|
1
19 package org.netbeans.core;
20
21 import java.awt.KeyboardFocusManager  ;
22 import java.awt.Window ;
23 import java.lang.ref.WeakReference ;
24 import java.util.logging.Level ;
25 import java.util.logging.Logger ;
26 import javax.swing.JFrame ;
27 import javax.swing.SwingUtilities ;
28 import org.netbeans.junit.NbTestCase;
29 import org.openide.windows.TopComponent;
30
31
35 public class NbClipboardTest extends NbTestCase {
36
37 public NbClipboardTest(String testName) {
38 super(testName);
39 }
40
41 protected void setUp() throws Exception {
42 System.getProperties().remove("netbeans.slow.system.clipboard.hack");
43 }
44
45 protected void tearDown() throws Exception {
46 }
47
48 public void testDefaultOnJDK15AndLater() {
49 if (System.getProperty("java.version").startsWith("1.4")) {
50 return;
51 }
52
53 NbClipboard ec = new NbClipboard();
54 assertTrue("By default we still do use slow hacks", ec.slowSystemClipboard);
55 }
56 public void testPropOnJDK15AndLater() {
57 if (System.getProperty("java.version").startsWith("1.4")) {
58 return;
59 }
60
61 System.setProperty("netbeans.slow.system.clipboard.hack", "false");
62
63 NbClipboard ec = new NbClipboard();
64 assertFalse("Property overrides default", ec.slowSystemClipboard);
65 assertEquals("sun.awt.datatransfer.timeout is now 1000", "1000", System.getProperty("sun.awt.datatransfer.timeout"));
66 }
67
68 public void testMemoryLeak89844() throws Exception {
69 class Safe implements Runnable {
70 WeakReference <Object > ref;
71 Window w;
72 TopComponent tc;
73
74
75 public void beforeAWT() throws InterruptedException {
76 NbClipboard ec = new NbClipboard();
77
78 tc = new TopComponent();
79 tc.open();
80
81 for(;;) {
82 w = SwingUtilities.getWindowAncestor(tc);
83 if (w != null && w.isVisible()) {
84 break;
85 }
86 Thread.sleep(100);
87 }
88
89 tc.close();
90 w.dispose();
91
92 JFrame f = new JFrame ("Focus stealer");
94 f.setVisible(true);
95 f.pack();
96 f.toFront();
97 f.requestFocus();
98 f.requestFocusInWindow();
99 }
100
101 public void run() {
102 KeyboardFocusManager.getCurrentKeyboardFocusManager().clearGlobalFocusOwner();
103
104 ref = new WeakReference <Object >(w);
105 w = null;
106 tc = null;
107 }
108 }
109
110 Safe safe = new Safe();
111
112 safe.beforeAWT();
113 SwingUtilities.invokeAndWait(safe);
114
115 try {
116 assertGC("Top component can disappear", safe.ref);
117 } catch (junit.framework.AssertionFailedError ex) {
118 if (ex.getMessage().indexOf("NbClipboard") >= 0) {
119 throw ex;
120 }
121 Logger.getAnonymousLogger().log(Level.WARNING, "Cannot do GC, but not due to NbClipboard itself", ex);
122 }
123 }
124
125 private static void waitEQ(final Window w) throws Exception {
126 class R implements Runnable {
127 boolean visible;
128
129 public void run() {
130 visible = w.isShowing();
131 }
132 }
133 R r = new R();
134 while (!r.visible) {
135 SwingUtilities.invokeAndWait(r);
136 }
137 }
138 }
139 |
Popular Tags |
Java API By Example, From Geeks To Geeks.