Selection should be updated after node is moved to another document

Source/core/editing/FrameSelectionTest.cpp

Index: Source/core/editing/FrameSelectionTest.cpp
diff --git a/Source/core/editing/FrameSelectionTest.cpp b/Source/core/editing/FrameSelectionTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..94d72834e71c120a4ee4bd86b59059b936b94740
--- /dev/null
+++ b/Source/core/editing/FrameSelectionTest.cpp
@@ -0,0 +1,130 @@
+/*

[yosin_UTC9, 2014/07/09 03:27:35]

nit: You can use shorter copyright header:
http://dev.chromium.org/blink/coding-style#TOC-License

[tasak, 2014/07/10 03:16:01]

Done.

+ * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
+ * Copyright (C) 2005 Alexey Proskuryakov.
+ *
+ * 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
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "core/editing/FrameSelection.h"
+
+#include "bindings/core/v8/ExceptionStatePlaceholder.h"
+#include "core/dom/DOMImplementation.h"
+#include "core/dom/Document.h"
+#include "core/dom/Element.h"
+#include "core/dom/Text.h"
+#include "core/html/HTMLBodyElement.h"
+#include "core/html/HTMLDocument.h"
+#include "core/testing/DummyPageHolder.h"
+#include "wtf/Compiler.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefPtr.h"
+#include "wtf/StdLibExtras.h"
+#include "wtf/Vector.h"
+#include "wtf/testing/WTFTestHelpers.h"
+#include <gtest/gtest.h>
+
+#define LOREM_IPSUM \

[yosin_UTC9, 2014/07/09 03:27:35]

Can we use shorter text? It seems we need to set nodes in different documents to
selection.

[tasak, 2014/07/10 03:16:02]

Done.

+    "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor " \
+    "incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud " \
+    "exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure " \
+    "dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur." \
+    "Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt " \
+    "mollit anim id est laborum."
+
+using namespace WebCore;
+
+namespace {
+
+class FrameSelectionTest : public ::testing::Test {
+protected:
+    virtual void SetUp() OVERRIDE;
+
+    HTMLDocument& document() const;
+    void setSelection(const VisibleSelection&);
+    const VisibleSelection& selection() const;
+    Text* textNode() { return m_textNode.get(); }
+
+private:
+    OwnPtr<DummyPageHolder> m_dummyPageHolder;
+    HTMLDocument* m_document;
+    RefPtr<Text> m_textNode;
+    OwnPtr<FrameSelection> m_frameSelection;
+};
+
+void FrameSelectionTest::SetUp()
+{
+    m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
+    m_document = toHTMLDocument(&m_dummyPageHolder->document());
+    ASSERT(m_document);
+    m_textNode = m_document->createTextNode(LOREM_IPSUM);
+    m_document->body()->appendChild(m_textNode);
+
+    m_frameSelection = FrameSelection::create(&m_dummyPageHolder->frame());
+    ASSERT(m_frameSelection);
+}
+
+HTMLDocument& FrameSelectionTest::document() const
+{
+    return *m_document;
+}
+
+void FrameSelectionTest::setSelection(const VisibleSelection& newSelection)
+{
+    m_frameSelection->setSelection(newSelection);
+}
+
+const VisibleSelection& FrameSelectionTest::selection() const
+{
+    return m_frameSelection->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;
+    RefPtr<Document> documentWithoutFrame = DOMImplementation::createDocument("text/html", dummy, false);
+    RefPtr<Element> body = documentWithoutFrame->createElement(HTMLNames::bodyTag, false);
+    documentWithoutFrame->appendChild(body);
+    RefPtr<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());
+}
+
+}
+