Source/core/dom/DocumentMarkerControllerTest.cpp

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#include "config.h"
#include "core/dom/DocumentMarkerController.h"

#include "bindings/core/v8/ExceptionStatePlaceholder.h"
#include "core/dom/Document.h"
#include "core/dom/Range.h"
#include "core/dom/Text.h"
#include "core/html/HTMLElement.h"
#include "core/testing/DummyPageHolder.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/testing/WTFTestHelpers.h"
#include <gtest/gtest.h>

using namespace blink;

namespace {

class DocumentMarkerControllerTest : public ::testing::Test {
protected:
    virtual void SetUp() OVERRIDE;

    Document& document() const { return *m_document; }
    DocumentMarkerController& markerController() const { return m_document->markers(); }

    PassRefPtrWillBeRawPtr<Text> createTextNode(const char*);
    void markNodeContents(PassRefPtrWillBeRawPtr<Node>);
    void setBodyInnerHTML(const char*);

private:
    OwnPtr<DummyPageHolder> m_dummyPageHolder;
    Document* m_document;
};

void DocumentMarkerControllerTest::SetUp()
{
    m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
    m_document = &m_dummyPageHolder->document();
    ASSERT(m_document);
}

PassRefPtrWillBeRawPtr<Text> DocumentMarkerControllerTest::createTextNode(const char* textContents)
{
    return document().createTextNode(String::fromUTF8(textContents));
}

void DocumentMarkerControllerTest::markNodeContents(PassRefPtrWillBeRawPtr<Node> node)
{
    // Force renderers to be created; TextIterator, which is used in
    // DocumentMarkerControllerTest::addMarker(), needs them.
    document().updateLayout();
    RefPtrWillBeRawPtr<Range> range = rangeOfContents(node.get());
    markerController().addMarker(range.get(), DocumentMarker::Spelling);
}

void DocumentMarkerControllerTest::setBodyInnerHTML(const char* bodyContent)
{
    document().body()->setInnerHTML(String::fromUTF8(bodyContent), ASSERT_NO_EXCEPTION);
}

TEST_F(DocumentMarkerControllerTest, DidMoveToNewDocument)
{
    setBodyInnerHTML("<b><i>foo</i></b>");
    RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
    markNodeContents(parent.get());
    EXPECT_EQ(1u, markerController().markers().size());
    RefPtrWillBePersistent<Document> anotherDocument = Document::create();
    anotherDocument->adoptNode(parent.get(), ASSERT_NO_EXCEPTION);

    // No more reference to marked node.
    Heap::collectAllGarbage();
    EXPECT_EQ(0u, markerController().markers().size());
    EXPECT_EQ(0u, anotherDocument->markers().markers().size());
}

TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedMarkedByNormalize)
{
    setBodyInnerHTML("<b><i>foo</i></b>");
    {
        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
        parent->appendChild(createTextNode("bar").get());
        markNodeContents(parent.get());
        EXPECT_EQ(2u, markerController().markers().size());
        parent->normalize();
    }
    // No more reference to marked node.
    Heap::collectAllGarbage();
    EXPECT_EQ(1u, markerController().markers().size());
}

TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedMarkedByRemoveChildren)
{
    setBodyInnerHTML("<b><i>foo</i></b>");
    RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
    markNodeContents(parent.get());
    EXPECT_EQ(1u, markerController().markers().size());
    parent->removeChildren();
    // No more reference to marked node.
    Heap::collectAllGarbage();
    EXPECT_EQ(0u, markerController().markers().size());
}

TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedByRemoveMarked)
{
    setBodyInnerHTML("<b><i>foo</i></b>");
    {
        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
        markNodeContents(parent);
        EXPECT_EQ(1u, markerController().markers().size());
        parent->removeChild(parent->firstChild());
    }
    // No more reference to marked node.
    Heap::collectAllGarbage();
    EXPECT_EQ(0u, markerController().markers().size());
}

TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedMarkedByRemoveAncestor)
{
    setBodyInnerHTML("<b><i>foo</i></b>");
    {
        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
        markNodeContents(parent);
        EXPECT_EQ(1u, markerController().markers().size());
        parent->parentNode()->parentNode()->removeChild(parent->parentNode());
    }
    // No more reference to marked node.
    Heap::collectAllGarbage();
    EXPECT_EQ(0u, markerController().markers().size());
}

TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedMarkedByRemoveParent)
{
    setBodyInnerHTML("<b><i>foo</i></b>");
    {
        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
        markNodeContents(parent);
        EXPECT_EQ(1u, markerController().markers().size());
        parent->parentNode()->removeChild(parent.get());
    }
    // No more reference to marked node.
    Heap::collectAllGarbage();
    EXPECT_EQ(0u, markerController().markers().size());
}

TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedMarkedByReplaceChild)
{
    setBodyInnerHTML("<b><i>foo</i></b>");
    {
        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
        markNodeContents(parent.get());
        EXPECT_EQ(1u, markerController().markers().size());
        parent->replaceChild(createTextNode("bar").get(), parent->firstChild());
    }
    // No more reference to marked node.
    Heap::collectAllGarbage();
    EXPECT_EQ(0u, markerController().markers().size());
}

TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedBySetInnerHTML)
{
    setBodyInnerHTML("<b><i>foo</i></b>");
    {
        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
        markNodeContents(parent);
        EXPECT_EQ(1u, markerController().markers().size());
        setBodyInnerHTML("");
    }
    // No more reference to marked node.
    Heap::collectAllGarbage();
    EXPECT_EQ(0u, markerController().markers().size());
}

}