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kurashige23Paul Hohensee
kurashige23
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Paul Hohensee
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8222323: ChildAlwaysOnTopTest.java fails with "RuntimeException: Failed to unset alwaysOnTop"
Reviewed-by: sgehwolf Backport-of: 837928ba7955dbfd4a9c966209c3469c0fb5e195
1 parent 8cf7c96 commit b05e679

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‎jdk/test/java/awt/Window/MultiWindowApp/ChildAlwaysOnTopTest.java‎

Lines changed: 192 additions & 96 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
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/*
2-
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
2+
* Copyright (c) 2015, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
@@ -21,140 +21,236 @@
2121
* questions.
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*/
2323

24-
/**
25-
* @test @summary setAlwaysOnTop doesn't behave correctly in Linux/Solaris under
26-
* certain scenarios
24+
/*
25+
* @test
26+
* @key headful
2727
* @bug 8021961
28-
* @author Semyon Sadetsky
29-
* @run main ChildAlwaysOnTopTest
28+
* @summary To test setAlwaysOnTop functionality.
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* @run main/othervm -Dsun.java2d.uiScale=1 ChildAlwaysOnTopTest
3030
*/
3131

32-
import javax.swing.*;
33-
import java.awt.*;
32+
import java.awt.Color;
33+
import java.awt.Dialog;
34+
import java.awt.Frame;
35+
import java.awt.Window;
36+
import java.awt.Rectangle;
37+
import java.awt.Robot;
38+
import java.awt.Panel;
39+
import java.awt.Point;
40+
import java.awt.Toolkit;
41+
import java.awt.image.BufferedImage;
42+
43+
import java.io.File;
44+
import java.io.IOException;
45+
import javax.imageio.ImageIO;
46+
47+
import javax.swing.JDialog;
48+
import javax.swing.JLabel;
49+
import javax.swing.SwingUtilities;
3450

3551
public class ChildAlwaysOnTopTest {
3652

3753
private static Window win1;
3854
private static Window win2;
3955
private static Point point;
56+
private static Robot robot;
57+
private static int caseNo = 0;
58+
private static StringBuffer errorLog = new StringBuffer();
59+
private static String[] errorMsg= new String[] {
60+
" Scenario 1 Failed: alwaysOnTop window is sent back by another" +
61+
" child window with setVisible().",
62+
" Scenario 2 Failed: alwaysOnTop window is" +
63+
" sent back by another child window with toFront().",
64+
" Scenario 3 Failed: Failed to unset alwaysOnTop ",
65+
};
4066

4167
public static void main(String[] args) throws Exception {
42-
if( Toolkit.getDefaultToolkit().isAlwaysOnTopSupported() ) {
4368

69+
if (!Toolkit.getDefaultToolkit().isAlwaysOnTopSupported()) {
70+
System.out.println("alwaysOnTop not supported by: "+
71+
Toolkit.getDefaultToolkit().getClass().getName());
72+
return;
73+
}
4474

45-
test(null);
75+
// CASE 1 - JDialog without parent/owner
76+
System.out.println("Testing CASE 1: JDialog without parent/owner");
77+
caseNo = 1;
78+
test(null);
79+
System.out.println("CASE 1 Completed");
80+
System.out.println();
4681

47-
Window f = new Frame();
48-
f.setBackground(Color.darkGray);
49-
f.setSize(500, 500);
50-
try {
51-
test(f);
52-
} finally {
53-
f.dispose();
54-
}
82+
// CASE 2 - JDialog with JFrame as owner
83+
System.out.println("Testing CASE 2: JDialog with JFrame as owner");
84+
caseNo = 2;
85+
Window f = new Frame();
86+
f.setBackground(Color.darkGray);
87+
f.setSize(500, 500);
88+
try {
89+
test(f);
90+
} finally {
91+
f.dispose();
92+
}
93+
System.out.println("CASE 2 Completed");
94+
System.out.println();
5595

56-
f = new Frame();
57-
f.setBackground(Color.darkGray);
58-
f.setSize(500, 500);
59-
f.setVisible(true);
60-
f = new Dialog((Frame)f);
61-
try {
62-
test(f);
63-
} finally {
64-
((Frame)f.getParent()).dispose();
65-
}
96+
// CASE 3 - JDialog within another JDialog as owner
97+
System.out.println("Testing CASE 3:Dialog within another"+
98+
" JDialog as owner");
99+
caseNo = 3;
100+
f = new Frame();
101+
f.setBackground(Color.darkGray);
102+
f.setSize(500, 500);
103+
f.setVisible(true);
104+
f = new Dialog((Frame)f);
105+
try {
106+
test(f);
107+
} finally {
108+
((Frame)f.getParent()).dispose();
109+
}
110+
System.out.println("CASE 3 Completed");
111+
System.out.println();
112+
113+
if (errorLog.length() == 0) {
114+
System.out.println("All three cases passed !!");
115+
}
116+
else {
117+
throw new RuntimeException("Following cases and scenarios failed."+
118+
" Please check the saved screenshots.\n"+ errorLog);
66119
}
67-
System.out.println("ok");
68120
}
69121

70122
public static void test(Window parent) throws Exception {
71-
SwingUtilities.invokeAndWait(new Runnable() {
72-
@Override
73-
public void run() {
74-
win1 = parent == null ? new JDialog() : new JDialog(parent);
75-
win1.setName("top");
76-
win2 = parent == null ? new JDialog() : new JDialog(parent);
77-
win2.setName("behind");
78-
win1.setSize(200, 200);
79-
Panel panel = new Panel();
80-
panel.setBackground(Color.GREEN);
81-
win1.add(panel);
82-
panel = new Panel();
83-
panel.setBackground(Color.RED);
84-
win2.add(panel);
85-
win1.setAlwaysOnTop(true);
86-
win2.setAlwaysOnTop(false);
87-
win1.setVisible(true);
88-
}
89-
});
123+
try {
124+
SwingUtilities.invokeAndWait(new Runnable() {
125+
@Override
126+
public void run() {
127+
win1 = parent == null ? new JDialog() : new JDialog(parent);
128+
win1.setName("Top");
90129

91-
Robot robot = new Robot();
92-
robot.delay(200);
93-
robot.waitForIdle();
130+
win2 = parent == null ? new JDialog() : new JDialog(parent);
131+
win2.setName("Behind");
132+
133+
JLabel label = new JLabel("TOP WINDOW");
134+
// top window - green and smaller
135+
win1.setSize(200, 200);
136+
Panel panel = new Panel();
137+
panel.setBackground(Color.GREEN);
138+
panel.add(label);
139+
win1.add(panel);
140+
win1.setAlwaysOnTop(true);
94141

95-
SwingUtilities.invokeAndWait(new Runnable() {
96-
@Override
97-
public void run() {
142+
// behind window - red and bigger
143+
label = new JLabel("BEHIND WINDOW");
144+
win2.setSize(300, 300);
145+
panel = new Panel();
146+
panel.setBackground(Color.RED);
147+
panel.add(label);
148+
win2.add(panel);
149+
150+
win1.setVisible(true);
151+
win2.setVisible(true);
152+
}
153+
});
154+
155+
robot = new Robot();
156+
robot.setAutoDelay(300);
157+
robot.waitForIdle();
158+
159+
// Scenario 1: Trying to unset the alwaysOnTop (green window)
160+
// by setting the setVisible to true for behind (red) window
161+
System.out.println(" >> Testing Scenario 1 ...");
162+
SwingUtilities.invokeAndWait(()-> {
98163
point = win1.getLocationOnScreen();
99-
win2.setBounds(win1.getBounds());
100164
win2.setVisible(true);
101-
}
102-
});
165+
});
103166

104-
robot.delay(200);
105-
robot.waitForIdle();
167+
checkTopWindow(caseNo, 1, Color.GREEN);
106168

107-
Color color = robot.getPixelColor(point.x + 100, point.y + 100);
108-
if(!color.equals(Color.GREEN)) {
109-
win1.dispose();
110-
win2.dispose();
111-
throw new RuntimeException("alawaysOnTop window is sent back by " +
112-
"another child window setVisible(). " + color);
113-
}
169+
/*---------------------------------------------------------------*/
114170

115-
SwingUtilities.invokeAndWait(new Runnable() {
116-
@Override
117-
public void run() {
171+
// Scenario 2: Trying to unset the alwaysOnTop (green window)
172+
// by setting toFront() to true for behind (red) window
173+
System.out.println(" >> Testing Scenario 2 ...");
174+
SwingUtilities.invokeAndWait(()-> {
118175
win2.toFront();
119176
if (parent != null) {
120177
parent.setLocation(win1.getLocation());
121178
parent.toFront();
122179
}
123-
}
124-
});
180+
});
125181

126-
robot.delay(200);
127-
robot.waitForIdle();
182+
checkTopWindow(caseNo, 2, Color.GREEN);
128183

129-
color = robot.getPixelColor(point.x + 100, point.y + 100);
130-
if(!color.equals(Color.GREEN)) {
131-
win1.dispose();
132-
win2.dispose();
133-
throw new RuntimeException("alawaysOnTop window is sent back by " +
134-
"another child window toFront(). " + color);
135-
}
184+
/*----------------------------------------------------------------*/
136185

137-
SwingUtilities.invokeAndWait(new Runnable() {
138-
@Override
139-
public void run() {
140-
win1.setAlwaysOnTop(false);
141-
if (parent != null) {
142-
parent.setVisible(false);
143-
parent.setVisible(true);
186+
// Scenario 3: Trying to unset the alwaysOnTop (green window)
187+
// by setting alwaysOnTop to false. The unsetting should work
188+
// in this case and bring the red window to the top.
189+
System.out.println(" >> Testing Scenario 3 ...");
190+
SwingUtilities.invokeAndWait(new Runnable() {
191+
@Override
192+
public void run() {
193+
win1.setAlwaysOnTop(false);
194+
if (parent != null) {
195+
parent.setVisible(false);
196+
parent.setVisible(true);
197+
}
144198
}
145-
win2.toFront();
199+
});
200+
201+
robot.delay(300);
202+
robot.waitForIdle();
203+
204+
SwingUtilities.invokeAndWait(new Runnable() {
205+
@Override
206+
public void run() {
207+
win2.toFront();
208+
}
209+
});
210+
211+
checkTopWindow(caseNo, 3, Color.RED);
212+
213+
} finally {
214+
if (win1 != null) {
215+
SwingUtilities.invokeAndWait(()-> win1.dispose());
216+
}
217+
if (win2 != null) {
218+
SwingUtilities.invokeAndWait(()-> win2.dispose());
146219
}
147-
});
220+
}
221+
}
222+
// to check if the current top window background color
223+
// matches the expected color
224+
private static void checkTopWindow(int caseNo, int scenarioNo,
225+
Color expectedColor) {
148226

149-
robot.delay(200);
227+
robot.delay(500);
150228
robot.waitForIdle();
229+
Color actualColor = robot.getPixelColor(point.x + 100, point.y + 100);
151230

152-
color = robot.getPixelColor(point.x + 100, point.y + 100);
153-
if(!color.equals(Color.RED)) {
154-
throw new RuntimeException("Failed to unset alawaysOnTop " + color);
231+
saveScreenCapture(caseNo , scenarioNo);
232+
233+
if (!actualColor.equals(expectedColor)) {
234+
System.out.println(" >> Scenario "+ scenarioNo +" FAILED !!");
235+
errorLog.append("Case "+ caseNo + errorMsg[scenarioNo - 1]
236+
+" Expected Color: "+ expectedColor +" vs Actual Color: "
237+
+ actualColor +"\n");
238+
}
239+
else {
240+
System.out.println(" >> Scenario "+ scenarioNo +" Passed");
155241
}
242+
}
156243

157-
win1.dispose();
158-
win2.dispose();
244+
// For Debugging purpose - method used to save the screen capture as
245+
// BufferedImage in the event the test fails
246+
private static void saveScreenCapture(int caseNo, int scenarioNo) {
247+
String filename = "img_"+ caseNo +"_"+ scenarioNo;
248+
BufferedImage image = robot.createScreenCapture(
249+
new Rectangle(0, 0, 500, 500));
250+
try {
251+
ImageIO.write(image, "png", new File(filename));
252+
} catch (IOException e) {
253+
e.printStackTrace();
254+
}
159255
}
160-
}
256+
}

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