Source/web/tests/WebDocumentTest.cpp

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "config.h"

#include "public/web/WebDocument.h"

#include "core/CSSPropertyNames.h"
#include "core/dom/NodeRenderStyle.h"
#include "core/dom/StyleEngine.h"
#include "core/frame/LocalFrame.h"
#include "core/html/HTMLElement.h"
#include "core/page/Page.h"
#include "core/rendering/style/RenderStyle.h"
#include "core/testing/URLTestHelpers.h"
#include "platform/graphics/Color.h"
#include "web/tests/FrameTestHelpers.h"
#include <gtest/gtest.h>

namespace {

using blink::FrameTestHelpers::WebViewHelper;
using blink::URLTestHelpers::toKURL;
using namespace blink;

TEST(WebDocumentTest, InsertStyleSheet)
{
    WebViewHelper webViewHelper;
    webViewHelper.initializeAndLoad("about:blank");

    WebDocument webDoc = webViewHelper.webView()->mainFrame()->document();
    Document* coreDoc = toLocalFrame(webViewHelper.webViewImpl()->page()->mainFrame())->document();

    webDoc.insertStyleSheet("body { color: green }");

    // Check insertStyleSheet did not cause a synchronous style recalc.
    unsigned accessCount = coreDoc->styleEngine()->resolverAccessCount();
    ASSERT_EQ(0U, accessCount);

    HTMLElement* bodyElement = coreDoc->body();
    ASSERT(bodyElement);

    RenderStyle* style = bodyElement->renderStyle();
    ASSERT(style);

    // Inserted stylesheet not yet applied.
    ASSERT_EQ(Color(0, 0, 0), style->visitedDependentColor(CSSPropertyColor));

    // Apply inserted stylesheet.
    coreDoc->updateRenderTreeIfNeeded();

    style = bodyElement->renderStyle();
    ASSERT(style);

    // Inserted stylesheet applied.
    ASSERT_EQ(Color(0, 128, 0), style->visitedDependentColor(CSSPropertyColor));
}

TEST(WebDocumentTest, BeginExitTransition)
{
    std::string baseURL = "http://www.test.com:0/";
    const char* htmlURL = "transition_exit.html";
    const char* cssURL = "transition_exit.css";
    URLTestHelpers::registerMockedURLLoad(toKURL(baseURL + htmlURL), WebString::fromUTF8(htmlURL));
    URLTestHelpers::registerMockedURLLoad(toKURL(baseURL + cssURL), WebString::fromUTF8(cssURL));

    WebViewHelper webViewHelper;
    webViewHelper.initializeAndLoad(baseURL + htmlURL);

    WebFrame* frame = webViewHelper.webView()->mainFrame();
    Document* coreDoc = toLocalFrame(webViewHelper.webViewImpl()->page()->mainFrame())->document();
    Element* transitionElement = coreDoc->getElementById("foo");
    ASSERT(transitionElement);

    RenderStyle* transitionStyle = transitionElement->renderStyle();
    ASSERT(transitionStyle);

    HTMLElement* bodyElement = coreDoc->body();
    ASSERT(bodyElement);

    RenderStyle* bodyStyle = bodyElement->renderStyle();
    ASSERT(bodyStyle);
    // The transition_exit.css stylesheet should not have been applied at this point.
    ASSERT_EQ(Color(0, 0, 0), bodyStyle->visitedDependentColor(CSSPropertyColor));

    frame->document().beginExitTransition("#foo");

    // Make sure the stylesheet load request gets processed.
    FrameTestHelpers::pumpPendingRequestsDoNotUse(frame);
    coreDoc->updateRenderTreeIfNeeded();

    // The element should now be hidden.
    transitionStyle = transitionElement->renderStyle();
    ASSERT_TRUE(transitionStyle);
    ASSERT_EQ(transitionStyle->opacity(), 0);

    // The stylesheet should now have been applied.
    bodyStyle = bodyElement->renderStyle();
    ASSERT(bodyStyle);
    ASSERT_EQ(Color(0, 128, 0), bodyStyle->visitedDependentColor(CSSPropertyColor));
}

}