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* Copyright ( c ) 2006 , 2018 , 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 .
*
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*/
/* @test
@ bug 6192331 6348207 8202076
@ summary Check if File . exists ( ) / length ( ) works correctly on Windows
special files hiberfil . sys and pagefile . sys
*/
import java.io.File;
public class WinSpecialFiles {
public static void main(String[] args) throws Exception {
String osName = System.getProperty("os.name" );
if (!osName.startsWith("Windows" )) {
return ;
}
File root = new File("C:\\" );
File[] dir = root.listFiles();
for (int i = 0 ; i < dir.length; i++) {
if (!dir[i].exists()) {
throw new Exception("exists() returns false for <"
+ dir[i].getPath() + ">" );
}
String name = dir[i].getPath().toLowerCase();
if (name.indexOf("pagefile.sys" ) != -1 ||
name.indexOf("hiberfil.sys" ) != -1 ) {
if (dir[i].length() == 0 ) {
throw new Exception("Size of existing file \" "
+ dir[i].getPath()
+ "\" is ZERO");
}
}
}
}
}
Messung V0.5 in Prozent C=97 H=79 G=88
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet am 2026-09-29)
¤
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