Source Code Cross Referenced for DefaultStyledDocumentTest.java in  » Apache-Harmony-Java-SE » javax-package » javax » swing » text » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » javax package » javax.swing.text 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Licensed to the Apache Software Foundation (ASF) under one or more
003:         *  contributor license agreements.  See the NOTICE file distributed with
004:         *  this work for additional information regarding copyright ownership.
005:         *  The ASF licenses this file to You under the Apache License, Version 2.0
006:         *  (the "License"); you may not use this file except in compliance with
007:         *  the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         *  Unless required by applicable law or agreed to in writing, software
012:         *  distributed under the License is distributed on an "AS IS" BASIS,
013:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         *  See the License for the specific language governing permissions and
015:         *  limitations under the License.
016:         */
017:        /**
018:         * @author Alexey A. Ivanov
019:         * @version $Revision$
020:         */package javax.swing.text;
021:
022:        import javax.swing.BasicSwingTestCase;
023:        import javax.swing.event.DocumentEvent;
024:        import javax.swing.event.DocumentListener;
025:        import javax.swing.event.DocumentEvent.EventType;
026:        import javax.swing.text.AbstractDocument.AbstractElement;
027:        import javax.swing.text.AbstractDocument.BranchElement;
028:        import javax.swing.text.AbstractDocument.LeafElement;
029:        import javax.swing.text.DefaultStyledDocument.SectionElement;
030:
031:        public class DefaultStyledDocumentTest extends BasicSwingTestCase {
032:            protected DefaultStyledDocument doc;
033:
034:            @Override
035:            protected void setUp() throws Exception {
036:                super .setUp();
037:                doc = new DefaultStyledDocument(new StyleContext());
038:            }
039:
040:            /**
041:             * Tests <code>addDocumentListener</code> and
042:             * <code>removeDocumentListener</code> methods.
043:             */
044:            public void testAddRemoveDocumentListener()
045:                    throws BadLocationException {
046:                final class Listener implements  DocumentListener {
047:                    private boolean insert;
048:
049:                    private boolean remove;
050:
051:                    private boolean change;
052:
053:                    public void insertUpdate(DocumentEvent e) {
054:                        insert = true;
055:                    }
056:
057:                    public void removeUpdate(DocumentEvent e) {
058:                        remove = true;
059:                    }
060:
061:                    public void changedUpdate(DocumentEvent e) {
062:                        change = true;
063:                    }
064:
065:                    public void check(final boolean insert,
066:                            final boolean remove, final boolean change) {
067:                        assertEquals("Insert", insert, this .insert);
068:                        assertEquals("Remove", remove, this .remove);
069:                        assertEquals("Change", change, this .change);
070:                        this .insert = this .remove = this .change = false;
071:                    }
072:                }
073:                ;
074:                final Listener listener = new Listener();
075:                final AttributeSet attrs = new SimpleAttributeSet();
076:                StyleConstants.setFontSize((MutableAttributeSet) attrs, 36);
077:                // The listener has not been added to the document yet
078:                doc.insertString(0, "1", null);
079:                listener.check(false, false, false);
080:                doc.remove(0, 1);
081:                listener.check(false, false, false);
082:                doc.setCharacterAttributes(0, 1, attrs, false);
083:                listener.check(false, false, false);
084:                // The listener has been added to the document
085:                doc.addDocumentListener(listener);
086:                doc.insertString(0, "1", null);
087:                listener.check(true, false, false);
088:                doc.remove(0, 1);
089:                listener.check(false, true, false);
090:                doc.setCharacterAttributes(0, 1, attrs, false);
091:                listener.check(false, false, true);
092:                // The listener has been removed from the document
093:                doc.removeDocumentListener(listener);
094:                doc.insertString(0, "1", null);
095:                listener.check(false, false, false);
096:                doc.remove(0, 1);
097:                listener.check(false, false, false);
098:                doc.setCharacterAttributes(0, 1, attrs, false);
099:                listener.check(false, false, false);
100:            }
101:
102:            public void testGetDefaultRootElement() {
103:                assertTrue(doc.getDefaultRootElement() instanceof  SectionElement);
104:            }
105:
106:            /*
107:             * DefaultStyledDocument()
108:             */
109:            public void testDefaultStyledDocument() {
110:                doc = new DefaultStyledDocument();
111:                assertEquals(DefaultStyledDocument.BUFFER_SIZE_DEFAULT,
112:                        ((GapContent) doc.getContent()).getArrayLength());
113:            }
114:
115:            /*
116:             * DefaultStyledDocument(AbstractDocument.Content, StyleContext)
117:             */
118:            public void testDefaultStyledDocumentContentStyleContext() {
119:                StyleContext styles = new StyleContext();
120:                doc = new DefaultStyledDocument(new GapContent(10), styles);
121:                assertEquals(10, ((GapContent) doc.getContent())
122:                        .getArrayLength());
123:                Element root = doc.getDefaultRootElement();
124:                assertTrue(root instanceof  SectionElement);
125:                assertEquals(1, root.getElementCount());
126:                Element child = root.getElement(0);
127:                assertTrue(child instanceof  BranchElement);
128:                assertEquals(1, child.getElementCount());
129:                assertTrue(child.getElement(0) instanceof  LeafElement);
130:                assertSame(styles, doc.getAttributeContext());
131:                assertSame(styles.getStyle(StyleContext.DEFAULT_STYLE), child
132:                        .getAttributes().getResolveParent());
133:            }
134:
135:            /*
136:             * DefaultStyledDocument(StyleContext)
137:             */
138:            public void testDefaultStyledDocumentStyleContext() {
139:                StyleContext styles = new StyleContext();
140:                doc = new DefaultStyledDocument(styles);
141:                DefaultStyledDocument anotherDoc = new DefaultStyledDocument(
142:                        styles);
143:                assertSame(doc.getAttributeContext(), anotherDoc
144:                        .getAttributeContext());
145:            }
146:
147:            public void testCreateDefaultRoot() {
148:                AbstractElement defRoot = doc.createDefaultRoot();
149:                assertTrue(defRoot instanceof  SectionElement);
150:                assertEquals(0, defRoot.getAttributeCount());
151:                assertEquals(1, defRoot.getElementCount());
152:                assertTrue(defRoot.getElement(0) instanceof  BranchElement);
153:            }
154:
155:            /**
156:             * Tests AbstractDocument.insertString() in respect to handling
157:             * of filterNewLine property.
158:             * <p><i>The property has no effect.</i></p>
159:             */
160:            public void testInsertString() throws BadLocationException {
161:                final String content = "one\ntwo\nthree";
162:                final String filterNewLinesProperty = "filterNewlines";
163:                doc.insertString(0, content, null);
164:                assertNull(getNewLineProperty());
165:                assertEquals(content, getText());
166:                doc.remove(0, doc.getLength());
167:                doc.putProperty(filterNewLinesProperty, Boolean.TRUE);
168:                doc.insertString(0, content, null);
169:                assertSame(Boolean.TRUE, getNewLineProperty());
170:                assertEquals(content, getText());
171:                doc.remove(0, doc.getLength());
172:                doc.putProperty(filterNewLinesProperty, Boolean.FALSE);
173:                doc.insertString(0, content, null);
174:                assertSame(Boolean.FALSE, getNewLineProperty());
175:                assertEquals(content, getText());
176:            }
177:
178:            public void testSerializable() throws Exception {
179:                final String text = "some sample text";
180:                doc.insertString(0, text, DefStyledDoc_Helpers.bold);
181:                doc = (DefaultStyledDocument) BasicSwingTestCase
182:                        .serializeObject(doc);
183:                final Element root = doc.getDefaultRootElement();
184:                assertEquals(1, root.getElementCount());
185:                final Element paragraph = root.getElement(0);
186:                assertEquals(2, paragraph.getElementCount());
187:                final Element character = paragraph.getElement(0);
188:                assertEquals(0, character.getStartOffset());
189:                assertEquals(text.length(), character.getEndOffset());
190:                assertTrue(character.getAttributes().isEqual(
191:                        DefStyledDoc_Helpers.bold));
192:                assertEquals(text.length() + 1, paragraph.getEndOffset());
193:                assertEquals(text, doc.getText(0, doc.getLength()));
194:                // Check that ElementBuffer is also functional
195:                doc.writeLock();
196:                try {
197:                    doc.buffer.change(2, 6, doc.new DefaultDocumentEvent(2, 6,
198:                            EventType.CHANGE));
199:                    assertEquals(4, paragraph.getElementCount());
200:                    doc.buffer.remove(2, 6, doc.new DefaultDocumentEvent(2, 6,
201:                            EventType.REMOVE));
202:                    assertEquals(3, paragraph.getElementCount());
203:                } finally {
204:                    doc.writeUnlock();
205:                }
206:                doc.insertString(0, "1\n2\n3\n", null);
207:                for (int i = 0; i < root.getElementCount(); i++) {
208:                    Element branch = root.getElement(i);
209:                    assertEquals("root.children[" + i + "].attributes.count",
210:                            1, branch.getAttributes().getAttributeCount());
211:                    assertNotNull("root.children[" + i
212:                            + "].attributes.getResolver()", branch
213:                            .getAttributes().getResolveParent());
214:                }
215:            }
216:
217:            private Object getNewLineProperty() {
218:                return doc.getProperty("filterNewlines");
219:            }
220:
221:            private String getText() throws BadLocationException {
222:                return doc.getText(0, doc.getLength());
223:            }
224:            /*
225:             These methods are not tested because they are tests by their side effects:
226:             insertUpdate prepares ElementSpecs and calls buffer.insert()
227:             removeUpdate has nothing to do except calling buffer.remove()
228:             public void testInsertUpdate() {
229:             }
230:
231:             public void testRemoveUpdate() {
232:             }
233:             */
234:        }
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