Tools/TestWebKitAPI/Tests/WebKit/mac/EditorCommands.mm

/*
 * Copyright (C) 2011 Apple Inc. 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
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 *    notice, this list of conditions and the following disclaimer in the
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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#include "config.h"
#include "JavaScriptTest.h"
#include "PlatformUtilities.h"
#include "PlatformWebView.h"
#include <WebKit/WKRetainPtr.h>
#include <WebKit/WKPage.h>
#include <WebKit/WKPreferencesPrivate.h>

namespace TestWebKitAPI {

static bool didFinishLoad;

static void didFinishNavigation(WKPageRef, WKNavigationRef, WKTypeRef, const void*)
{
    didFinishLoad = true;
}

TEST(WebKit, ScrollByLineCommands)
{
    WKRetainPtr<WKContextRef> context = adoptWK(Util::createContextWithInjectedBundle());

    // Turn off threaded scrolling; synchronously waiting for the main thread scroll position to
    // update using WKPageForceRepaint would be better, but for some reason the test still fails occasionally.
    WKRetainPtr<WKPageGroupRef> pageGroup = adoptWK(WKPageGroupCreateWithIdentifier(Util::toWK("NoThreadedScrollingPageGroup").get()));
    WKPreferencesRef preferences = WKPageGroupGetPreferences(pageGroup.get());
    WKPreferencesSetThreadedScrollingEnabled(preferences, false);

    PlatformWebView webView(context.get(), pageGroup.get());

    WKPageNavigationClientV0 loaderClient;
    memset(&loaderClient, 0, sizeof(loaderClient));

    loaderClient.base.version = 0;
    loaderClient.didFinishNavigation = didFinishNavigation;

    WKPageSetPageNavigationClient(webView.page(), &loaderClient.base);

    WKRetainPtr<WKURLRef> url = adoptWK(Util::createURLForResource("simple-tall", "html"));
    WKPageLoadURL(webView.page(), url.get());
    Util::run(&didFinishLoad);

    EXPECT_JS_EQ(webView.page(), "window.scrollY", "0");

    ASSERT_TRUE([webView.platformView() respondsToSelector:@selector(scrollLineDown:)]);
    [webView.platformView() scrollLineDown:nil];

    EXPECT_JS_EQ(webView.page(), "window.scrollY", "40");

    ASSERT_TRUE([webView.platformView() respondsToSelector:@selector(scrollLineUp:)]);
    [webView.platformView() scrollLineUp:nil];

    EXPECT_JS_EQ(webView.page(), "window.scrollY", "0");
}

} // namespace TestWebKitAPI