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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/203760">203760</a></dd>
<dt>Author</dt> <dd>cdumez@apple.com</dd>
<dt>Date</dt> <dd>2016-07-26 21:12:11 -0700 (Tue, 26 Jul 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Second parameter to History.pushState() / replaceState() should be mandatory
https://bugs.webkit.org/show_bug.cgi?id=160230

Reviewed by Sam Weinig.

LayoutTests/imported/w3c:

Rebaseline W3C test now that more checks are passing.

* web-platform-tests/html/dom/interfaces-expected.txt:

Source/WebCore:

Second parameter to History.pushState() / replaceState() should be mandatory:
- https://html.spec.whatwg.org/multipage/browsers.html#history-3

Firefox and Chrome agree with the specification.

No new tests, rebaselined existing test.

* bindings/js/JSHistoryCustom.cpp:
(WebCore::JSHistory::pushState):
(WebCore::JSHistory::replaceState):
* page/History.idl:

LayoutTests:

* fast/history/state-api-parameters.html: Added.
* fast/history/state-api-parameters-expected.txt: Added.
Add layout test coverage.

* fast/history/replacestate-nocrash.html:
* fast/loader/stateobjects/popstate-fires-with-page-cache.html:
Update existing tests to reflect behavior change.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsfasthistoryreplacestatenocrashhtml">trunk/LayoutTests/fast/history/replacestate-nocrash.html</a></li>
<li><a href="#trunkLayoutTestsfastloaderstateobjectspopstatefireswithpagecachehtml">trunk/LayoutTests/fast/loader/stateobjects/popstate-fires-with-page-cache.html</a></li>
<li><a href="#trunkLayoutTestsimportedw3cChangeLog">trunk/LayoutTests/imported/w3c/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsimportedw3cwebplatformtestshtmldominterfacesexpectedtxt">trunk/LayoutTests/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorebindingsjsJSHistoryCustomcpp">trunk/Source/WebCore/bindings/js/JSHistoryCustom.cpp</a></li>
<li><a href="#trunkSourceWebCorepageHistoryidl">trunk/Source/WebCore/page/History.idl</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfasthistorystateapiparametersexpectedtxt">trunk/LayoutTests/fast/history/state-api-parameters-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfasthistorystateapiparametershtml">trunk/LayoutTests/fast/history/state-api-parameters.html</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (203759 => 203760)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2016-07-27 03:42:30 UTC (rev 203759)
+++ trunk/LayoutTests/ChangeLog        2016-07-27 04:12:11 UTC (rev 203760)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2016-07-26  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        Second parameter to History.pushState() / replaceState() should be mandatory
+        https://bugs.webkit.org/show_bug.cgi?id=160230
+
+        Reviewed by Sam Weinig.
+
+        * fast/history/state-api-parameters.html: Added.
+        * fast/history/state-api-parameters-expected.txt: Added.
+        Add layout test coverage.
+
+        * fast/history/replacestate-nocrash.html:
+        * fast/loader/stateobjects/popstate-fires-with-page-cache.html:
+        Update existing tests to reflect behavior change.
+
</ins><span class="cx"> 2016-07-26  Ryan Haddad  &lt;ryanhaddad@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Marking inspector/memory/tracking.html as flaky on mac-wk1 debug
</span></span></pre></div>
<a id="trunkLayoutTestsfasthistoryreplacestatenocrashhtml"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/fast/history/replacestate-nocrash.html (203759 => 203760)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/history/replacestate-nocrash.html        2016-07-27 03:42:30 UTC (rev 203759)
+++ trunk/LayoutTests/fast/history/replacestate-nocrash.html        2016-07-27 04:12:11 UTC (rev 203760)
</span><span class="lines">@@ -5,8 +5,8 @@
</span><span class="cx"> if (window.testRunner)
</span><span class="cx">     testRunner.dumpAsText();
</span><span class="cx"> 
</span><del>-Object.prototype.__defineSetter__(&quot;foo&quot;,function(){history.replaceState(&quot;&quot;)});
-history.replaceState({foo:1,zzz:&quot;a&quot;.repeat(1&lt;&lt;22)});
</del><ins>+Object.prototype.__defineSetter__(&quot;foo&quot;,function(){history.replaceState(&quot;&quot;, &quot;&quot;)});
+history.replaceState({foo:1,zzz:&quot;a&quot;.repeat(1&lt;&lt;22)}, &quot;&quot;);
</ins><span class="cx"> history.state.length;
</span><span class="cx"> &lt;/script&gt;
</span><span class="cx"> &lt;/html&gt;
</span></span></pre></div>
<a id="trunkLayoutTestsfasthistorystateapiparametersexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/history/state-api-parameters-expected.txt (0 => 203760)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/history/state-api-parameters-expected.txt                                (rev 0)
+++ trunk/LayoutTests/fast/history/state-api-parameters-expected.txt        2016-07-27 04:12:11 UTC (rev 203760)
</span><span class="lines">@@ -0,0 +1,13 @@
</span><ins>+Tests that the second parameter to history.replaceState() / pushState() is mandatory.
+
+On success, you will see a series of &quot;PASS&quot; messages, followed by &quot;TEST COMPLETE&quot;.
+
+
+PASS history.replaceState() threw exception TypeError: Not enough arguments.
+PASS history.replaceState({}) threw exception TypeError: Not enough arguments.
+PASS history.pushState() threw exception TypeError: Not enough arguments.
+PASS history.pushState({}) threw exception TypeError: Not enough arguments.
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfasthistorystateapiparametershtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/history/state-api-parameters.html (0 => 203760)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/history/state-api-parameters.html                                (rev 0)
+++ trunk/LayoutTests/fast/history/state-api-parameters.html        2016-07-27 04:12:11 UTC (rev 203760)
</span><span class="lines">@@ -0,0 +1,16 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;body&gt;
+&lt;script src=&quot;../../resources/js-test-pre.js&quot;&gt;&lt;/script&gt;
+&lt;script&gt;
+description(&quot;Tests that the second parameter to history.replaceState() / pushState() is mandatory.&quot;);
+
+shouldThrow(&quot;history.replaceState()&quot;, &quot;'TypeError: Not enough arguments'&quot;);
+shouldThrow(&quot;history.replaceState({})&quot;, &quot;'TypeError: Not enough arguments'&quot;);
+shouldThrow(&quot;history.pushState()&quot;, &quot;'TypeError: Not enough arguments'&quot;);
+shouldThrow(&quot;history.pushState({})&quot;, &quot;'TypeError: Not enough arguments'&quot;);
+
+&lt;/script&gt;
+&lt;script src=&quot;../../resources/js-test-post.js&quot;&gt;&lt;/script&gt;
+&lt;/body&gt;
+&lt;/html&gt;
</ins></span></pre></div>
<a id="trunkLayoutTestsfastloaderstateobjectspopstatefireswithpagecachehtml"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/fast/loader/stateobjects/popstate-fires-with-page-cache.html (203759 => 203760)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/loader/stateobjects/popstate-fires-with-page-cache.html        2016-07-27 03:42:30 UTC (rev 203759)
+++ trunk/LayoutTests/fast/loader/stateobjects/popstate-fires-with-page-cache.html        2016-07-27 04:12:11 UTC (rev 203760)
</span><span class="lines">@@ -31,7 +31,7 @@
</span><span class="cx">     switch (testWindowLoadFireCount) {
</span><span class="cx">     case 1:
</span><span class="cx">         debug('pushState with new state object for page 1');
</span><del>-        testWindow.history.pushState('newState');
</del><ins>+        testWindow.history.pushState('newState', '');
</ins><span class="cx">         debug('going to page 2');
</span><span class="cx">         // Set the location in a timeout to generate a history entry
</span><span class="cx">         setTimeout(function() {testWindow.location.href = 'resources/popstate-fires-with-page-cache-2.html';}, 0);            
</span><span class="lines">@@ -72,4 +72,4 @@
</span><span class="cx"> var jsTestIsAsync = true;
</span><span class="cx"> &lt;/script&gt;
</span><span class="cx"> &lt;script src=&quot;../../../resources/js-test-post.js&quot;&gt;&lt;/script&gt;
</span><del>-&lt;/html&gt;
</del><span class="cx">\ No newline at end of file
</span><ins>+&lt;/html&gt;
</ins></span></pre></div>
<a id="trunkLayoutTestsimportedw3cChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/imported/w3c/ChangeLog (203759 => 203760)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/imported/w3c/ChangeLog        2016-07-27 03:42:30 UTC (rev 203759)
+++ trunk/LayoutTests/imported/w3c/ChangeLog        2016-07-27 04:12:11 UTC (rev 203760)
</span><span class="lines">@@ -1,5 +1,16 @@
</span><span class="cx"> 2016-07-26  Chris Dumez  &lt;cdumez@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Second parameter to History.pushState() / replaceState() should be mandatory
+        https://bugs.webkit.org/show_bug.cgi?id=160230
+
+        Reviewed by Sam Weinig.
+
+        Rebaseline W3C test now that more checks are passing.
+
+        * web-platform-tests/html/dom/interfaces-expected.txt:
+
+2016-07-26  Chris Dumez  &lt;cdumez@apple.com&gt;
+
</ins><span class="cx">         Align Node.isEqualNode() with the specification
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=160224
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkLayoutTestsimportedw3cwebplatformtestshtmldominterfacesexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt (203759 => 203760)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt        2016-07-27 03:42:30 UTC (rev 203759)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt        2016-07-27 04:12:11 UTC (rev 203760)
</span><span class="lines">@@ -5550,13 +5550,9 @@
</span><span class="cx"> PASS History interface: window.history must inherit property &quot;back&quot; with the proper type (4) 
</span><span class="cx"> PASS History interface: window.history must inherit property &quot;forward&quot; with the proper type (5) 
</span><span class="cx"> PASS History interface: window.history must inherit property &quot;pushState&quot; with the proper type (6) 
</span><del>-FAIL History interface: calling pushState(any,DOMString,DOMString) on window.history with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; did not throw
</del><ins>+PASS History interface: calling pushState(any,DOMString,DOMString) on window.history with too few arguments must throw TypeError 
</ins><span class="cx"> PASS History interface: window.history must inherit property &quot;replaceState&quot; with the proper type (7) 
</span><del>-FAIL History interface: calling replaceState(any,DOMString,DOMString) on window.history with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; did not throw
</del><ins>+PASS History interface: calling replaceState(any,DOMString,DOMString) on window.history with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Location interface: existence and properties of interface object 
</span><span class="cx"> PASS Location interface object length 
</span><span class="cx"> PASS Location interface object name 
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (203759 => 203760)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-07-27 03:42:30 UTC (rev 203759)
+++ trunk/Source/WebCore/ChangeLog        2016-07-27 04:12:11 UTC (rev 203760)
</span><span class="lines">@@ -1,5 +1,24 @@
</span><span class="cx"> 2016-07-26  Chris Dumez  &lt;cdumez@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Second parameter to History.pushState() / replaceState() should be mandatory
+        https://bugs.webkit.org/show_bug.cgi?id=160230
+
+        Reviewed by Sam Weinig.
+
+        Second parameter to History.pushState() / replaceState() should be mandatory:
+        - https://html.spec.whatwg.org/multipage/browsers.html#history-3
+
+        Firefox and Chrome agree with the specification.
+
+        No new tests, rebaselined existing test.
+
+        * bindings/js/JSHistoryCustom.cpp:
+        (WebCore::JSHistory::pushState):
+        (WebCore::JSHistory::replaceState):
+        * page/History.idl:
+
+2016-07-26  Chris Dumez  &lt;cdumez@apple.com&gt;
+
</ins><span class="cx">         Align Node.isEqualNode() with the specification
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=160224
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorebindingsjsJSHistoryCustomcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/bindings/js/JSHistoryCustom.cpp (203759 => 203760)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/bindings/js/JSHistoryCustom.cpp        2016-07-27 03:42:30 UTC (rev 203759)
+++ trunk/Source/WebCore/bindings/js/JSHistoryCustom.cpp        2016-07-27 04:12:11 UTC (rev 203760)
</span><span class="lines">@@ -55,17 +55,22 @@
</span><span class="cx"> 
</span><span class="cx"> JSValue JSHistory::pushState(ExecState&amp; state)
</span><span class="cx"> {
</span><del>-    auto historyState = SerializedScriptValue::create(&amp;state, state.argument(0), 0, 0);
</del><ins>+    auto argCount = state.argumentCount();
+    if (UNLIKELY(argCount &lt; 2))
+        return state.vm().throwException(&amp;state, createNotEnoughArgumentsError(&amp;state));
+
+    auto historyState = SerializedScriptValue::create(&amp;state, state.uncheckedArgument(0), 0, 0);
</ins><span class="cx">     if (state.hadException())
</span><span class="cx">         return jsUndefined();
</span><span class="cx"> 
</span><del>-    String title = valueToStringWithUndefinedOrNullCheck(&amp;state, state.argument(1));
</del><ins>+    // FIXME: title should not be nullable.
+    String title = valueToStringWithUndefinedOrNullCheck(&amp;state, state.uncheckedArgument(1));
</ins><span class="cx">     if (state.hadException())
</span><span class="cx">         return jsUndefined();
</span><span class="cx"> 
</span><span class="cx">     String url;
</span><del>-    if (state.argumentCount() &gt; 2) {
-        url = valueToStringWithUndefinedOrNullCheck(&amp;state, state.argument(2));
</del><ins>+    if (argCount &gt; 2) {
+        url = valueToStringWithUndefinedOrNullCheck(&amp;state, state.uncheckedArgument(2));
</ins><span class="cx">         if (state.hadException())
</span><span class="cx">             return jsUndefined();
</span><span class="cx">     }
</span><span class="lines">@@ -81,17 +86,22 @@
</span><span class="cx"> 
</span><span class="cx"> JSValue JSHistory::replaceState(ExecState&amp; state)
</span><span class="cx"> {
</span><del>-    auto historyState = SerializedScriptValue::create(&amp;state, state.argument(0), 0, 0);
</del><ins>+    auto argCount = state.argumentCount();
+    if (UNLIKELY(argCount &lt; 2))
+        return state.vm().throwException(&amp;state, createNotEnoughArgumentsError(&amp;state));
+
+    auto historyState = SerializedScriptValue::create(&amp;state, state.uncheckedArgument(0), 0, 0);
</ins><span class="cx">     if (state.hadException())
</span><span class="cx">         return jsUndefined();
</span><span class="cx"> 
</span><del>-    String title = valueToStringWithUndefinedOrNullCheck(&amp;state, state.argument(1));
</del><ins>+    // FIXME: title should not be nullable.
+    String title = valueToStringWithUndefinedOrNullCheck(&amp;state, state.uncheckedArgument(1));
</ins><span class="cx">     if (state.hadException())
</span><span class="cx">         return jsUndefined();
</span><span class="cx"> 
</span><span class="cx">     String url;
</span><del>-    if (state.argumentCount() &gt; 2) {
-        url = valueToStringWithUndefinedOrNullCheck(&amp;state, state.argument(2));
</del><ins>+    if (argCount &gt; 2) {
+        url = valueToStringWithUndefinedOrNullCheck(&amp;state, state.uncheckedArgument(2));
</ins><span class="cx">         if (state.hadException())
</span><span class="cx">             return jsUndefined();
</span><span class="cx">     }
</span></span></pre></div>
<a id="trunkSourceWebCorepageHistoryidl"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/History.idl (203759 => 203760)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/History.idl        2016-07-27 03:42:30 UTC (rev 203759)
+++ trunk/Source/WebCore/page/History.idl        2016-07-27 04:12:11 UTC (rev 203760)
</span><span class="lines">@@ -33,6 +33,6 @@
</span><span class="cx">     [CallWith=Document, ForwardDeclareInHeader] void forward();
</span><span class="cx">     [CallWith=Document, ForwardDeclareInHeader] void go(optional long distance = 0);
</span><span class="cx"> 
</span><del>-    [Custom, RaisesException] void pushState(any data, DOMString title, optional DOMString url);
-    [Custom, RaisesException] void replaceState(any data, DOMString title, optional DOMString url);
</del><ins>+    [Custom, RaisesException] void pushState(any data, DOMString title, optional DOMString? url = null);
+    [Custom, RaisesException] void replaceState(any data, DOMString title, optional DOMString? url = null);
</ins><span class="cx"> };
</span></span></pre>
</div>
</div>

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