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// 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 "core/editing/FrameSelection.h"
#include "bindings/core/v8/ExceptionStatePlaceholder.h"
#include "core/dom/Document.h"
#include "core/dom/Element.h"
#include "core/dom/Text.h"
#include "core/frame/FrameView.h"
#include "core/html/HTMLBodyElement.h"
#include "core/html/HTMLDocument.h"
#include "core/testing/DummyPageHolder.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/StdLibExtras.h"
#include "wtf/testing/WTFTestHelpers.h"
#include <gtest/gtest.h>
using namespace blink;
namespace {
class FrameSelectionTest : public ::testing::Test {
protected:
virtual void SetUp() override;
DummyPageHolder& dummyPageHolder() const { return *m_dummyPageHolder; }
HTMLDocument& document() const;
void setSelection(const VisibleSelection&);
FrameSelection& selection() const;
Text* textNode() { return m_textNode.get(); }
int layoutCount() const { return m_dummyPageHolder->frameView().layoutCount(); }
private:
OwnPtr<DummyPageHolder> m_dummyPageHolder;
RawPtr<HTMLDocument> m_document;
RefPtrWillBePersistent<Text> m_textNode;
};
void FrameSelectionTest::SetUp()
{
m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
m_document = toHTMLDocument(&m_dummyPageHolder->document());
ASSERT(m_document);
m_textNode = m_document->createTextNode("Hello, World!");
m_document->body()->appendChild(m_textNode.get());
}
HTMLDocument& FrameSelectionTest::document() const
{
return *m_document;
}
void FrameSelectionTest::setSelection(const VisibleSelection& newSelection)
{
m_dummyPageHolder->frame().selection().setSelection(newSelection);
}
FrameSelection& FrameSelectionTest::selection() const
{
return m_dummyPageHolder->frame().selection();
}
TEST_F(FrameSelectionTest, SetValidSelection)
{
VisibleSelection validSelection(Position(textNode(), 0), Position(textNode(), 5));
EXPECT_FALSE(validSelection.isNone());
setSelection(validSelection);
EXPECT_FALSE(selection().isNone());
}
TEST_F(FrameSelectionTest, SetInvalidSelection)
{
// Create a new document without frame by using DOMImplementation.
DocumentInit dummy;
RefPtrWillBeRawPtr<Document> documentWithoutFrame = Document::create();
RefPtrWillBeRawPtr<Element> body = documentWithoutFrame->createElement(HTMLNames::bodyTag, false);
documentWithoutFrame->appendChild(body);
RefPtrWillBeRawPtr<Text> anotherText = documentWithoutFrame->createTextNode("Hello, another world");
body->appendChild(anotherText);
// Create a new VisibleSelection for the new document without frame and
// update FrameSelection with the selection.
VisibleSelection invalidSelection;
invalidSelection.setWithoutValidation(Position(anotherText, 0), Position(anotherText, 5));
setSelection(invalidSelection);
EXPECT_TRUE(selection().isNone());
}
TEST_F(FrameSelectionTest, InvalidateCaretRect)
{
document().view()->updateLayoutAndStyleIfNeededRecursive();
VisibleSelection validSelection(Position(textNode(), 0), Position(textNode(), 0));
setSelection(validSelection);
selection().setCaretRectNeedsUpdate();
EXPECT_TRUE(selection().isCaretBoundsDirty());
selection().invalidateCaretRect();
EXPECT_FALSE(selection().isCaretBoundsDirty());
document().body()->removeChild(textNode());
document().updateLayoutIgnorePendingStylesheets();
selection().setCaretRectNeedsUpdate();
EXPECT_TRUE(selection().isCaretBoundsDirty());
selection().invalidateCaretRect();
EXPECT_FALSE(selection().isCaretBoundsDirty());
}
TEST_F(FrameSelectionTest, PaintCaretShouldNotLayout)
{
document().view()->updateLayoutAndStyleIfNeededRecursive();
document().body()->setContentEditable("true", ASSERT_NO_EXCEPTION);
document().body()->focus();
EXPECT_TRUE(document().body()->focused());
VisibleSelection validSelection(Position(textNode(), 0), Position(textNode(), 0));
selection().setCaretVisible(true);
setSelection(validSelection);
EXPECT_TRUE(selection().isCaret());
EXPECT_TRUE(selection().ShouldPaintCaretForTesting());
int startCount = layoutCount();
{
// To force layout in next updateLayout calling, widen view.
FrameView& frameView = dummyPageHolder().frameView();
IntRect frameRect = frameView.frameRect();
frameRect.setWidth(frameRect.width() + 1);
frameRect.setHeight(frameRect.height() + 1);
dummyPageHolder().frameView().setFrameRect(frameRect);
}
selection().paintCaret(nullptr, LayoutPoint(), LayoutRect());
EXPECT_EQ(startCount, layoutCount());
}
#define EXPECT_EQ_SELECTED_TEXT(text) \
EXPECT_EQ(text, WebString(selection().selectedText()).utf8())
TEST_F(FrameSelectionTest, SelectWordAroundPosition)
{
// "Foo Bar Baz,"
RefPtrWillBeRawPtr<Text> text = document().createTextNode("Foo Bar Baz,");
document().body()->appendChild(text);
// "Fo|o Bar Baz,"
EXPECT_TRUE(selection().selectWordAroundPosition(VisiblePosition(Position(text, 2))));
EXPECT_EQ_SELECTED_TEXT("Foo");
// "Foo| Bar Baz,"
EXPECT_TRUE(selection().selectWordAroundPosition(VisiblePosition(Position(text, 3))));
EXPECT_EQ_SELECTED_TEXT("Foo");
// "Foo Bar | Baz,"
EXPECT_FALSE(selection().selectWordAroundPosition(VisiblePosition(Position(text, 13))));
// "Foo Bar Baz|,"
EXPECT_TRUE(selection().selectWordAroundPosition(VisiblePosition(Position(text, 22))));
EXPECT_EQ_SELECTED_TEXT("Baz");
}
}
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