1/*
2 * Copyright (c) 2013, Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
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15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "core/dom/DocumentMarkerController.h"
33
34#include "bindings/core/v8/ExceptionStatePlaceholder.h"
35#include "core/dom/Document.h"
36#include "core/dom/Range.h"
37#include "core/dom/Text.h"
38#include "core/html/HTMLElement.h"
39#include "core/testing/DummyPageHolder.h"
40#include "wtf/PassRefPtr.h"
41#include "wtf/RefPtr.h"
42#include "wtf/testing/WTFTestHelpers.h"
43#include <gtest/gtest.h>
44
45using namespace blink;
46
47namespace {
48
49class DocumentMarkerControllerTest : public ::testing::Test {
50protected:
51    virtual void SetUp() OVERRIDE;
52
53    Document& document() const { return *m_document; }
54    DocumentMarkerController& markerController() const { return m_document->markers(); }
55
56    PassRefPtrWillBeRawPtr<Text> createTextNode(const char*);
57    void markNodeContents(PassRefPtrWillBeRawPtr<Node>);
58    void setBodyInnerHTML(const char*);
59
60private:
61    OwnPtr<DummyPageHolder> m_dummyPageHolder;
62    Document* m_document;
63};
64
65void DocumentMarkerControllerTest::SetUp()
66{
67    m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
68    m_document = &m_dummyPageHolder->document();
69    ASSERT(m_document);
70}
71
72PassRefPtrWillBeRawPtr<Text> DocumentMarkerControllerTest::createTextNode(const char* textContents)
73{
74    return document().createTextNode(String::fromUTF8(textContents));
75}
76
77void DocumentMarkerControllerTest::markNodeContents(PassRefPtrWillBeRawPtr<Node> node)
78{
79    // Force renderers to be created; TextIterator, which is used in
80    // DocumentMarkerControllerTest::addMarker(), needs them.
81    document().updateLayout();
82    RefPtrWillBeRawPtr<Range> range = rangeOfContents(node.get());
83    markerController().addMarker(range.get(), DocumentMarker::Spelling);
84}
85
86void DocumentMarkerControllerTest::setBodyInnerHTML(const char* bodyContent)
87{
88    document().body()->setInnerHTML(String::fromUTF8(bodyContent), ASSERT_NO_EXCEPTION);
89}
90
91TEST_F(DocumentMarkerControllerTest, DidMoveToNewDocument)
92{
93    setBodyInnerHTML("<b><i>foo</i></b>");
94    RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
95    markNodeContents(parent.get());
96    EXPECT_EQ(1u, markerController().markers().size());
97    RefPtrWillBePersistent<Document> anotherDocument = Document::create();
98    anotherDocument->adoptNode(parent.get(), ASSERT_NO_EXCEPTION);
99
100    // No more reference to marked node.
101    Heap::collectAllGarbage();
102    EXPECT_EQ(0u, markerController().markers().size());
103    EXPECT_EQ(0u, anotherDocument->markers().markers().size());
104}
105
106TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedMarkedByNormalize)
107{
108    setBodyInnerHTML("<b><i>foo</i></b>");
109    {
110        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
111        parent->appendChild(createTextNode("bar").get());
112        markNodeContents(parent.get());
113        EXPECT_EQ(2u, markerController().markers().size());
114        parent->normalize();
115    }
116    // No more reference to marked node.
117    Heap::collectAllGarbage();
118    EXPECT_EQ(1u, markerController().markers().size());
119}
120
121TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedMarkedByRemoveChildren)
122{
123    setBodyInnerHTML("<b><i>foo</i></b>");
124    RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
125    markNodeContents(parent.get());
126    EXPECT_EQ(1u, markerController().markers().size());
127    parent->removeChildren();
128    // No more reference to marked node.
129    Heap::collectAllGarbage();
130    EXPECT_EQ(0u, markerController().markers().size());
131}
132
133TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedByRemoveMarked)
134{
135    setBodyInnerHTML("<b><i>foo</i></b>");
136    {
137        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
138        markNodeContents(parent);
139        EXPECT_EQ(1u, markerController().markers().size());
140        parent->removeChild(parent->firstChild());
141    }
142    // No more reference to marked node.
143    Heap::collectAllGarbage();
144    EXPECT_EQ(0u, markerController().markers().size());
145}
146
147TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedMarkedByRemoveAncestor)
148{
149    setBodyInnerHTML("<b><i>foo</i></b>");
150    {
151        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
152        markNodeContents(parent);
153        EXPECT_EQ(1u, markerController().markers().size());
154        parent->parentNode()->parentNode()->removeChild(parent->parentNode());
155    }
156    // No more reference to marked node.
157    Heap::collectAllGarbage();
158    EXPECT_EQ(0u, markerController().markers().size());
159}
160
161TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedMarkedByRemoveParent)
162{
163    setBodyInnerHTML("<b><i>foo</i></b>");
164    {
165        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
166        markNodeContents(parent);
167        EXPECT_EQ(1u, markerController().markers().size());
168        parent->parentNode()->removeChild(parent.get());
169    }
170    // No more reference to marked node.
171    Heap::collectAllGarbage();
172    EXPECT_EQ(0u, markerController().markers().size());
173}
174
175TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedMarkedByReplaceChild)
176{
177    setBodyInnerHTML("<b><i>foo</i></b>");
178    {
179        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
180        markNodeContents(parent.get());
181        EXPECT_EQ(1u, markerController().markers().size());
182        parent->replaceChild(createTextNode("bar").get(), parent->firstChild());
183    }
184    // No more reference to marked node.
185    Heap::collectAllGarbage();
186    EXPECT_EQ(0u, markerController().markers().size());
187}
188
189TEST_F(DocumentMarkerControllerTest, NodeWillBeRemovedBySetInnerHTML)
190{
191    setBodyInnerHTML("<b><i>foo</i></b>");
192    {
193        RefPtrWillBeRawPtr<Element> parent = toElement(document().body()->firstChild()->firstChild());
194        markNodeContents(parent);
195        EXPECT_EQ(1u, markerController().markers().size());
196        setBodyInnerHTML("");
197    }
198    // No more reference to marked node.
199    Heap::collectAllGarbage();
200    EXPECT_EQ(0u, markerController().markers().size());
201}
202
203}
204