Jimmy,
Please add readFile.delete() and writeFile.delete() in the end of test
or .deleteOnExit() in any place. Files created by createTempFile are
not cleaned up automatically.
On 7/19/06, Jimmy, Jing Lv <[EMAIL PROTECTED]> wrote:
Hi:
I find a conflict that RI does not behave as spec says in
java.nio.channels.FileChannel.transforFrom(ReadableByteChannel src,
long position,long count).
The spec says:"...Fewer than the requested number of bytes will be
transferred if the source channel has fewer than count bytes
remaining..."[1]. As expected, invoking this method with a count larger
than the number of bytes remaining in the ReadableByteChannel, RI should
return a number of bytes exactly transfered. But in fact, RI throws an
IOException. I run the test[2] on windowsXP SP2 with RI1.5.0_01 and
RI1.5.0_06, and on Linux(redhat 9) with RI1.5.0_02 and RI1.5.0_06, and
get the same result.
Currently Harmony behave well on this. I guess this is a bug of RI,
and Harmony implementation is good. If no objection, I suggest add this
test to Harmony.
Any opinions? Thanks!
[1] spec of FileChannel:
http://java.sun.com/j2se/1.5.0/docs/api/java/nio/channels/FileChannel.html
[2] the test:
public void test_transferFromLReadableByteChannelJJ_overflow()
throws Exception {
String content = "test content";
int length = content.length();
File readFile = File.createTempFile("testfile1", "tmp");
File writeFile = File.createTempFile("testfile2", "tmp");
FileOutputStream fos = new FileOutputStream(readFile);
try {
fos.write(content.getBytes());
} finally {
fos.close();
}
FileChannel fc1 = new FileInputStream(readFile).getChannel();
FileChannel fc2 = new FileOutputStream(writeFile).getChannel();
try {
long result = fc2.transferFrom(fc1, 0, length * 2);
assertEquals(length, result);
} finally {
fc1.close();
fc2.close();
}
}
--
Best Regards!
Jimmy, Jing Lv
China Software Development Lab, IBM
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--
Regards,
Anton Luht,
Intel Middleware Products Division
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