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a5644954
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体验新版 GitCode,发现更多精彩内容 >>
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a5644954
编写于
10月 07, 2010
作者:
R
rupashka
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电子邮件补丁
差异文件
6979793: closed/javax/swing/JFileChooser/6396844/TwentyThousandTest fails due FileNotFound exc.
Reviewed-by: malenkov
上级
203ac497
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1
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1 changed file
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test/javax/swing/JFileChooser/6396844/TwentyThousandTest.java
.../javax/swing/JFileChooser/6396844/TwentyThousandTest.java
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test/javax/swing/JFileChooser/6396844/TwentyThousandTest.java
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a5644954
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6396844
* @summary Tests memory leak for 20000 files
* @author Sergey Malenkov
* @run main/othervm/timeout=1000 -mx256m TwentyThousandTest
*/
import
javax.swing.*
;
import
java.awt.event.ActionEvent
;
import
java.awt.event.ActionListener
;
import
java.io.File
;
import
java.io.FileWriter
;
public
class
TwentyThousandTest
implements
ActionListener
,
Runnable
{
private
static
final
int
FILES
=
20000
;
private
static
final
int
ATTEMPTS
=
100
;
private
static
final
int
INTERVAL
=
100
;
private
static
final
boolean
ALWAYS_NEW_INSTANCE
=
false
;
private
static
final
boolean
UPDATE_UI_EACH_INTERVAL
=
true
;
private
static
final
boolean
AUTO_CLOSE_DIALOG
=
true
;
private
static
JFileChooser
CHOOSER
;
private
static
String
tmpDir
;
public
static
void
main
(
String
[]
args
)
throws
Exception
{
tmpDir
=
System
.
getProperty
(
"java.io.tmpdir"
);
if
(
tmpDir
.
length
()
==
0
)
{
//'java.io.tmpdir' isn't guaranteed to be defined
tmpDir
=
System
.
getProperty
(
"user.home"
);
}
System
.
out
.
println
(
"Temp directory: "
+
tmpDir
);
System
.
out
.
println
(
"Creating "
+
FILES
+
" files"
);
for
(
int
i
=
0
;
i
<
FILES
;
i
++)
{
File
file
=
getTempFile
(
i
);
FileWriter
writer
=
new
FileWriter
(
file
);
writer
.
write
(
"File "
+
i
);
writer
.
close
();
}
for
(
UIManager
.
LookAndFeelInfo
laf
:
UIManager
.
getInstalledLookAndFeels
())
{
if
(
laf
.
getClassName
().
contains
(
"Motif"
))
{
continue
;
}
UIManager
.
setLookAndFeel
(
laf
.
getClassName
());
System
.
out
.
println
(
"Do "
+
ATTEMPTS
+
" attempts for "
+
laf
.
getClassName
());
for
(
int
i
=
0
;
i
<
ATTEMPTS
;
i
++
)
{
System
.
out
.
print
(
i
+
" "
);
doAttempt
();
}
System
.
out
.
println
();
CHOOSER
=
null
;
}
System
.
out
.
println
(
"Removing "
+
FILES
+
" files"
);
for
(
int
i
=
0
;
i
<
FILES
;
i
++)
{
getTempFile
(
i
).
delete
();
}
System
.
out
.
println
(
"Test passed successfully"
);
}
private
static
File
getTempFile
(
int
i
)
{
return
new
File
(
tmpDir
,
"temp"
+
i
+
".txt"
);
}
private
static
void
doAttempt
()
throws
Exception
{
SwingUtilities
.
invokeAndWait
(
new
Runnable
()
{
public
void
run
()
{
if
(
ALWAYS_NEW_INSTANCE
||
(
CHOOSER
==
null
)
)
CHOOSER
=
new
JFileChooser
(
tmpDir
);
if
(
UPDATE_UI_EACH_INTERVAL
)
CHOOSER
.
updateUI
();
if
(
AUTO_CLOSE_DIALOG
)
{
Thread
t
=
new
Thread
(
new
TwentyThousandTest
(
CHOOSER
)
);
t
.
start
();
CHOOSER
.
showOpenDialog
(
null
);
}
else
{
CHOOSER
.
showOpenDialog
(
null
);
}
}
});
// Allow to collect garbage by GC
Thread
.
sleep
(
1000
);
System
.
gc
();
}
private
final
JFileChooser
chooser
;
TwentyThousandTest
(
JFileChooser
chooser
)
{
this
.
chooser
=
chooser
;
}
public
void
run
()
{
while
(
!
this
.
chooser
.
isShowing
()
)
{
try
{
Thread
.
sleep
(
30
);
}
catch
(
InterruptedException
exception
)
{
exception
.
printStackTrace
();
}
}
Timer
timer
=
new
Timer
(
INTERVAL
,
this
);
timer
.
setRepeats
(
false
);
timer
.
start
();
}
public
void
actionPerformed
(
ActionEvent
event
)
{
this
.
chooser
.
cancelSelection
();
}
}
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