Source Code Cross Referenced for BoxViewTest.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 java.awt.Rectangle;
023:        import javax.swing.BasicSwingTestCase;
024:
025:        public class BoxViewTest extends BasicSwingTestCase {
026:            private Document doc;
027:
028:            private Element root;
029:
030:            private BoxView view;
031:
032:            /*
033:             * @see TestCase#setUp()
034:             */
035:            @Override
036:            protected void setUp() throws Exception {
037:                super .setUp();
038:                doc = new PlainDocument();
039:                doc.insertString(0, "line1\nline\t2", null);
040:                root = doc.getDefaultRootElement();
041:                view = new BoxView(root, View.X_AXIS);
042:            }
043:
044:            public void testGetAlignment() {
045:                assertEquals(0.5f, view.getAlignment(View.X_AXIS), 0.00001f);
046:                assertEquals(0.5f, view.getAlignment(View.Y_AXIS), 0.00001f);
047:                try {
048:                    view.getAlignment(3);
049:                    fail("IllegalArgumentException must be thrown");
050:                } catch (IllegalArgumentException e) {
051:                }
052:            }
053:
054:            public void testPreferenceChanged() {
055:                view.layout(width, height);
056:                assertTrue(view.isLayoutValid(View.X_AXIS));
057:                assertTrue(view.isLayoutValid(View.Y_AXIS));
058:                view.preferenceChanged(null, true, false);
059:                assertFalse(view.isLayoutValid(View.X_AXIS));
060:                assertTrue(view.isLayoutValid(View.Y_AXIS));
061:                view.layout(width, height);
062:                view.preferenceChanged(null, false, true);
063:                assertTrue(view.isLayoutValid(View.X_AXIS));
064:                assertFalse(view.isLayoutValid(View.Y_AXIS));
065:            }
066:
067:            public void testReplace() {
068:                // Check child cound and size of the cache of allocations
069:                assertEquals(0, view.getViewCount());
070:                try {
071:                    view.getOffset(view.getAxis(), 0);
072:                    fail("ArrayIndexOutOfBoundsException is expected");
073:                } catch (ArrayIndexOutOfBoundsException e) {
074:                }
075:                try {
076:                    view.getSpan(view.getAxis(), 0);
077:                    fail("ArrayIndexOutOfBoundsException is expected");
078:                } catch (ArrayIndexOutOfBoundsException e) {
079:                }
080:                // Do layout and check it became valid
081:                view.layout(width, height);
082:                assertTrue(view.isLayoutValid(View.X_AXIS));
083:                assertTrue(view.isLayoutValid(View.Y_AXIS));
084:                // Add two children into the view
085:                view.replace(0, 0, new View[] { new PlainView(root),
086:                        new PlainView(root) });
087:                // Check the side effects
088:                assertFalse(view.isLayoutValid(View.X_AXIS));
089:                assertFalse(view.isLayoutValid(View.Y_AXIS));
090:                // Now we can get offset and span of child at index 1
091:                view.getOffset(view.getAxis(), 1);
092:                view.getSpan(view.getAxis(), 1);
093:                // ...but can't get ones of child at index 2 as it doesn't exist
094:                try {
095:                    view.getOffset(view.getAxis(), 2);
096:                    fail("ArrayIndexOutOfBoundsException is expected");
097:                } catch (ArrayIndexOutOfBoundsException e) {
098:                }
099:                try {
100:                    view.getSpan(view.getAxis(), 2);
101:                    fail("ArrayIndexOutOfBoundsException is expected");
102:                } catch (ArrayIndexOutOfBoundsException e) {
103:                }
104:            }
105:
106:            private static void assertCalled(final boolean[] called,
107:                    final boolean layout, final boolean major,
108:                    final boolean minor) {
109:                assertEquals(layout, called[0]);
110:                assertEquals(major, called[1]);
111:                assertEquals(minor, called[2]);
112:                // Reset flags
113:                called[0] = called[1] = called[2] = false;
114:            }
115:
116:            public void testSetSize() {
117:                final boolean[] called = new boolean[] { false, false, false };
118:                view = new BoxView(root, View.X_AXIS) {
119:                    @Override
120:                    public void layout(final int w, final int h) {
121:                        assertEquals(width - getLeftInset() - getRightInset(),
122:                                w);
123:                        assertEquals(height - getTopInset() - getBottomInset(),
124:                                h);
125:                        called[0] = true;
126:                        super .layout(w, h);
127:                    }
128:
129:                    @Override
130:                    protected void layoutMajorAxis(final int targetSpan,
131:                            final int axis, final int[] offsets,
132:                            final int[] spans) {
133:                        called[1] = true;
134:                        super .layoutMajorAxis(targetSpan, axis, offsets, spans);
135:                    }
136:
137:                    @Override
138:                    protected void layoutMinorAxis(final int targetSpan,
139:                            final int axis, final int[] offsets,
140:                            final int[] spans) {
141:                        called[2] = true;
142:                        super .layoutMinorAxis(targetSpan, axis, offsets, spans);
143:                    }
144:                };
145:                view.setSize(width, height);
146:                assertCalled(called, true, true, true);
147:                // Call with same sizes doesn't do the layout itself
148:                view.setSize(width, height);
149:                assertCalled(called, true, false, false);
150:                // Set only left inset, layout of the major axis (X) must be updated
151:                view.setInsets((short) 0, (short) 1, (short) 0, (short) 0);
152:                view.setSize(width, height);
153:                assertCalled(called, true, true, false);
154:                // Set new insets and try again
155:                view.setParagraphInsets(CompositeViewTest.getAttributeSet());
156:                view.setSize(width, height);
157:                assertCalled(called, true, true, true);
158:            }
159:
160:            /**
161:             * Rectangle that is used in tests of is{After,Before}.
162:             */
163:            private static final Rectangle rect = new Rectangle(10, 15, 20, 30);
164:
165:            /**
166:             * Tests isAfter with default axis value of X.
167:             *
168:             * Differences in values are marked with asterisk in trailing comment.
169:             */
170:            public void testIsAfter01() {
171:                assertEquals(View.X_AXIS, view.getAxis());
172:                assertFalse(view.isAfter(0, 0, rect));
173:                assertFalse(view.isAfter(9, 0, rect));
174:                assertFalse(view.isAfter(0, 14, rect));
175:                assertFalse(view.isAfter(9, 14, rect));
176:                assertFalse(view.isAfter(9, 15, rect));
177:                assertFalse(view.isAfter(9, 35, rect));
178:                assertFalse(view.isAfter(10, 14, rect));
179:                assertFalse(view.isAfter(10, 15, rect));
180:                assertFalse(view.isAfter(20, 15, rect));
181:                assertFalse(view.isAfter(20, 14, rect));
182:                assertFalse(view.isAfter(20, 45, rect));
183:                assertFalse(view.isAfter(20, 46, rect)); // *
184:                assertFalse(view.isAfter(20, 50, rect)); // *
185:                assertFalse(view.isAfter(30, 20, rect));
186:                assertTrue(view.isAfter(31, 20, rect)); // *
187:                assertTrue(view.isAfter(31, 15, rect)); // *
188:                assertTrue(view.isAfter(31, 0, rect)); // *
189:            }
190:
191:            /**
192:             * Tests isAfter with axis value set to Y.
193:             *
194:             * Differences in values are marked with asterisk in trailing comment.
195:             */
196:            public void testIsAfter02() {
197:                view.setAxis(View.Y_AXIS);
198:                assertFalse(view.isAfter(0, 0, rect));
199:                assertFalse(view.isAfter(9, 0, rect));
200:                assertFalse(view.isAfter(0, 14, rect));
201:                assertFalse(view.isAfter(9, 14, rect));
202:                assertFalse(view.isAfter(9, 15, rect));
203:                assertFalse(view.isAfter(9, 35, rect));
204:                assertFalse(view.isAfter(10, 14, rect));
205:                assertFalse(view.isAfter(10, 15, rect));
206:                assertFalse(view.isAfter(20, 15, rect));
207:                assertFalse(view.isAfter(20, 14, rect));
208:                assertFalse(view.isAfter(20, 45, rect));
209:                assertTrue(view.isAfter(20, 46, rect)); // *
210:                assertTrue(view.isAfter(20, 50, rect)); // *
211:                assertFalse(view.isAfter(30, 20, rect));
212:                assertFalse(view.isAfter(31, 20, rect)); // *
213:                assertFalse(view.isAfter(31, 15, rect)); // *
214:                assertFalse(view.isAfter(31, 0, rect)); // *
215:            }
216:
217:            /**
218:             * Tests isBefore with default axis value of X.
219:             *
220:             * Differences in values are marked with asterisk in trailing comment.
221:             */
222:            public void testIsBefore01() {
223:                assertTrue(view.isBefore(0, 0, rect));
224:                assertTrue(view.isBefore(9, 0, rect));
225:                assertTrue(view.isBefore(0, 14, rect));
226:                assertTrue(view.isBefore(9, 14, rect));
227:                assertTrue(view.isBefore(9, 15, rect)); // *
228:                assertTrue(view.isBefore(9, 35, rect)); // *
229:                assertFalse(view.isBefore(10, 14, rect)); // *
230:                assertFalse(view.isBefore(10, 15, rect));
231:                assertFalse(view.isBefore(20, 15, rect));
232:                assertFalse(view.isBefore(20, 14, rect)); // *
233:            }
234:
235:            /**
236:             * Tests isBefore with axis value set to Y.
237:             *
238:             * Differences in values are marked with asterisk in trailing comment.
239:             */
240:            public void testIsBefore02() {
241:                view.setAxis(View.Y_AXIS);
242:                assertTrue(view.isBefore(0, 0, rect));
243:                assertTrue(view.isBefore(9, 0, rect));
244:                assertTrue(view.isBefore(0, 14, rect));
245:                assertTrue(view.isBefore(9, 14, rect));
246:                assertFalse(view.isBefore(9, 15, rect)); // *
247:                assertFalse(view.isBefore(9, 35, rect)); // *
248:                assertTrue(view.isBefore(10, 14, rect)); // *
249:                assertFalse(view.isBefore(10, 15, rect));
250:                assertFalse(view.isBefore(20, 15, rect));
251:                assertTrue(view.isBefore(20, 14, rect)); // *
252:            }
253:
254:            public void testBoxView() {
255:                view = new BoxView(root, View.X_AXIS);
256:                assertSame(root, view.getElement());
257:                assertEquals(View.X_AXIS, view.getAxis());
258:                view = new BoxView(root, View.Y_AXIS);
259:                assertSame(root, view.getElement());
260:                assertEquals(View.Y_AXIS, view.getAxis());
261:                final boolean[] setAxisCalled = new boolean[1];
262:                view = new BoxView(root, -1251) {
263:                    @Override
264:                    public void setAxis(int axis) {
265:                        setAxisCalled[0] = true;
266:                        super .setAxis(axis);
267:                    }
268:                };
269:                assertSame(root, view.getElement());
270:                assertEquals(-1251, view.getAxis());
271:                assertFalse(setAxisCalled[0]);
272:            }
273:
274:            public void testGetAxis() {
275:                assertEquals(View.X_AXIS, view.getAxis());
276:            }
277:
278:            public void testGetHeight() {
279:                assertEquals(0, view.getHeight());
280:                assertFalse(view.isLayoutValid(View.X_AXIS));
281:                view.layout(width, height);
282:                assertEquals(height, view.getHeight());
283:                view.setSize(width, height);
284:                assertEquals(height, view.getHeight());
285:                // Layout invalidation doesn't change the height
286:                view.layoutChanged(View.Y_AXIS);
287:                assertEquals(height, view.getHeight());
288:                // Put some insets
289:                view.setInsets((short) 10, (short) 0, (short) 0, (short) 0);
290:                view.setSize(width, height);
291:                if (isHarmony()) {
292:                    assertEquals(height - view.getTopInset(), view.getHeight());
293:                } else {
294:                    // The width isn't changed
295:                    assertEquals(height, view.getHeight());
296:                }
297:                view.setInsets((short) 0, (short) 0, (short) 10, (short) 0);
298:                view.setSize(width, height);
299:                if (isHarmony()) {
300:                    assertEquals(height - view.getBottomInset(), view
301:                            .getHeight());
302:                } else {
303:                    // The width is reduced by right inset twice
304:                    assertEquals(height - 2 * view.getBottomInset(), view
305:                            .getHeight());
306:                }
307:                // No matter if insets are set, layout width isn't changed
308:                view.setInsets((short) 7, (short) 0, (short) 4, (short) 0);
309:                view.layout(width, height);
310:                if (isHarmony()) {
311:                    assertEquals(height, view.getHeight());
312:                } else {
313:                    assertEquals(height
314:                            + (view.getTopInset() - view.getBottomInset()),
315:                            view.getHeight());
316:                }
317:            }
318:
319:            public void testGetWidth() {
320:                assertEquals(0, view.getWidth());
321:                assertFalse(view.isLayoutValid(View.X_AXIS));
322:                view.layout(width, height);
323:                assertEquals(width, view.getWidth());
324:                view.setSize(width, height);
325:                assertEquals(width, view.getWidth());
326:                // Layout invalidation doesn't change the width
327:                view.layoutChanged(View.X_AXIS);
328:                assertEquals(width, view.getWidth());
329:                // Put some insets
330:                view.setInsets((short) 0, (short) 10, (short) 0, (short) 0);
331:                view.setSize(width, height);
332:                if (isHarmony()) {
333:                    assertEquals(width - view.getLeftInset(), view.getWidth());
334:                } else {
335:                    // The width isn't changed
336:                    assertEquals(width, view.getWidth());
337:                }
338:                view.setInsets((short) 0, (short) 0, (short) 0, (short) 10);
339:                view.setSize(width, height);
340:                if (isHarmony()) {
341:                    assertEquals(width - view.getRightInset(), view.getWidth());
342:                } else {
343:                    // The width is reduced by right inset twice
344:                    assertEquals(width - 2 * view.getRightInset(), view
345:                            .getWidth());
346:                }
347:                // No matter if insets are set, layout width isn't changed
348:                view.setInsets((short) 0, (short) 7, (short) 0, (short) 4);
349:                view.layout(width, height);
350:                if (isHarmony()) {
351:                    assertEquals(width, view.getWidth());
352:                } else {
353:                    assertEquals(width
354:                            + (view.getLeftInset() - view.getRightInset()),
355:                            view.getWidth());
356:                }
357:            }
358:
359:            public void testIsAllocationValid() {
360:                assertFalse(view.isAllocationValid());
361:                view.layout(width, height);
362:                assertTrue(view.isAllocationValid());
363:                view.preferenceChanged(null, true, false);
364:                assertFalse(view.isAllocationValid());
365:            }
366:
367:            public void testIsLayoutValid() {
368:                assertFalse(view.isLayoutValid(View.X_AXIS));
369:                assertFalse(view.isLayoutValid(View.Y_AXIS));
370:                view.layout(width, height);
371:                assertTrue(view.isLayoutValid(View.X_AXIS));
372:                assertTrue(view.isLayoutValid(View.Y_AXIS));
373:            }
374:
375:            private final int width = 150;
376:
377:            private final int height = 325;
378:
379:            public void testLayout() {
380:                final boolean[] called = new boolean[] { false, false };
381:                view = new BoxView(root, View.X_AXIS) {
382:                    @Override
383:                    protected void layoutMajorAxis(final int targetSpan,
384:                            final int axis, final int[] offsets,
385:                            final int[] spans) {
386:                        called[0] = true;
387:                        assertEquals(width, targetSpan);
388:                        assertEquals(X_AXIS, axis);
389:                        super .layoutMajorAxis(targetSpan, axis, offsets, spans);
390:                    }
391:
392:                    @Override
393:                    protected void layoutMinorAxis(final int targetSpan,
394:                            final int axis, final int[] offsets,
395:                            final int[] spans) {
396:                        called[1] = true;
397:                        assertEquals(height, targetSpan);
398:                        assertEquals(Y_AXIS, axis);
399:                        super .layoutMinorAxis(targetSpan, axis, offsets, spans);
400:                    }
401:                };
402:                assertFalse(view.isLayoutValid(View.X_AXIS));
403:                assertFalse(view.isLayoutValid(View.Y_AXIS));
404:                view.layout(width, height);
405:                assertTrue(view.isLayoutValid(View.X_AXIS));
406:                assertTrue(view.isLayoutValid(View.Y_AXIS));
407:                assertTrue(called[0]);
408:                called[0] = false;
409:                assertTrue(called[1]);
410:                called[1] = false;
411:                view.preferenceChanged(null, true, false);
412:                assertFalse(view.isLayoutValid(View.X_AXIS));
413:                assertTrue(view.isLayoutValid(View.Y_AXIS));
414:                view.layout(width, height);
415:                assertTrue(called[0]);
416:                called[0] = false;
417:                assertFalse(called[1]);
418:                called[1] = false;
419:            }
420:
421:            /**
422:             * Tests that <code>layoutChanged</code> isn't called
423:             * when width or height passed to
424:             * <code>layout</code> is changed.
425:             */
426:            public void testLayout02() {
427:                final boolean[] called = new boolean[] { false };
428:                view = new BoxView(root, View.X_AXIS) {
429:                    @Override
430:                    public void layoutChanged(int axis) {
431:                        called[0] = false;
432:                        super .layoutChanged(axis);
433:                    }
434:                };
435:                assertFalse(view.isLayoutValid(View.X_AXIS));
436:                assertFalse(view.isLayoutValid(View.Y_AXIS));
437:                view.layout(width, height);
438:                assertTrue(view.isLayoutValid(View.X_AXIS));
439:                assertTrue(view.isLayoutValid(View.Y_AXIS));
440:                assertFalse(called[0]);
441:                view.layout(width, height);
442:                assertFalse(called[0]);
443:                view.layout(width - 10, height);
444:                assertFalse(called[0]);
445:                view.layout(width - 10, height - 20);
446:                assertFalse(called[0]);
447:            }
448:
449:            public void testLayoutChanged() {
450:                view.layout(width, height);
451:                assertTrue(view.isLayoutValid(View.X_AXIS));
452:                assertTrue(view.isLayoutValid(View.Y_AXIS));
453:                view.layoutChanged(View.Y_AXIS);
454:                assertTrue(view.isLayoutValid(View.X_AXIS));
455:                assertFalse(view.isLayoutValid(View.Y_AXIS));
456:            }
457:
458:            public void testSetAxis() {
459:                view.setAxis(View.Y_AXIS);
460:                assertEquals(View.Y_AXIS, view.getAxis());
461:                view.setAxis(View.X_AXIS);
462:                assertEquals(View.X_AXIS, view.getAxis());
463:                view.setAxis(-1251);
464:                assertEquals(-1251, view.getAxis());
465:            }
466:            /*
467:             public void testPaint() {
468:             }
469:
470:             public void testPaintChild() {
471:             }
472:             */
473:        }
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