webkitgtk-2.12.3webkitgtk-2.12.3

6 files changed, 466 insertions, 0 deletions

diff --git a/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewIsActiveSetIsActive.cpp b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewIsActiveSetIsActive.cpp
new file mode 100644
index 000000000..ef9625b99
--- /dev/null
+++ b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewIsActiveSetIsActive.cpp
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "PlatformUtilities.h"
+#include "Test.h"
+
+#include <WebKit/WKContext.h>
+#include <WebKit/WKPage.h>
+#include <WebKit/WKRetainPtr.h>
+#include <WebKit/WKView.h>
+
+namespace TestWebKitAPI {
+
+static bool didWebProcessCrash = false;
+static bool didWebProcessRelaunch = false;
+static bool didFinishLoad = false;
+
+static void didFinishLoadForFrame(WKPageRef, WKFrameRef, WKTypeRef, const void*)
+{
+    didFinishLoad = true;
+}
+
+static void webProcessCrashed(WKViewRef view, WKURLRef, const void*)
+{
+    // WebProcess crashed, so at this point the view should not be active.
+    ASSERT_FALSE(WKViewIsActive(view));
+    didWebProcessCrash = true;
+}
+
+static void webProcessRelaunched(WKViewRef view, const void*)
+{
+    // WebProcess just relaunched, so at this point the view should not be active.
+    ASSERT_FALSE(WKViewIsActive(view));
+
+    didWebProcessRelaunch = true;
+}
+
+TEST(WebKit2, WKViewIsActiveSetIsActive)
+{
+    WKRetainPtr<WKContextRef> context = adoptWK(WKContextCreate());
+    WKRetainPtr<WKViewRef> view = adoptWK(WKViewCreate(context.get(), 0));
+
+    WKViewInitialize(view.get());
+
+    // At this point we should have an active view.
+    ASSERT_TRUE(WKViewIsActive(view.get()));
+
+    // Now we are going to play with its active state a few times.
+    WKViewSetIsActive(view.get(), true);
+    ASSERT_TRUE(WKViewIsActive(view.get()));
+
+    WKViewSetIsActive(view.get(), false);
+    ASSERT_FALSE(WKViewIsActive(view.get()));
+
+    WKViewSetIsActive(view.get(), false);
+    ASSERT_FALSE(WKViewIsActive(view.get()));
+
+    WKViewSetIsActive(view.get(), true);
+    ASSERT_TRUE(WKViewIsActive(view.get()));
+}
+
+TEST(WebKit2, WKViewIsActive)
+{
+    WKRetainPtr<WKContextRef> context = adoptWK(Util::createContextForInjectedBundleTest("WKViewIsActiveSetIsActiveTest"));
+    WKRetainPtr<WKViewRef> view = adoptWK(WKViewCreate(context.get(), 0));
+
+    WKViewClientV0 viewClient;
+    memset(&viewClient, 0, sizeof(WKViewClientV0));
+    viewClient.base.version = 0;
+    viewClient.webProcessCrashed = webProcessCrashed;
+    viewClient.webProcessDidRelaunch = webProcessRelaunched;
+    WKViewSetViewClient(view.get(), &viewClient.base);
+
+    WKViewInitialize(view.get());
+
+    // At this point we should have an active view.
+    ASSERT_TRUE(WKViewIsActive(view.get()));
+
+    WKPageLoaderClientV3 pageLoaderClient;
+    memset(&pageLoaderClient, 0, sizeof(WKPageLoaderClient));
+    pageLoaderClient.base.version = 3;
+    pageLoaderClient.didFinishLoadForFrame = didFinishLoadForFrame;
+    WKPageSetPageLoaderClient(WKViewGetPage(view.get()), &pageLoaderClient.base);
+
+    const WKSize size = WKSizeMake(100, 100);
+    WKViewSetSize(view.get(), size);
+
+    didFinishLoad = false;
+    didWebProcessCrash = false;
+    didWebProcessRelaunch = false;
+
+    WKRetainPtr<WKURLRef> simpleUrl = adoptWK(Util::createURLForResource("../WebKit/simple", "html"));
+    WKPageLoadURL(WKViewGetPage(view.get()), simpleUrl.get());
+    Util::run(&didFinishLoad);
+    didFinishLoad = false;
+
+    WKContextPostMessageToInjectedBundle(context.get(), Util::toWK("Crash").get(), 0);
+    Util::run(&didWebProcessCrash);
+    ASSERT_TRUE(didWebProcessCrash);
+
+    WKPageLoadURL(WKViewGetPage(view.get()), simpleUrl.get());
+    Util::run(&didFinishLoad);
+
+    ASSERT_TRUE(didWebProcessRelaunch);
+    ASSERT_TRUE(didFinishLoad);
+}
+
+} // TestWebKitAPI
diff --git a/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewIsActiveSetIsActive_Bundle.cpp b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewIsActiveSetIsActive_Bundle.cpp
new file mode 100644
index 000000000..a3cb1b6de
--- /dev/null
+++ b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewIsActiveSetIsActive_Bundle.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "InjectedBundleTest.h"
+#include <WebKit/WKRetainPtr.h>
+
+#include <cstdlib>
+
+namespace TestWebKitAPI {
+
+class WKViewIsActiveSetIsActiveTest : public InjectedBundleTest {
+public:
+    WKViewIsActiveSetIsActiveTest(const std::string& identifier)
+        : InjectedBundleTest(identifier)
+    {
+    }
+
+    virtual void didReceiveMessage(WKBundleRef bundle, WKStringRef messageName, WKTypeRef messageBody)
+    {
+        if (!WKStringIsEqualToUTF8CString(messageName, "Crash"))
+            return;
+        abort();
+    }
+};
+
+static InjectedBundleTest::Register<WKViewIsActiveSetIsActiveTest> registrar("WKViewIsActiveSetIsActiveTest");
+
+} // namespace TestWebKitAPI
+
diff --git a/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewRestoreZoomAndScrollBackForward.cpp b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewRestoreZoomAndScrollBackForward.cpp
new file mode 100644
index 000000000..5c556ecee
--- /dev/null
+++ b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewRestoreZoomAndScrollBackForward.cpp
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2012-2013 Nokia Corporation and/or its subsidiary(-ies).
+ * Copyright (C) 2011 Samsung Electronics. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "ewk_view_private.h"
+#include "PlatformUtilities.h"
+#include "PlatformWebView.h"
+#include <WebKit/WKContext.h>
+#include <WebKit/WKRetainPtr.h>
+#include "Test.h"
+
+namespace TestWebKitAPI {
+
+static bool finishedLoad = false;
+static bool scroll = false;
+
+static void didFinishLoadForFrame(WKPageRef, WKFrameRef, WKTypeRef, const void*)
+{
+    finishedLoad = true;
+}
+
+static void didChangeContentsPosition(WKViewRef, WKPoint p, const void*)
+{
+    scroll = true;
+}
+
+TEST(WebKit2, WKViewRestoreZoomAndScrollBackForward)
+{
+    WKRetainPtr<WKContextRef> context(AdoptWK, WKContextCreate());
+    PlatformWebView webView(context.get());
+    WKRetainPtr<WKViewRef> view = EWKViewGetWKView(webView.platformView());
+
+    WKPageSetUseFixedLayout(webView.page(), true);
+
+    WKPageLoaderClientV0 loaderClient;
+    memset(&loaderClient, 0, sizeof(loaderClient));
+    loaderClient.base.version = 0;
+    loaderClient.didFinishLoadForFrame = didFinishLoadForFrame;
+    WKPageSetPageLoaderClient(webView.page(), &loaderClient.base);
+
+    WKViewClientV0 viewClient;
+    memset(&viewClient, 0, sizeof(viewClient));
+    viewClient.base.version = 0;
+    viewClient.didChangeContentsPosition = didChangeContentsPosition;
+    WKViewSetViewClient(view.get(), &viewClient.base);
+
+    // Load first page.
+    WKRetainPtr<WKURLRef> url(AdoptWK, Util::createURLForResource("CoordinatedGraphics/backforward1", "html"));
+    WKPageLoadURL(webView.page(), url.get());
+    Util::run(&finishedLoad);
+
+    // Change scale and position on first page.
+    float firstPageScale = 2.0;
+    WKPoint firstPageScrollPosition = WKPointMake(10, 350); // Scroll position of first page.
+    WKViewSetContentPosition(view.get(), firstPageScrollPosition);
+    WKViewSetContentScaleFactor(view.get(), firstPageScale);
+    float currentPageScale = WKViewGetContentScaleFactor(view.get());
+    WKPoint currentPagePosition = WKViewGetContentPosition(view.get());
+    Util::run(&scroll);
+    EXPECT_EQ(firstPageScale, currentPageScale);
+    EXPECT_EQ(firstPageScrollPosition.x, currentPagePosition.x);
+    EXPECT_EQ(firstPageScrollPosition.y, currentPagePosition.y);
+
+    // Load second page.
+    finishedLoad = false;
+    url = adoptWK(Util::createURLForResource("CoordinatedGraphics/backforward2", "html"));
+    WKPageLoadURL(webView.page(), url.get());
+    Util::run(&finishedLoad);
+
+    // Check if second page scale and position is correct.
+    currentPageScale = WKViewGetContentScaleFactor(view.get());
+    currentPagePosition = WKViewGetContentPosition(view.get());
+    EXPECT_EQ(1, currentPageScale);
+    EXPECT_EQ(0, currentPagePosition.x);
+    EXPECT_EQ(0, currentPagePosition.y);
+
+    // Go back first page.
+    scroll = false;
+    finishedLoad = false;
+    WKPageGoBack(webView.page());
+    Util::run(&finishedLoad);
+    Util::run(&scroll);
+
+    // Check if scroll position and scale of first page are restored correctly.
+    currentPageScale = WKViewGetContentScaleFactor(view.get());
+    currentPagePosition = WKViewGetContentPosition(view.get());
+    EXPECT_EQ(firstPageScale, currentPageScale);
+    EXPECT_EQ(firstPageScrollPosition.x, currentPagePosition.x);
+    EXPECT_EQ(firstPageScrollPosition.y, currentPagePosition.y);
+
+    // Go to second page again.
+    WKPageGoForward(webView.page());
+    scroll = false;
+    finishedLoad = false;
+    Util::run(&finishedLoad);
+
+    // Check if the scroll position and scale of second page are restored correctly.
+    currentPageScale = WKViewGetContentScaleFactor(view.get());
+    currentPagePosition = WKViewGetContentPosition(view.get());
+    EXPECT_EQ(1, currentPageScale);
+    EXPECT_EQ(0, currentPagePosition.x);
+    EXPECT_EQ(0, currentPagePosition.y);
+}
+
+} // TestWebKitAPI
diff --git a/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewUserViewportToContents.cpp b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewUserViewportToContents.cpp
new file mode 100644
index 000000000..2445fd71f
--- /dev/null
+++ b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/WKViewUserViewportToContents.cpp
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "WebKit/WKView.h"
+#include "WebKit/WKRetainPtr.h"
+
+namespace TestWebKitAPI {
+
+TEST(WebKit2, DISABLED_WKViewUserViewportToContents)
+{
+    // This test creates a WKView and uses the WKViewUserViewportToContents
+    // function to convert viewport coordinates to contents (page) coordinates.
+    // It scrolls and scales around the contents and check if the coordinates
+    // conversion math is right.
+
+    WKRetainPtr<WKContextRef> context(AdoptWK, WKContextCreate());
+    WKRetainPtr<WKPageConfigurationRef> configuration(AdoptWK, WKPageConfigurationCreate());
+    WKPageConfigurationSetContext(configuration.get(), context.get());
+
+    WKRetainPtr<WKViewRef> webView(AdoptWK, WKViewCreate(context.get(), configuration.get()));
+
+    WKViewSetIsActive(webView.get(), true);
+    WKPageSetUseFixedLayout(WKViewGetPage(webView.get()), false);
+
+    WKPoint out;
+
+    // At scale 1.0 the viewport and contents coordinates should match.
+
+    WKViewSetContentScaleFactor(webView.get(), 1.0);
+    WKViewSetContentPosition(webView.get(), WKPointMake(0, 0));
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(0, 0));
+    EXPECT_EQ(out.x, 0);
+    EXPECT_EQ(out.y, 0);
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(10, 10));
+    EXPECT_EQ(out.x, 10);
+    EXPECT_EQ(out.y, 10);
+
+    WKViewSetContentPosition(webView.get(), WKPointMake(20, 20));
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(0, 0));
+    EXPECT_EQ(out.x, 20);
+    EXPECT_EQ(out.y, 20);
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(10, 10));
+    EXPECT_EQ(out.x, 30);
+    EXPECT_EQ(out.y, 30);
+
+    // At scale 2.0 the viewport distance values will be half
+    // the ones seem in the contents.
+
+    WKViewSetContentScaleFactor(webView.get(), 2.0);
+    WKViewSetContentPosition(webView.get(), WKPointMake(0, 0));
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(0, 0));
+    EXPECT_EQ(out.x, 0);
+    EXPECT_EQ(out.y, 0);
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(10, 10));
+    EXPECT_EQ(out.x, 5);
+    EXPECT_EQ(out.y, 5);
+
+    WKViewSetContentPosition(webView.get(), WKPointMake(20, 20));
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(0, 0));
+    EXPECT_EQ(out.x, 20);
+    EXPECT_EQ(out.y, 20);
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(10, 10));
+    EXPECT_EQ(out.x, 25);
+    EXPECT_EQ(out.y, 25);
+
+    // At scale 0.5 the viewport distance values will be twice
+    // the ones seem in the contents.
+
+    WKViewSetContentScaleFactor(webView.get(), 0.5);
+    WKViewSetContentPosition(webView.get(), WKPointMake(0, 0));
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(0, 0));
+    EXPECT_EQ(out.x, 0);
+    EXPECT_EQ(out.y, 0);
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(10, 10));
+    EXPECT_EQ(out.x, 20);
+    EXPECT_EQ(out.y, 20);
+
+    WKViewSetContentPosition(webView.get(), WKPointMake(20, 20));
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(0, 0));
+    EXPECT_EQ(out.x, 20);
+    EXPECT_EQ(out.y, 20);
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(10, 10));
+    EXPECT_EQ(out.x, 40);
+    EXPECT_EQ(out.y, 40);
+
+    // Let's add translation to the viewport.
+
+    const int delta = 10;
+    WKViewSetUserViewportTranslation(webView.get(), delta, delta);
+
+    WKViewSetContentPosition(webView.get(), WKPointMake(0, 0));
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(0, 0));
+    EXPECT_EQ(out.x, 0 - delta / 0.5);
+    EXPECT_EQ(out.y, 0 - delta / 0.5);
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(10, 10));
+    EXPECT_EQ(out.x, 20 - delta / 0.5);
+    EXPECT_EQ(out.y, 20 - delta / 0.5);
+
+    WKViewSetContentPosition(webView.get(), WKPointMake(20, 20));
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(0, 0));
+    EXPECT_EQ(out.x, 20 - delta / 0.5);
+    EXPECT_EQ(out.y, 20 - delta / 0.5);
+
+    out = WKViewUserViewportToContents(webView.get(), WKPointMake(10, 10));
+    EXPECT_EQ(out.x, 40 - delta / 0.5);
+    EXPECT_EQ(out.y, 40 - delta / 0.5);
+}
+
+}
diff --git a/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/backforward1.html b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/backforward1.html
new file mode 100644
index 000000000..98c1c107c
--- /dev/null
+++ b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/backforward1.html
@@ -0,0 +1,5 @@
+<html>
+<body style="width:100%; height:100%">
+    <div style="position: absolute; top: 0; left: 0; width: 900px; height: 1200px;"></div>
+</body>
+</html>
diff --git a/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/backforward2.html b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/backforward2.html
new file mode 100644
index 000000000..3806b9d32
--- /dev/null
+++ b/Tools/TestWebKitAPI/Tests/WebKit2/CoordinatedGraphics/backforward2.html
@@ -0,0 +1 @@
+<body style="width:100%; height:100%"/>