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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
* 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).
*
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* 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 4165666 4203706 4288670 4290024
@summary Basic heartbeat test for File methods that access the filesystem
@build Basic Util
@run shell basic.sh
*/
import java.io.IOException;
import java.io.File;
import java.io.PrintStream;
import java.io.RandomAccessFile;
public class Basic {
static PrintStream out = System.err;
static File nonExistantFile = new File("x.Basic.non");
static File rwFile = new File("x.Basic.rw");
static File bigFile = new File("x.Basic.big");
static File roFile = new File("x.Basic.ro");
static File thisDir = new File(".");
static File dir = new File("x.Basic.dir");
static File nonDir = new File("x.Basic.nonDir");
static void showBoolean(String what, boolean value) {
out.println(" " + what + ": " + value);
}
static void showLong(String what, long value) {
out.println(" " + what + ": " + value);
}
static void show(File f) throws Exception {
out.println(f + ": ");
showBoolean("exists", f.exists());
showBoolean("isFile", f.isFile());
showBoolean("isDirectory", f.isDirectory());
showBoolean("canRead", f.canRead());
showBoolean("canWrite", f.canWrite());
showLong("lastModified", f.lastModified());
showLong("length", f.length());
}
static void testFile(File f, boolean writeable, long length)
throws Exception
{
if (!f.exists()) fail(f, "does not exist");
if (!f.isFile()) fail(f, "is not a file");
if (f.isDirectory()) fail(f, "is a directory");
if (!f.canRead()) fail(f, "is not readable");
if (!Util.isPrivileged() && f.canWrite() != writeable)
fail(f, writeable ? "is not writeable" : "is writeable");
int rwLen = 6;
if (f.length() != length) fail(f, "has wrong length");
}
static void fail(File f, String why) throws Exception {
throw new Exception(f + " " + why);
}
public static void main(String[] args) throws Exception {
show(nonExistantFile);
if (nonExistantFile.exists()) fail(nonExistantFile, "exists");
show(rwFile);
testFile(rwFile, true, 6);
rwFile.delete();
if (rwFile.exists())
fail(rwFile, "could not delete");
show(roFile);
testFile(roFile, false, 0);
show(thisDir);
if (!thisDir.exists()) fail(thisDir, "does not exist");
if (thisDir.isFile()) fail(thisDir, "is a file");
if (!thisDir.isDirectory()) fail(thisDir, "is not a directory");
if (!thisDir.canRead()) fail(thisDir, "is readable");
if (!thisDir.canWrite()) fail(thisDir, "is writeable");
String[] fs = thisDir.list();
if (fs == null) fail(thisDir, "list() returned null");
out.print(" [" + fs.length + "]");
for (int i = 0; i < fs.length; i++)
out.print(" " + fs[i]);
out.println();
if (fs.length == 0) fail(thisDir, "is empty");
if (!nonExistantFile.createNewFile())
fail(nonExistantFile, "could not create");
nonExistantFile.deleteOnExit();
if (!nonDir.mkdir())
fail(nonDir, "could not create");
if (!dir.renameTo(new File("x.Basic.dir2")))
fail(dir, "failed to rename");
if (System.getProperty("os.name").equals("SunOS")
&& System.getProperty("os.version").compareTo("5.6") >= 0) {
if (bigFile.exists()) {
bigFile.delete();
if (bigFile.exists())
fail(bigFile, "could not delete");
}
RandomAccessFile raf = new RandomAccessFile(bigFile, "rw");
long big = ((long)Integer.MAX_VALUE) * 2;
try {
raf.seek(big);
raf.write('x');
show(bigFile);
testFile(bigFile, true, big + 1);
} finally {
raf.close();
}
bigFile.delete();
if (bigFile.exists())
fail(bigFile, "could not delete");
} else {
System.err.println("NOTE: Large files not supported on this system");
}
}
}