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23 
24 /*
25   @test
26   @key headful
27   @bug 6429174
28   @summary Tests that mouse click at the are of intersection of two
29    scrollbars for text area doesn't trigger any scrolling
30   @author artem.ananiev@sun.com: area=awt.text
31   @library /test/lib
32   @build jdk.test.lib.Platform
33   @run main ScrollbarIntersectionTest
34 */
35 
36 import java.awt.*;
37 import java.awt.event.*;
38 
39 import jdk.test.lib.Platform;
40 
41 public class ScrollbarIntersectionTest
42 {
init()43     private static void init()
44     {
45 
46         Frame f = new Frame("F");
47         f.setBounds(100, 100, 480, 360);
48         f.setLayout(new BorderLayout());
49 
50         TextArea ta = new TextArea(null, 8, 24, TextArea.SCROLLBARS_BOTH);
51         // append several lines to show vertical scrollbar
52         for (int i = 0; i < 128; i++)
53         {
54             ta.append("" + i + "\n");
55         }
56         // and some characters into the last line for horizontal scrollbar
57         for (int i = 0; i < 128; i++)
58         {
59             ta.append("" + i);
60         }
61         ta.append("\n");
62         f.add(ta);
63 
64         f.setVisible(true);
65 
66         Robot r = null;
67         try
68         {
69             r = new Robot();
70             r.setAutoDelay(20);
71         }
72         catch (Exception z)
73         {
74             z.printStackTrace(System.err);
75             fail(z.getMessage());
76             return;
77         }
78         r.waitForIdle();
79 
80         ta.setCaretPosition(0);
81         r.waitForIdle();
82 
83         Point p = ta.getLocationOnScreen();
84         Dimension d = ta.getSize();
85 
86         int fh = 8;
87         Graphics g = ta.getGraphics();
88         try
89         {
90             FontMetrics fm = g.getFontMetrics();
91             fh = fm.getHeight();
92         }
93         finally
94         {
95             if (g != null)
96             {
97                 g.dispose();
98             }
99         };
100 
101         r.mouseMove(p.x + d.width - 2, p.y + d.height - 2);
102         r.mousePress(InputEvent.BUTTON1_MASK);
103         r.mouseRelease(InputEvent.BUTTON1_MASK);
104         r.waitForIdle();
105 
106         // select 1st line in the text area
107         r.mouseMove(p.x + 2, p.y + 2 + fh / 2);
108         r.mousePress(InputEvent.BUTTON1_MASK);
109         for (int i = 0; i < d.width - 4; i += 4)
110         {
111             r.mouseMove(p.x + 2 + i, p.y + 2 + fh / 2);
112         }
113         r.mouseRelease(InputEvent.BUTTON1_MASK);
114         r.waitForIdle();
115 
116         String sel = ta.getSelectedText();
117         System.err.println("Selected text: " + sel);
118         if ((sel == null) || !sel.startsWith("0"))
119         {
120             fail("Test FAILED: TextArea is scrolled");
121             return;
122         }
123 
124         pass();
125     }
126 
127     private static boolean theTestPassed = false;
128     private static boolean testGeneratedInterrupt = false;
129     private static String failureMessage = "";
130 
131     private static Thread mainThread = null;
132 
133     private static int sleepTime = 300000;
134 
main( String args[] )135     public static void main( String args[] ) throws InterruptedException
136     {
137         if (Platform.isOSX()) {
138             // On OS X, this area is commandeered by the system,
139             // and frame would be wildly resized
140             System.out.println("Not for OS X");
141             return;
142         }
143         mainThread = Thread.currentThread();
144         try
145         {
146             init();
147         }
148         catch( TestPassedException e )
149         {
150             return;
151         }
152 
153         try
154         {
155             Thread.sleep( sleepTime );
156             throw new RuntimeException( "Timed out after " + sleepTime/1000 + " seconds" );
157         }
158         catch (InterruptedException e)
159         {
160             if( ! testGeneratedInterrupt ) throw e;
161 
162             testGeneratedInterrupt = false;
163 
164             if ( theTestPassed == false )
165             {
166                 throw new RuntimeException( failureMessage );
167             }
168         }
169     }
170 
setTimeoutTo( int seconds )171     public static synchronized void setTimeoutTo( int seconds )
172     {
173         sleepTime = seconds * 1000;
174     }
175 
pass()176     public static synchronized void pass()
177     {
178         if ( mainThread == Thread.currentThread() )
179         {
180             theTestPassed = true;
181             throw new TestPassedException();
182         }
183         theTestPassed = true;
184         testGeneratedInterrupt = true;
185         mainThread.interrupt();
186     }
187 
fail()188     public static synchronized void fail()
189     {
190         fail( "it just plain failed! :-)" );
191     }
192 
fail( String whyFailed )193     public static synchronized void fail( String whyFailed )
194     {
195         if ( mainThread == Thread.currentThread() )
196         {
197             throw new RuntimeException( whyFailed );
198         }
199         theTestPassed = false;
200         testGeneratedInterrupt = true;
201         failureMessage = whyFailed;
202         mainThread.interrupt();
203     }
204 }
205 
206 class TestPassedException extends RuntimeException
207 {
208 }
209