\()',
+ ':' + functonalPseudoClassName + '\\\\\\()',
+ ':' + functonalPseudoClassName + '\\\\\\\\()',
+ ':' + functonalPseudoClassName + '\\ .foo)',
+ ':' + functonalPseudoClassName + '\\\\ .foo)',
+ ':' + functonalPseudoClassName + '\\\\\\ .foo)',
+ ':' + functonalPseudoClassName + '\\\\\\\\ .foo)',
+ ':' + functonalPseudoClassName + '\\\\( .foo)',
+ ':' + functonalPseudoClassName + '\\\\\\( .foo)',
+ ':' + functonalPseudoClassName + '\\\\\\\\( .foo)'];
+}
+
+function testQuerySelector(functonalPseudoClassName) {
+ for (var testCase of invalidRules(functonalPseudoClassName))
+ shouldThrow('document.querySelectorAll("' + testCase + '").length');
+}
+
+function testStyling(functonalPseudoClassName) {
+ var styleElement = document.getElementById("style-target");
+
+ for (var testCase of invalidRules(functonalPseudoClassName)) {
+ styleElement.textContent = testCase + " { background-color: red; }";
+ shouldBe("document.styleSheets[1].cssRules.length", "0");
+ }
+ styleElement.textContent = "";
+}
+
+function test(functonalPseudoClassName) {
+ testQuerySelector(functonalPseudoClassName);
+ testStyling(functonalPseudoClassName);
+}
+
+var functionalPseudoClasses = [
+ "-webkit-any",
+ "lang",
+ "not",
+ "nth-child",
+ "nth-last-child",
+ "nth-last-of-type",
+ "nth-of-type",
+ "matches",
+];
+
+for (var functionalPseudoClass of functionalPseudoClasses)
+ test(functionalPseudoClass);
+</script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (175431 => 175432)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-10-31 23:09:14 UTC (rev 175431)
+++ trunk/Source/WebCore/ChangeLog        2014-10-31 23:10:04 UTC (rev 175432)
</span><span class="lines">@@ -1,3 +1,33 @@
</span><ins>+2014-10-31 Benjamin Poulain <bpoulain@apple.com>
+
+ Pseudo classes with an escaped parenthesis generate invalid rules
+ https://bugs.webkit.org/show_bug.cgi?id=138266
+
+ Reviewed by Antti Koivisto.
+
+ Since the functional pseudo classes are part of the list of PseudoClassAndCompatibilityElement,
+ they could be created by the rule
+ pseudo:
+ ':' IDENT
+ if the parenthesis is escaped. For example, with ":not\\(", the IDENT would be
+ "not(", CSSParserSelector::parsePseudoClassAndCompatibilityElementSelector would
+ find a pseudo class type of PseudoClassNot, and the action would create an invalid
+ CSSSelector for a :not() without nested selector.
+
+ This patch fixes the issue by detecting the function case in
+ CSSParserSelector::parsePseudoClassAndCompatibilityElementSelector().
+
+ An other solution would be to split PseudoClassAndCompatibilityElement into simple pseudo class
+ and functional pseudo classes. We may do that some day but at the moment it is a lot of work with
+ a little benefit.
+
+ Tests: fast/css/crash-on-incomplete-webkit-any.html
+ fast/css/pseudo-escaped-parenthesis.html
+ fast/selectors/invalid-functional-pseudo-class.html
+
+ * css/CSSParserValues.cpp:
+ (WebCore::CSSParserSelector::parsePseudoClassAndCompatibilityElementSelector):
+
</ins><span class="cx"> 2014-10-31 Chris Dumez <cdumez@apple.com>
</span><span class="cx">
</span><span class="cx"> Make CSSDefaultStyleSheets::ensureDefaultStyleSheetsForElement() faster
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSParserValuescpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSParserValues.cpp (175431 => 175432)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSParserValues.cpp        2014-10-31 23:09:14 UTC (rev 175431)
+++ trunk/Source/WebCore/css/CSSParserValues.cpp        2014-10-31 23:10:04 UTC (rev 175432)
</span><span class="lines">@@ -208,6 +208,9 @@
</span><span class="cx">
</span><span class="cx"> CSSParserSelector* CSSParserSelector::parsePseudoClassAndCompatibilityElementSelector(CSSParserString& pseudoTypeString)
</span><span class="cx"> {
</span><ins>+ if (pseudoTypeString.length() && pseudoTypeString[pseudoTypeString.length() - 1] == '(')
+ return nullptr;
+
</ins><span class="cx"> PseudoClassOrCompatibilityPseudoElement pseudoType = parsePseudoClassAndCompatibilityElementString(pseudoTypeString);
</span><span class="cx"> if (pseudoType.pseudoClass != CSSSelector::PseudoClassUnknown) {
</span><span class="cx"> auto selector = std::make_unique<CSSParserSelector>();
</span></span></pre>
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</html>