Tools/TestWebKitAPI/Tests/WebKit/NewFirstVisuallyNonEmptyLayout.cpp

/*
 * Copyright (C) 2012 Apple Inc. All rights reserved.
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#include "config.h"

#if WK_HAVE_C_SPI

#include "PlatformUtilities.h"
#include "PlatformWebView.h"
#include <WebKit/WKContextPrivate.h>

namespace TestWebKitAPI {

static bool didFirstLayoutAchieved;
static bool didFirstVisuallyNonEmptyLayoutAchieved;
static bool didHitRelevantRepaintedObjectsAreaThresholdAchieved;
static bool didUnlockAllLayoutMilestones;

static void didLayout(WKPageRef, WKPageRenderingProgressEvents type, WKTypeRef, const void *)
{
    switch (type) {
    case kWKDidFirstLayout:
        didFirstLayoutAchieved = true;
        break;
    case kWKDidFirstVisuallyNonEmptyLayout:
        didFirstVisuallyNonEmptyLayoutAchieved = true;
        break;
    case kWKDidHitRelevantRepaintedObjectsAreaThreshold:
        didHitRelevantRepaintedObjectsAreaThresholdAchieved = true;
        break;
    default:
        break;
    }
    
    if (didFirstLayoutAchieved && didFirstVisuallyNonEmptyLayoutAchieved && didHitRelevantRepaintedObjectsAreaThresholdAchieved)
        didUnlockAllLayoutMilestones = true;
}

static void setPageLoaderClient(WKPageRef page)
{
    WKPageNavigationClientV3 loaderClient;
    memset(&loaderClient, 0, sizeof(loaderClient));

    loaderClient.base.version = 3;
    loaderClient.renderingProgressDidChange = didLayout;

    WKPageSetPageNavigationClient(page, &loaderClient.base);
}

// FIXME: This test has been broken since http://trac.webkit.org/changeset/115752 It's failing because
// the frame load is completing before didLayout() manages to unlock the
// kWKDidHitRelevantRepaintedObjectsAreaThreshold achievement. We probably need to fix this by making
// this test have a long-running resource.
TEST(WebKit, DISABLED_NewFirstVisuallyNonEmptyLayout)
{
    WKRetainPtr<WKContextRef> context = adoptWK(Util::createContextForInjectedBundleTest("NewFirstVisuallyNonEmptyLayoutTest"));

    PlatformWebView webView(context.get());
    setPageLoaderClient(webView.page());

    // This test is expected to succeed because lots-of-text.html is a large document and the relevant painted
    // objects take up more than 10% of the view.
    WKPageLoadURL(webView.page(), adoptWK(Util::createURLForResource("lots-of-text", "html")).get());

    Util::run(&didUnlockAllLayoutMilestones);
    EXPECT_TRUE(didUnlockAllLayoutMilestones);
}

} // namespace TestWebKitAPI

#endif