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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/SurroundingText.h"
#include "core/dom/Position.h"
#include "core/dom/Range.h"
#include "core/dom/Text.h"
#include "core/editing/VisibleSelection.h"
#include "core/html/HTMLElement.h"
#include "core/testing/DummyPageHolder.h"
#include <gtest/gtest.h>
using namespace WebCore;
namespace {
class SurroundingTextTest : public ::testing::Test {
protected:
Document& document() const { return m_dummyPageHolder->document(); }
void setHTML(const String&);
VisibleSelection select(int offset) { return select(offset, offset); }
VisibleSelection select(int start, int end);
private:
virtual void SetUp() OVERRIDE;
OwnPtr<DummyPageHolder> m_dummyPageHolder;
};
void SurroundingTextTest::SetUp()
{
m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
}
void SurroundingTextTest::setHTML(const String& content)
{
document().body()->setInnerHTML(content, ASSERT_NO_EXCEPTION);
}
VisibleSelection SurroundingTextTest::select(int start, int end)
{
Element* element = document().getElementById("selection");
VisibleSelection selection;
selection.setBase(Position(toText(element->firstChild()), start));
selection.setExtent(Position(toText(element->firstChild()), end));
return selection;
}
TEST_F(SurroundingTextTest, BasicCaretSelection)
{
setHTML(String("<p id='selection'>foo bar</p>"));
{
VisibleSelection selection = select(0);
SurroundingText surroundingText(selection.start(), 1);
EXPECT_EQ("f", surroundingText.content());
EXPECT_EQ(0u, surroundingText.startOffsetInContent());
EXPECT_EQ(0u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(0);
SurroundingText surroundingText(selection.start(), 5);
// maxlength/2 is used on the left and right.
EXPECT_EQ("foo", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(1u, surroundingText.startOffsetInContent());
EXPECT_EQ(1u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(0);
SurroundingText surroundingText(selection.start(), 42);
EXPECT_EQ("foo bar", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(1u, surroundingText.startOffsetInContent());
EXPECT_EQ(1u, surroundingText.endOffsetInContent());
}
{
// FIXME: if the selection is at the end of the text, SurroundingText
// will return nothing.
VisibleSelection selection = select(7);
SurroundingText surroundingText(selection.start(), 42);
EXPECT_EQ(0u, surroundingText.content().length());
EXPECT_EQ(0u, surroundingText.startOffsetInContent());
EXPECT_EQ(0u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(6);
SurroundingText surroundingText(selection.start(), 2);
EXPECT_EQ("ar", surroundingText.content());
EXPECT_EQ(1u, surroundingText.startOffsetInContent());
EXPECT_EQ(1u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(6);
SurroundingText surroundingText(selection.start(), 42);
EXPECT_EQ("foo bar", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(7u, surroundingText.startOffsetInContent());
EXPECT_EQ(7u, surroundingText.endOffsetInContent());
}
}
TEST_F(SurroundingTextTest, BasicRangeSelection)
{
setHTML(String("<p id='selection'>Lorem ipsum dolor sit amet</p>"));
{
VisibleSelection selection = select(0, 5);
SurroundingText surroundingText(*selection.firstRange(), 1);
EXPECT_EQ("Lorem ", surroundingText.content());
EXPECT_EQ(0u, surroundingText.startOffsetInContent());
EXPECT_EQ(5u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(0, 5);
SurroundingText surroundingText(*selection.firstRange(), 5);
EXPECT_EQ("Lorem ip", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(1u, surroundingText.startOffsetInContent());
EXPECT_EQ(6u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(0, 5);
SurroundingText surroundingText(*selection.firstRange(), 42);
EXPECT_EQ("Lorem ipsum dolor sit amet", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(1u, surroundingText.startOffsetInContent());
EXPECT_EQ(6u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(6, 11);
SurroundingText surroundingText(*selection.firstRange(), 2);
EXPECT_EQ(" ipsum ", surroundingText.content());
EXPECT_EQ(1u, surroundingText.startOffsetInContent());
EXPECT_EQ(6u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(6, 11);
SurroundingText surroundingText(*selection.firstRange(), 42);
EXPECT_EQ("Lorem ipsum dolor sit amet", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(7u, surroundingText.startOffsetInContent());
EXPECT_EQ(12u, surroundingText.endOffsetInContent());
}
}
TEST_F(SurroundingTextTest, TreeCaretSelection)
{
setHTML(String("<div>This is outside of <p id='selection'>foo bar</p> the selected node</div>"));
{
VisibleSelection selection = select(0);
SurroundingText surroundingText(selection.start(), 1);
EXPECT_EQ("f", surroundingText.content());
EXPECT_EQ(0u, surroundingText.startOffsetInContent());
EXPECT_EQ(0u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(0);
SurroundingText surroundingText(selection.start(), 5);
EXPECT_EQ("foo", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(1u, surroundingText.startOffsetInContent());
EXPECT_EQ(1u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(0);
SurroundingText surroundingText(selection.start(), 1337);
EXPECT_EQ("This is outside of foo bar the selected node", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(20u, surroundingText.startOffsetInContent());
EXPECT_EQ(20u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(6);
SurroundingText surroundingText(selection.start(), 2);
EXPECT_EQ("ar", surroundingText.content());
EXPECT_EQ(1u, surroundingText.startOffsetInContent());
EXPECT_EQ(1u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(6);
SurroundingText surroundingText(selection.start(), 1337);
EXPECT_EQ("This is outside of foo bar the selected node", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(26u, surroundingText.startOffsetInContent());
EXPECT_EQ(26u, surroundingText.endOffsetInContent());
}
}
TEST_F(SurroundingTextTest, TreeRangeSelection)
{
setHTML(String("<div>This is outside of <p id='selection'>foo bar</p> the selected node</div>"));
{
VisibleSelection selection = select(0, 1);
SurroundingText surroundingText(*selection.firstRange(), 1);
EXPECT_EQ("fo", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(0u, surroundingText.startOffsetInContent());
EXPECT_EQ(1u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(0, 3);
SurroundingText surroundingText(*selection.firstRange(), 12);
EXPECT_EQ("e of foo bar", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(5u, surroundingText.startOffsetInContent());
EXPECT_EQ(8u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(0, 3);
SurroundingText surroundingText(*selection.firstRange(), 1337);
EXPECT_EQ("This is outside of foo bar the selected node", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(20u, surroundingText.startOffsetInContent());
EXPECT_EQ(23u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(4, 7);
SurroundingText surroundingText(*selection.firstRange(), 12);
EXPECT_EQ("foo bar the se", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(5u, surroundingText.startOffsetInContent());
EXPECT_EQ(8u, surroundingText.endOffsetInContent());
}
{
VisibleSelection selection = select(0, 7);
SurroundingText surroundingText(*selection.firstRange(), 1337);
EXPECT_EQ("This is outside of foo bar the selected node", surroundingText.content().simplifyWhiteSpace());
EXPECT_EQ(20u, surroundingText.startOffsetInContent());
EXPECT_EQ(27u, surroundingText.endOffsetInContent());
}
}
} // anonymous namespace
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