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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/196665">196665</a></dd>
<dt>Author</dt> <dd>simon.fraser@apple.com</dd>
<dt>Date</dt> <dd>2016-02-16 15:24:11 -0800 (Tue, 16 Feb 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Add tests for iframe and overflow scrollability after navigating back
https://bugs.webkit.org/show_bug.cgi?id=154300
Reviewed by Brent Fulgham.
Test that sends mousewheel events to overflow and iframe, before and after navigating
forward then back.
These tests detect the regression caused by <a href="http://trac.webkit.org/projects/webkit/changeset/188659">r188659</a>.
* fast/scrolling/iframe-scrollable-after-back-expected.txt: Added.
* fast/scrolling/iframe-scrollable-after-back.html: Added.
* fast/scrolling/overflow-scrollable-after-back-expected.txt: Added.
* fast/scrolling/overflow-scrollable-after-back.html: Added.
* fast/scrolling/resources/scroll-notifying-page.html: Added.
* platform/ios-simulator/TestExpectations: Skip on iOS.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsplatformiossimulatorTestExpectations">trunk/LayoutTests/platform/ios-simulator/TestExpectations</a></li>
<li><a href="#trunkLayoutTestsplatformmacwk1TestExpectations">trunk/LayoutTests/platform/mac-wk1/TestExpectations</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfastscrollingiframescrollableafterbackexpectedtxt">trunk/LayoutTests/fast/scrolling/iframe-scrollable-after-back-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastscrollingiframescrollableafterbackhtml">trunk/LayoutTests/fast/scrolling/iframe-scrollable-after-back.html</a></li>
<li><a href="#trunkLayoutTestsfastscrollingoverflowscrollableafterbackexpectedtxt">trunk/LayoutTests/fast/scrolling/overflow-scrollable-after-back-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastscrollingoverflowscrollableafterbackhtml">trunk/LayoutTests/fast/scrolling/overflow-scrollable-after-back.html</a></li>
<li><a href="#trunkLayoutTestsfastscrollingresourcesscrollnotifyingpagehtml">trunk/LayoutTests/fast/scrolling/resources/scroll-notifying-page.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (196664 => 196665)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog 2016-02-16 23:22:19 UTC (rev 196664)
+++ trunk/LayoutTests/ChangeLog 2016-02-16 23:24:11 UTC (rev 196665)
</span><span class="lines">@@ -1,3 +1,22 @@
</span><ins>+2016-02-16 Simon Fraser <simon.fraser@apple.com>
+
+ Add tests for iframe and overflow scrollability after navigating back
+ https://bugs.webkit.org/show_bug.cgi?id=154300
+
+ Reviewed by Brent Fulgham.
+
+ Test that sends mousewheel events to overflow and iframe, before and after navigating
+ forward then back.
+
+ These tests detect the regression caused by r188659.
+
+ * fast/scrolling/iframe-scrollable-after-back-expected.txt: Added.
+ * fast/scrolling/iframe-scrollable-after-back.html: Added.
+ * fast/scrolling/overflow-scrollable-after-back-expected.txt: Added.
+ * fast/scrolling/overflow-scrollable-after-back.html: Added.
+ * fast/scrolling/resources/scroll-notifying-page.html: Added.
+ * platform/ios-simulator/TestExpectations: Skip on iOS.
+
</ins><span class="cx"> 2016-02-16 Daniel Bates <dabates@apple.com>
</span><span class="cx">
</span><span class="cx"> CSP: Update violation report 'Content-Type' header
</span></span></pre></div>
<a id="trunkLayoutTestsfastscrollingiframescrollableafterbackexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/scrolling/iframe-scrollable-after-back-expected.txt (0 => 196665)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/scrolling/iframe-scrollable-after-back-expected.txt (rev 0)
+++ trunk/LayoutTests/fast/scrolling/iframe-scrollable-after-back-expected.txt 2016-02-16 23:24:11 UTC (rev 196665)
</span><span class="lines">@@ -0,0 +1,9 @@
</span><ins>+
+Sending wheel event; scrollTop is 0
+Scrolled; scrollTop is 20
+
+Navigating forward then back
+
+Sending wheel event; scrollTop is 20
+Scrolled; scrollTop is 40
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfastscrollingiframescrollableafterbackhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/scrolling/iframe-scrollable-after-back.html (0 => 196665)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/scrolling/iframe-scrollable-after-back.html (rev 0)
+++ trunk/LayoutTests/fast/scrolling/iframe-scrollable-after-back.html 2016-02-16 23:24:11 UTC (rev 196665)
</span><span class="lines">@@ -0,0 +1,92 @@
</span><ins>+<!DOCTYPE html>
+
+<html>
+<head>
+ <style>
+ #overflowing {
+ width: 200px;
+ height: 200px;
+ margin: 10px;
+ border: 1px solid black;
+ overflow: scroll;
+ }
+
+ .content {
+ height: 400px;
+ background-image: linear-gradient(white, gray)
+ }
+ </style>
+ <script>
+ if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.waitUntilDone();
+ testRunner.overridePreference("WebKitUsesPageCachePreferenceKey", 1);
+ }
+
+ function logResult(s)
+ {
+ document.getElementById('result').textContent += s + "\n";
+ }
+
+ var postScrollCallback;
+
+ function iframeScrolled()
+ {
+ logResult('Scrolled; scrollTop is ' + document.getElementById('iframe').contentDocument.scrollingElement.scrollTop);
+ if (postScrollCallback)
+ postScrollCallback();
+ }
+
+ function testScrollability(completionHandler)
+ {
+ var iframeTarget = document.getElementById('iframe');
+ var iframeBounds = iframeTarget.getBoundingClientRect();
+
+ logResult('Sending wheel event; scrollTop is ' + iframeTarget.contentDocument.scrollingElement.scrollTop);
+
+ eventSender.mouseMoveTo(iframeBounds.left + 10, iframeBounds.top + 10);
+ eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'began', 'none');
+ eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'changed', 'none');
+ eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'changed', 'none');
+ eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'ended', 'none');
+
+ postScrollCallback = completionHandler;
+ }
+
+ function startTest()
+ {
+ if (!window.eventSender) {
+ logResult('This test must be run in DumpRenderTree/WebKitTestRunner');
+ return;
+ }
+
+ testScrollability(function() {
+ window.setTimeout(function() {
+ logResult('\nNavigating forward then back\n');
+ window.location.href = "data:text/html,<body onload='history.back()'></body>";
+ }, 0);
+ });
+
+ }
+
+ var showCount = 0;
+ function pageShowed()
+ {
+ if (++showCount == 2) {
+ testScrollability(function() {
+ testRunner.notifyDone();
+ });
+ }
+ }
+
+ window.addEventListener('load', startTest, false);
+ window.addEventListener('pageshow', pageShowed, false);
+ </script>
+</head>
+<body>
+
+<iframe id="iframe" src="resources/scroll-notifying-page.html"></iframe>
+
+<pre id="result"></pre>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestsfastscrollingoverflowscrollableafterbackexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/scrolling/overflow-scrollable-after-back-expected.txt (0 => 196665)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/scrolling/overflow-scrollable-after-back-expected.txt (rev 0)
+++ trunk/LayoutTests/fast/scrolling/overflow-scrollable-after-back-expected.txt 2016-02-16 23:24:11 UTC (rev 196665)
</span><span class="lines">@@ -0,0 +1,8 @@
</span><ins>+Sending wheel event; scrollTop is 0
+Scrolled; scrollTop is 20
+
+Navigating forward then back
+
+Sending wheel event; scrollTop is 20
+Scrolled; scrollTop is 40
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfastscrollingoverflowscrollableafterbackhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/scrolling/overflow-scrollable-after-back.html (0 => 196665)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/scrolling/overflow-scrollable-after-back.html (rev 0)
+++ trunk/LayoutTests/fast/scrolling/overflow-scrollable-after-back.html 2016-02-16 23:24:11 UTC (rev 196665)
</span><span class="lines">@@ -0,0 +1,95 @@
</span><ins>+<!DOCTYPE html>
+
+<html>
+<head>
+ <style>
+ #overflowing {
+ width: 200px;
+ height: 200px;
+ margin: 10px;
+ border: 1px solid black;
+ overflow: scroll;
+ }
+
+ .content {
+ height: 400px;
+ background-image: linear-gradient(white, gray)
+ }
+ </style>
+ <script>
+ if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.waitUntilDone();
+ testRunner.overridePreference("WebKitUsesPageCachePreferenceKey", 1);
+ }
+
+ function logResult(s)
+ {
+ document.getElementById('result').textContent += s + "\n";
+ }
+
+ var postScrollCallback;
+
+ function divScrolled()
+ {
+ logResult('Scrolled; scrollTop is ' + document.getElementById('overflowing').scrollTop);
+ if (postScrollCallback)
+ postScrollCallback();
+ }
+
+ function testScrollability(completionHandler)
+ {
+ var divTarget = document.getElementById('overflowing');
+ var divBounds = divTarget.getBoundingClientRect();
+
+ logResult('Sending wheel event; scrollTop is ' + divTarget.scrollTop);
+
+ eventSender.mouseMoveTo(divBounds.left + 10, divBounds.top + 10);
+ eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'began', 'none');
+ eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'changed', 'none');
+ eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'changed', 'none');
+ eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'ended', 'none');
+
+ postScrollCallback = completionHandler;
+ }
+
+ function startTest()
+ {
+ if (!window.eventSender) {
+ logResult('This test must be run in DumpRenderTree/WebKitTestRunner');
+ return;
+ }
+
+ testScrollability(function() {
+ window.setTimeout(function() {
+ logResult('\nNavigating forward then back\n');
+ window.location.href = "data:text/html,<body onload='history.back()'></body>";
+ }, 0);
+ });
+
+ }
+
+ var showCount = 0;
+ function pageShowed()
+ {
+ if (++showCount == 2) {
+ testScrollability(function() {
+ testRunner.notifyDone();
+ });
+ }
+ }
+
+ window.addEventListener('load', startTest, false);
+ window.addEventListener('pageshow', pageShowed, false);
+ </script>
+</head>
+<body>
+
+<div id="overflowing" onscroll="divScrolled()">
+ <div class="content">
+ </div>
+</div>
+
+<pre id="result"></pre>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestsfastscrollingresourcesscrollnotifyingpagehtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/scrolling/resources/scroll-notifying-page.html (0 => 196665)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/scrolling/resources/scroll-notifying-page.html (rev 0)
+++ trunk/LayoutTests/fast/scrolling/resources/scroll-notifying-page.html 2016-02-16 23:24:11 UTC (rev 196665)
</span><span class="lines">@@ -0,0 +1,21 @@
</span><ins>+<!DOCTYPE html>
+
+<html>
+<head>
+ <style>
+ body {
+ height: 2000px;
+ background-image: linear-gradient(white, gray);
+ }
+ </style>
+ <script>
+ function scrolled()
+ {
+ if (parent && 'iframeScrolled' in parent)
+ parent.iframeScrolled()
+ }
+ </script>
+</head>
+<body onscroll="scrolled()">
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestsplatformiossimulatorTestExpectations"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/ios-simulator/TestExpectations (196664 => 196665)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/ios-simulator/TestExpectations 2016-02-16 23:22:19 UTC (rev 196664)
+++ trunk/LayoutTests/platform/ios-simulator/TestExpectations 2016-02-16 23:24:11 UTC (rev 196665)
</span><span class="lines">@@ -54,6 +54,10 @@
</span><span class="cx"> fast/history/page-cache-running-audiocontext.html
</span><span class="cx"> fast/history/page-cache-suspended-audiocontext.html
</span><span class="cx">
</span><ins>+# No mousewheel events on iOS
+fast/scrolling/iframe-scrollable-after-back.html [ Skip ]
+fast/scrolling/overflow-scrollable-after-back.html [ Skip ]
+
</ins><span class="cx"> # Not supported on iOS
</span><span class="cx"> batterystatus
</span><span class="cx"> fast/mediastream
</span></span></pre></div>
<a id="trunkLayoutTestsplatformmacwk1TestExpectations"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/mac-wk1/TestExpectations (196664 => 196665)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/mac-wk1/TestExpectations 2016-02-16 23:22:19 UTC (rev 196664)
+++ trunk/LayoutTests/platform/mac-wk1/TestExpectations 2016-02-16 23:24:11 UTC (rev 196665)
</span><span class="lines">@@ -193,6 +193,9 @@
</span><span class="cx"> # This test times out.
</span><span class="cx"> webkit.org/b/147683 fast/scrolling/latching/scroll-div-with-nested-nonscrollable-iframe.html [ Skip ]
</span><span class="cx">
</span><ins>+fast/scrolling/iframe-scrollable-after-back.html [ Skip ]
+fast/scrolling/overflow-scrollable-after-back.html [ Skip ]
+
</ins><span class="cx"> compositing/rtl/rtl-fixed-overflow-scrolled.html [ Failure ]
</span><span class="cx">
</span><span class="cx"> compositing/iframes/overlapped-nested-iframes.html [ Pass Failure ]
</span></span></pre>
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