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1
19
20 package org.openide.awt;
21
22 import java.awt.Color  ;
23 import java.awt.Component ;
24 import java.awt.Font ;
25 import java.awt.Graphics ;
26 import java.awt.image.BufferedImage ;
27 import java.io.IOException ;
28 import java.io.InputStream ;
29 import java.io.StringBufferInputStream ;
30 import java.io.StringReader ;
31 import java.lang.reflect.InvocationTargetException ;
32 import java.net.HttpURLConnection ;
33 import java.net.URL ;
34 import java.net.URLConnection ;
35 import java.net.URLStreamHandler ;
36 import java.util.concurrent.Semaphore ;
37 import javax.swing.JFrame ;
38 import javax.swing.SwingUtilities ;
39 import junit.framework.TestCase;
40
41
45 public class SwingBrowserTest extends TestCase {
46
47 public SwingBrowserTest(String testName) {
48 super(testName);
49 }
50
51 protected void setUp() throws Exception {
52
53 }
54
55 public void testSimpleUseOfBrowser() throws Exception {
56 System.out.println("testSimpleUseOfBrowser");
57 final HtmlBrowser.Impl impl = new SwingBrowserImpl();
59 final JFrame f = new JFrame ();
60 final URL url = new URL ("test", "localhost", -1, "simple", new MyStreamHandler());
61
62 SwingUtilities.invokeAndWait(new Runnable () {
63 public void run() {
64 Component comp = impl.getComponent();
65 f.add(comp);
66 f.setVisible(true);
67 impl.setURL(url);
68 }
69 });
70 waitForLoading(url, f, impl);
71
72 }
73
74 public void testDeadlockWithDebug() throws Exception {
75 System.out.println("testDeadlockWithDebug");
76 String oldPropValue = System.getProperty("org.openide.awt.SwingBrowserImpl.do-not-block-awt");
78 System.setProperty("org.openide.awt.SwingBrowserImpl.do-not-block-awt", "true");
79
80 final HtmlBrowser.Impl impl = new SwingBrowserImpl();
81 final JFrame f = new JFrame ();
82 final Semaphore s = new Semaphore (1);
83 final URL url = new URL ("test", "localhost", -1, "simple", new MyStreamHandler(s, null));
84
85 s.acquire();
86 SwingUtilities.invokeAndWait(new Runnable () {
87 public void run() {
88 Component comp = impl.getComponent();
89 f.add(comp);
90 f.setVisible(true);
91 impl.setURL(url);
92 }
93 });
94 System.out.println("browser visible, URL set");
95
97 SwingUtilities.invokeAndWait(new Runnable () {
100 public void run() {
101 impl.reloadDocument();
102 }
103 });
104 System.out.println("reload called");
105 s.release();
106 System.setProperty("org.openide.awt.SwingBrowserImpl.do-not-block-awt", (oldPropValue != null)? oldPropValue: "false");
107
108 waitForLoading(url, f, impl);
109 }
110
111 public void testDeadlockWithDebugWithoutProperty() throws Exception {
112 System.out.println("testDeadlockWithDebug");
113
115 final HtmlBrowser.Impl impl = new SwingBrowserImpl();
116 final JFrame f = new JFrame ();
117 final Semaphore s = new Semaphore (1);
118 final URL url = new URL ("test", "localhost", -1, "simple", new MyStreamHandler(s, null));
119
120 s.acquire();
121 SwingUtilities.invokeAndWait(new Runnable () {
122 public void run() {
123 Component comp = impl.getComponent();
124 f.add(comp);
125 f.setVisible(true);
126 impl.setURL(url);
127 }
128 });
129 System.out.println("browser visible, URL set");
130
132 SwingUtilities.invokeAndWait(new Runnable () {
135 public void run() {
136 impl.reloadDocument();
137 }
138 });
139 System.out.println("reload called");
140 s.release();
141
142 waitForLoading(url, f, impl);
143 }
144
145 public void testDeadlockWithJdk6() throws Exception {
146 System.out.println("testDeadlockWithJdk6");
147 final HtmlBrowser.Impl impl = new SwingBrowserImpl();
150 final JFrame f = new JFrame ();
151 final Semaphore s = new Semaphore (1);
152 final Semaphore s2 = new Semaphore (1);
153 final URL url = new URL ("test", "localhost", -1, "simple", new MyStreamHandler(s, s2));
154 final URL url2 = new URL ("test", "localhost", -1, "simple2", new MyStreamHandler(null, null));
155
156 s.acquire();
157 SwingUtilities.invokeAndWait(new Runnable () {
158 public void run() {
159 Component comp = impl.getComponent();
160 f.add(comp);
161 f.setVisible(true);
162 impl.setURL(url);
163 }
164 });
165 System.out.println("browser visible, URL set");
166
168 SwingUtilities.invokeAndWait(new Runnable () {
169 public void run() {
170 System.out.println("before 2nd setURL");
171 s.release();
173 try {
174 s2.acquire();
175 } catch (InterruptedException ex) {
176 ex.printStackTrace();
177 fail(ex.getMessage());
178 }
179
180 impl.setURL(url2);
181 s2.release();
182 System.out.println("after 2nd setURL");
183 }
184 });
185 System.out.println("new URL requested");
186
187 SwingUtilities.invokeAndWait(new Runnable () {
188 public void run() {
189 impl.getURL();
190 }
191 });
192 System.out.println("getURL called");
193 waitForLoading(url2, f, impl);
194 }
195
196 private void waitForLoading(final URL url, final JFrame f, final HtmlBrowser.Impl impl)
197 throws InvocationTargetException , InterruptedException {
198
199 for (int i = 0; i < 10 && f.isVisible(); i++) {
200 SwingUtilities.invokeAndWait(new Runnable () {
201 public void run() {
202 URL current = impl.getURL();
203 if (url.equals(current)) {
204 f.setVisible(false);
205 f.dispose();
206 }
207 }
208 });
209 Thread.sleep(i*100);
210 }
211 }
212
213 private static class MyStreamHandler extends URLStreamHandler {
214 private Semaphore sIn;
215 private Semaphore sOut;
216
217 MyStreamHandler() {}
218 MyStreamHandler(Semaphore s, Semaphore s2) {
219 sIn = s;
220 sOut = s2;
221 try {
222 if (sOut != null) {
223 sOut.acquire();
224 }
225 } catch (InterruptedException ex) {
226 ex.printStackTrace();
227 fail(ex.getMessage());
228 }
229 }
230
231 protected URLConnection openConnection(URL u) throws IOException {
232 return new MyConnection(sIn, sOut, u);
233 }
234 }
235
236 private static class MyConnection extends HttpURLConnection {
237 private Semaphore sIn;
238 private Semaphore sOut;
239
240 protected MyConnection(Semaphore s, Semaphore s2, URL u) {
241 super(u);
242 sIn = s;
243 sOut = s2;
244 }
245
246 public void connect() throws IOException {
247 }
248
249 public InputStream getInputStream() throws IOException {
250 return new StringBufferInputStream ("blabla");
251 }
252
253 public void disconnect() {
254 }
256
257 public boolean usingProxy() {
258 return false;
259 }
260
261 public int getResponseCode() throws IOException {
262 System.out.println("connecting "+toString()+" ... isEDT = "+SwingUtilities.isEventDispatchThread());
263 if (sIn != null) {
265 try {
266 sIn.acquire();
267 if (sOut != null) {
268 sOut.release();
269 }
270 System.out.println("aquired in lock, released out "+toString());
271 } catch (InterruptedException ex) {
272 ex.printStackTrace();
273 fail(ex.getMessage());
274 }
275 sIn.release();
276 }
277 System.out.println("... connected "+toString());
278
279 return super.getResponseCode();
280 }
281
282 public String toString() {
283 return "MyConnection ["+url.toExternalForm()+" sIn "+sIn+" sOut "+sOut+"]";
284 }
285
286
287 }
288 }
289 |
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